Tech Tips
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptom are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Entire combination meter assembly does not operate | Power source circuit | |
| Speedometer malfunction | Speedometer circuit | |
| Tachometer malfunction | Tachometer circuit | |
| Fuel receiver gauge display malfunction (Fuel receiver gauge is currently malfunctioning, or was malfunctioning in the past) | Fuel receiver gauge display circuit | |
| Engine coolant temperature receiver gauge malfunction | Engine coolant temperature receiver gauge circuit | |
| Hybrid system indicator malfunction | Hybrid system indicator circuit |
| Symptom | Suspected Area | Link |
|---|---|---|
| Master warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Master Warning) | ||
| Combination meter assembly | ||
| Door open warning light malfunction (Each door courtesy switch are normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Doors All Open) | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Brake warning light / red (malfunction) malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Brake) | ||
| Brake warning light / red (malfunction) circuit (Brake warning light remains ON) | ||
| Brake warning light / red (malfunction) circuit (Brake warning light does not come ON) | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| Driver or front passenger seat belt warning light malfunction | Combination meter assembly (LED): Perform Active Test (Driver Side Seat Belt) | |
| Driver side seat belt warning light circuit (Driver side seat belt warning light does not operate) | ||
| Front passenger side seat belt warning light circuit (Front passenger side seat belt warning light malfunction) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| SRS warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Airbag) | ||
| SRS warning light circuit (SRS warning light remains ON) | ||
| SRS warning light circuit (SRS warning light does not come ON) | ||
| Combination meter assembly | ||
| Airbag ECU assembly | ||
| Charge warning light malfunction*1 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Charge) | ||
| Hybrid control system | ||
| Charging system | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| EPS warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. EPS) | ||
| EPS warning light circuit | ||
| Combination meter assembly | ||
| Power steering ECU assembly (for LHD) | ||
| Power steering ECU assembly (for RHD) | ||
| MIL (Check engine warning light) malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Check Engine Indicator) | ||
| MIL circuit | ||
| Combination meter assembly | ||
| ECM | ||
| PCS warning light malfunction*2 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Precrash) | ||
| Pre-collision system | ||
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| Slip indicator light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Slip) | ||
| Slip indicator light circuit (Slip indicator light remains ON) | ||
| Slip indicator light circuit (Slip indicator light does not come ON) | ||
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| VSC OFF indicator light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. VSC OFF) | ||
| VSC OFF switch circuit | ||
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| ABS warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp ABS) | ||
| ABS warning light circuit (ABS warning light remains ON) | ||
| ABS warning light circuit (ABS warning light does not come ON) | ||
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| Brake warning light / yellow (minor malfunction) malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp ECB) | ||
| Brake warning light / yellow (minor malfunction) circuit (Brake control warning light remains ON) | ||
| Brake warning light / yellow (minor malfunction) circuit (Brake control warning light does not come ON) | ||
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| Tire pressure warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Tire Pressure Warning System) | ||
| Tire pressure warning light circuit | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Fuel level warning light malfunction (Fuel receiver gauge is normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Fuel) | |
| Combination meter assembly | ||
| Rear fog indicator light malfunction (Rear fog light is normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Rr FOG) | |
| Lighting system (for Single Beam Headlight) | ||
| Lighting system (for Triple Beam Headlight) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Automatic high beam indicator light malfunction*2 | Combination meter assembly (LED): Perform Active Test (Automatic High Beam Indicator) | |
| Automatic high beam indicator light circuit (Automatic high beam system does not operate or operation indicator does not illuminate) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| High beam indicator light malfunction (High beam headlight is normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Beam) | |
| Lighting system (for Single Beam Headlight) | ||
| Lighting system (for Triple Beam Headlight) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Ready indicator light malfunction | Combination meter assembly (LED): Perform Active Test (Indicat. Ready (HV)) | |
| Hybrid control system | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Tail indicator light malfunction (Taillight is normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Tail) | |
| Lighting system (for Single Beam Headlight) | ||
| Lighting system (for Triple Beam Headlight) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Front fog indicator light malfunction (Front fog light is normal)*3 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Fr FOG) | |
| Lighting system (for Single Beam Headlight) | ||
| Lighting system (for Triple Beam Headlight) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Turn indicator light malfunction (Turn signal light is normal) | Combination meter assembly (LED): Perform Active Test (Turn Signal (Left) Indicator or Turn Signal (Right) Indicator) | |
| Combination meter assembly | ||
| EV indicator light malfunction | Check customize in setting tab | - |
| Combination meter assembly (LED): Perform Active Test (EV Mode Indicator) | ||
| Hybrid control system | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Clearance sonar indicator light malfunction*4 | Combination meter assembly (LED): Perform Active Test (Indicat. Clearance Sonar LCD) | |
| LEXUS parking assist-sensor system | ||
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| Parking brake indicator light malfunction (Parking brake is normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Park) | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Rear seat belt warning light malfunction*5 | Combination meter assembly (LED): Perform Active Test (Rear Seat Belt) (for Optitron Meter Type) | |
| Rear seat belt warning light circuit (Rear seat belt warning light malfunction) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) |
*1: for TFT Meter Type
*2: w/ Forward Recognition Camera
*3: w/ Front Fog Light
*4: w/ LEXUS Parking Assist-sensor System
*5: w/ Rear Seat Belt Warning
| Symptom | Suspected Area | Link |
|---|---|---|
| "Opening" display malfunction | Combination meter assembly | |
| "Ending" display malfunction*11 | Combination meter assembly | |
| "Odometer" display malfunction | Check customize parameters (ODO Display Time After IG OFF Setting) | |
| Combination meter assembly | ||
| "TRIP A / TRIP B" display malfunction | Combination meter assembly | |
| "Engine oil maintenance mileage" display malfunction*9 | Oil maintenance required reminder reset procedure | |
| SFI system | ||
| Combination meter assembly | ||
| ECM | ||
| "Vehicle speed warning notification" display malfunction (Speedometer is normal)*13 | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Current fuel consumption (Bar type)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Average fuel consumption (After reset)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Average fuel consumption (After start)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Average fuel consumption (After refuel)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Average speed (After reset)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Average speed (After start)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Elapsed time (After reset)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Elapsed time (After start)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Distance (Range)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Distance (After start)" display malfunction (Other meter functions are normal) | Check customize in setting tab | - |
| Combination meter assembly | ||
| "Other (Blank)" display malfunction | Combination meter assembly | |
| "G monitor" display malfunction (Speedometer and tachometer are normal)*11 | Electronically controlled brake system | |
| Combination meter assembly | ||
| Yaw rete sensor | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| "Tire pressure" display malfunction | Tire pressure warning system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Energy flow" display malfunction (Speedometer is normal) | Hybrid control system | |
| Hybrid battery system | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Sway warning" display malfunction*1 | Check customize in setting tab | - |
| Lane departure alert system (w/ Steering Control) | ||
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Drive information tab" display malfunction | Combination meter assembly | |
| "Navigation tab" display malfunction*14 | Navigation system (w/ Navigation System) | |
| Audio and visual system (w/ Audio and Visual System (for 10.3 Inch Display)) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Audio tab" display malfunction | Navigation system (w/ Navigation System) | |
| Audio and visual system (w/ Audio and Visual System (for 10.3 Inch Display)) | ||
| Audio and visual system (w/ Audio and Visual System (for 7 Inch Display)) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Driving assist system information tab" display malfunction*1 | Forward recognition camera system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| Forward recognition camera | ||
| "Message tab" display malfunction | Combination meter assembly | |
| "Setting tab" display malfunction | Combination meter assembly | |
| "Shift indicator" display malfunction | Combination meter assembly (LED): Perform Active Test (A/T Indicator Operation 1, A/T Indicator Operation 2 or A/T Indicator Operation 3) | |
| Hybrid control system | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "SPORT indicator" display malfunction (Power switch is normal)*15 | SPORT MODE switch circuit | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "SPORT S indicator" display malfunction (Power switch is normal)*16 | SPORT MODE switch circuit | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "SPORT S+ indicator" display malfunction (Power switch is normal)*16 | SPORT MODE switch circuit | |
| Adaptive variable suspension system | ||
| Combination meter assembly | ||
| Absorber control ECU | ||
| Hybrid vehicle control ECU assembly | ||
| "CUSTOM indicator" display malfunction (Power switch is normal)*16 | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "ECO*12/ECO MODE*11 indicator" display malfunction (Power switch is normal) | ECO MODE switch circuit | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV MODE indicator light" display malfunction | EV MODE switch circuit | Click here |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "SNOW indicator" display malfunction | SNOW switch circuit | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Cruise SET indicator light" display malfunction | Cruise SET indicator light circuit (w/o Forward Recognition Camera) | |
| Cruise SET indicator light circuit (w/ Forward Recognition Camera) | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly (w/o Forward Recognition Camera) | ||
| Driving support ECU assembly (w/ Forward Recognition Camera) | ||
| "Cruise control indicator light" display malfunction*5 | Cruise control indicator light circuit | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Cruise control indicator light (Constant speed control mode)" display malfunction*1 | Cruise control indicator light (Constant speed control mode) circuit | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Cruise control indicator light (Vehicle-to-vehicle distance control mode)" display malfunction*1 | Cruise control indicator light (Vehicle-to-vehicle distance control mode) circuit | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Lane departure alert indicator light (White/Green/Amber)" display malfunction*1 | Lane departure alert indicator light circuit | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Outside temperature" display malfunction | Air conditioning system | |
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| "Icy street warning" display malfunction | Air conditioning system | |
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| "Phone (Received call)" display malfunction | Navigation system (w/ Navigation System) | |
| Audio and visual system (w/ Audio and Visual System (for 10.3 Inch Display)) | ||
| Audio and visual system (w/ Audio and Visual System (for 7 Inch Display)) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Navigation system linked display" malfunction*14 | Navigation system (w/ Navigation System) | |
| Audio and visual system (w/ Audio and Visual System (for 10.3 Inch Display)) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Audio system linked display" malfunction | Navigation system (w/ Navigation System) | |
| Audio and visual system (w/ Audio and Visual System (for 10.3 Inch Display)) | ||
| Audio and visual system (w/ Audio and Visual System (for 7 Inch Display)) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Phone book" display malfunction | Navigation system (w/ Navigation System) | |
| Audio and visual system (w/ Audio and Visual System (for 10.3 Inch Display)) | ||
| Audio and visual system (w/ Audio and Visual System (for 7 Inch Display)) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Voice recognition" display malfunction | Navigation system (w/ Navigation System) | |
| Audio and visual system (w/ Audio and Visual System (for 10.3 Inch Display)) | ||
| Audio and visual system (w/ Audio and Visual System (for 7 Inch Display)) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Dynamic radar cruise control system information (image display)" display malfunction*1 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Lane departure alert system information (image display)" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Traffic sign" display malfunction*17 | Check customize in setting tab | - |
| Road sign assist system | ||
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Vehicle speed indicator" display malfunction (Speedometer is normal)*8, *11 | Check customize in setting tab | - |
| Combination meter assembly | ||
| "REV indicator" display malfunction (Tachometer is normal)*11 | Check customize in setting tab | - |
| Combination meter assembly | ||
| "REV peak" display malfunction (Tachometer is normal)*11 | Check customize in setting tab | - |
| Combination meter assembly | ||
| "ACCESSORY" display malfunction | Entry and start system (for Start Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "IGNITION ON" display malfunction | Entry and start system (for Start Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "2WD MAINTENANCE MODE" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "2WD CERTIFICATION MODE" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "ADJUSTING FORWARD CAMERA" display malfunction*1 | Combination meter assembly | |
| Forward recognition camera | ||
| "ADJUSTING FRONT RADAR BEAM" display malfunction*1 | Combination meter assembly | |
| Driving support ECU assembly | ||
| "ERROR ADJUSTING FRONT RADAR BEAM" display malfunction*1 | Combination meter assembly | |
| Driving support ECU assembly | ||
| "ADJUSTING FRONT RADAR BEAM VERTICAL" display malfunction*1 | Combination meter assembly | |
| Driving support ECU assembly | ||
| "ADJUSTING FRONT RADAR BEAM HORIZONTAL" display malfunction*1 | Combination meter assembly | |
| Driving support ECU assembly | ||
| "CHECKING PCS BRAKE" display malfunction*1 | Combination meter assembly | |
| Driving support ECU assembly | ||
| "Headlight System Uninitialized Visit Your Dealer" display malfunction*2 | Lighting system | |
| Combination meter assembly | ||
| Headlight ECU sub-assembly LH | ||
| "BRAKE!" display malfunction*1 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Push and Hold Power Switch for Emergency Stop" display malfunction | Entry and start system (for Entry Function) | |
| Entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Shift to N and Press Power Switch to Restart" display malfunction | Entry and start system (for Entry Function) | |
| Entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Hybrid System Stopped Shift to P" display malfunction (Other meter functions are normal) | Combination meter assembly | Click here |
| "Hybrid System Stopped Stop in a Safe Place" display malfunction (Other meter functions are normal) | Combination meter assembly | |
| "Dynamic radar cruise control system warning (image display)" display malfunction*1 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Braking Power Low Stop in a Safe Place See Owner's Manual" display malfunction (Brake warning light / red (malfunction) is normal) | Combination meter assembly | |
| "Accelerator Stuck Depress Brake to Stop" display malfunction | Brake override system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Shift to P Before Exiting Vehicle" display malfunction | Hybrid control system | |
| Entry and start system (for Entry Function) | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Hybrid System Malfunction Do Not Be Towed" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Each door ajar" display malfunction (Hood courtesy switch, door open warning light and speedometer are normal) | Combination meter assembly | |
| Main body ECU (Multiplex network body ECU) | ||
| "Clearance sonar detection (image display)" display malfunction*3 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| "Parking Assist Malfunction" display malfunction*3, *11 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| "Parking Assist Malfunction Visit Your Dealer" display malfunction*3, *12 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| "Clean Parking Assist Sensor" display malfunction*3 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| "Mute Temporarily" display malfunction*3 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| "Muted Temporarily" display malfunction*3 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| "Power Turned Off to Save Battery" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Shift Is in N Release Accelerator Before Shifting" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Depress Brake when Vehicle Is Stopped Hybrid System May Overheat" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Traction Battery Needs to be Protected Shift into P to Restart" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Hybrid System Malfunction Stop in a Safe Place See Owner's Manual" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Traction Battery Needs to be Protected Refrain From the Use of N Position" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Power Steering Malfunction Steering Power Low Visit Your Dealer" display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly (for LHD) | ||
| Power steering ECU assembly (for RHD) | ||
| "Steering Power Low Visit Your Dealer" display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly (for LHD) | ||
| Power steering ECU assembly (for RHD) | ||
| "Power Steering Malfunction Visit Your Dealer" display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly (for LHD) | ||
| Power steering ECU assembly (for RHD) | ||
| "Release Parking Brake" display malfunction (Parking brake indicator light and speedometer are normal) | Combination meter assembly | |
| Main body ECU (Multiplex network body ECU) | ||
| "Key Not Detected Check Key Location" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Release Accelerator" display malfunction | Drive start control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Lane Departure Alert Driver Attention Required" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LDA Hold Steering Wheel" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LDA Steering Assist Unavailable Hold Steering Wheel" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Check Engine Visit Your Dealer" display malfunction (MIL (Check engine warning light) is normal) | Combination meter assembly | |
| "SRS Airbag System Malfunction Visit Your Dealer" display malfunction (SRS warning light is normal) | Combination meter assembly | |
| "Antilock Brake System Malfunction Visit Your Dealer" display malfunction (ABS warning light is normal) | Combination meter assembly | |
| "Engine Coolant Temp High Stop in a Safe Place See Owner's Manual" display malfunction (Engine coolant temperature receiver gauge is normal) | Combination meter assembly | |
| "Charging System Malfunction See Owner's Manual" display malfunction | Hybrid control system | |
| Charging system | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Radar Cruise Control Unavailable Clean Sensor" display malfunction*1 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Radar Cruise Control Unavailable" display malfunction*1 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Smart Entry & Start System Malfunction See Owner's Manual" display malfunction | Entry and start system (for Entry Function) | |
| Entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Blind Spot Monitor Unavailable" display malfunction*4 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Cruise Control Malfunction Visit Your Dealer" display malfunction | Cruise control system (w/o Forward Recognition Camera) | |
| Dynamic radar cruise control system (w/ Forward Recognition Camera) | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly (w/o Forward Recognition Camera) | ||
| Driving support ECU assembly (w/ Forward Recognition Camera) | ||
| "Lane Departure Alert Malfunction Visit Your Dealer" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Front Camera Unavailable" display malfunction*1 | Pre-collision system | |
| Forward recognition camera system | ||
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Lane Departure Alert Unavailable" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Turned On Steering Assist Active" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Turned On Steering Assist Inactive" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Front Camera Vision Blocked Clean and Demist Windshield" display malfunction*1 | Pre-collision system | |
| Forward recognition camera system | ||
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Pre-Collision System Malfunction Visit Your Dealer" display malfunction*1 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Blind Spot Monitor System Malfunction Visit Your Dealer" display malfunction*4 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Oil Pressure Low Stop in a Safe Place See Owner's Manual" display malfunction (Tachometer is normal) | Combination meter assembly: Read the Data List (Oil Pressure Switch) | |
| Hybrid control system | ||
| Engine oil pressure switch assembly | ||
| Wire harness or connector (Combination meter assembly - Engine oil pressure switch assembly) | - | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Braking Power Low Visit Your Dealer" display malfunction (Brake warning light / yellow (minor malfunction) is normal) | Combination meter assembly | |
| "POP UP HOOD Activated" display malfunction | Airbag system | |
| Combination meter assembly | ||
| Airbag ECU assembly | ||
| "POP UP HOOD Failure" display malfunction | Airbag system | |
| Combination meter assembly | ||
| Airbag ECU assembly | ||
| "Lane Departure Alert Unavailable Below Approx 50 km/h" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Unavailable Below Approx 32 MPH" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Unavailable at Current Speed" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Dynamic radar cruise control system information (image display)" display malfunction*1 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Hybrid System Stopped Steering Power Low" display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly (for LHD) | ||
| Power steering ECU assembly (for RHD) | ||
| "Turn Off Vehicle" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Would You Like to Take a Break?" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Please Take a Break" display malfunction*1 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Key Left inside Vehicle" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Turn Lights Off" display malfunction (Front door courtesy switch is normal)*6 | Lighting system (for Single Beam Headlight) | |
| Lighting system (for Triple Beam Headlight) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Moon Roof Open" display malfunction*7 | Sliding roof system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Window Open" display malfunction | Power window control system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Window / Moon Roof Open" display malfunction*7 | Sliding roof system | |
| Power window control system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Depress Brake and Then Touch Key to Power Switch" display malfunction | Entry and start system (for Entry Function) | |
| Entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Depress Brake and Power to Start" display malfunction | Entry and start system (for Entry Function) | |
| Entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Steering Wheel Lock Press Power Switch while Turning Wheel" display malfunction | Steering lock system | |
| Entry and start system (for Entry Function) | ||
| Entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "To Start Vehicle, Put Shift Lever into P" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Drive-Start Control Malfunction Visit Your Dealer" display malfunction | Drive start control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Brake Override Malfunction Visit Your Dealer" display malfunction | Brake override system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Key Battery Low" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Engine Oil Level Low Add or Replace" display malfunction (Tachometer and Engine coolant temperature receiver gauge are normal) | Combination meter assembly: Read the Data List (Oil Level SW) | |
| Engine oil level sensor | ||
| Wire harness or connector (Combination meter assembly - Engine oil level sensor) | - | |
| Combination meter assembly | ||
| "Hybrid System Overheated Reduced Output Power" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Headlight System Malfunction Visit Your Dealer" display malfunction | Lighting system (for Single Beam Headlight) | |
| Lighting system (for Triple Beam Headlight) | ||
| Automatic headlight beam level control system (for Single Beam Headlight) | ||
| Automatic headlight beam level control system (for Triple Beam Headlight) | ||
| Automatic high beam system (w/ Forward Recognition Camera) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) (except Triple Beam without Forward Recognition Camera) | ||
| Headlight leveling ECU assembly (for Single Beam Headlight) | ||
| Headlight ECU sub-assembly LH (for Triple Beam Headlight) | ||
| "RSA Malfunction Visit Your Dealer" display malfunction*17 | Road sign assist system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Accelerator and Brake Pedals Depressed Simultaneously" display malfunction | Brake override system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Tire pressure indicator (image display)" display malfunction | Tire pressure warning system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Maintenance Required for Hybrid Battery Cooling Parts at Your Dealer" display malfunction | Hybrid battery system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Aux Battery Low See Owner's Manual" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Windshield Washer Fluid Low" display malfunction | Combination meter assembly: Read the Data List (Washer Switch) | |
| Level warning switch assembly | ||
| Wire harness or connector (Combination meter assembly - Level warning switch assembly) | - | |
| Combination meter assembly | ||
| "Fuel Low" display malfunction (Fuel receiver gauge is normal) | Combination meter assembly | |
| "Roads May Be Icy Drive with Care" display malfunction | Air conditioning system | |
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| "Traction Control Turned Off" display malfunction | VSC OFF switch circuit | |
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| "Oil Maintenance Required Soon" display malfunction*9, *11 | Oil maintenance required reminder reset procedure | |
| SFI system | ||
| Combination meter assembly | ||
| ECM | ||
| "Oil Maintenance Required Visit Your Dealer" display malfunction*9, *11 | Oil maintenance required reminder reset procedure | |
| SFI system | ||
| Combination meter assembly | ||
| ECM | ||
| "Oil Maintenance Required" display malfunction*9, *12 | Oil maintenance required reminder reset procedure | |
| SFI system | ||
| Combination meter assembly | ||
| ECM | ||
| "To Activate Auto High Beam, Switch Headlights to High Beam" display malfunction*1 | Automatic high beam system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Depress Brake and Power to Start" display malfunction | Entry and start system (for Entry Function) | |
| Entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "VSC Turned Off Pre-Collision Brake System Unavailable" display malfunction (VSC OFF indicator light is normal)*1 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Pre-Collision System Unavailable" display malfunction*1 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "High Power Consumption Partial Limit On AC/Heater Operation" display malfunction | Air conditioning system | |
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| "Pre-Collision System Unavailable Clean Sensor" display malfunction*1 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Pre-Collision System Off" display malfunction*1 | Pre-collision system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "EV Mode Unavailable" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV Mode Unavailable System Warming Up" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV Mode Unavailable Hybrid Battery Low" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV Mode Unavailable Speed Range Exceeded" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV Mode Unavailable Reduce Acceleration to Activate" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV Mode Deactivated" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV Mode Deactivated Hybrid Battery Low" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV Mode Deactivated Speed Range Exceeded" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV Mode Deactivated Accelerator Depressed Too Far" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Theft Sensor Turned Off" display malfunction*10 | Theft deterrent system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Theft Sensor Turned On" display malfunction*10 | Theft deterrent system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) |
*1: w/ Forward Recognition Camera
*2: for Triple Beam Headlight
*3: w/ LEXUS Parking Assist-sensor System
*4: w/ Blind Spot Monitor System
*5: w/o Forward Recognition Camera
*6: w/ Light Reminder Warning
*7: w/ Sliding Roof System
*8: for Fuel Receiver Gauge Scale E to F Type
*9: w/ Oil Maintenance Required Reminder
*10: w/ Theft Deterrent System
*11: for TFT Meter Type
*12: for Optitron Meter Type
*13: for Fuel Receiver Gauge Scale R to 1/1 Type
*14: w/ Navigation System or Audio and Visual System (for 10.3 Inch Display)
*15: w/o Adaptive Variable Suspension System
*16: w/ Adaptive Variable Suspension System
*17: w/ Road Sign Assist System
| Symptom | Suspected Area | Link |
|---|---|---|
| All buzzers do not operate normally | Combination meter assembly | |
| Ready buzzer malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Restart while driving notification buzzer malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| Power switch operation while driving warning buzzer malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| Seat belt warning (for Driver side) buzzer malfunction (Driver or front passenger seat belt warning light operation is normal) | Check customize parameters (Driver Side Seatbelt Warning Buzzer) | |
| Combination meter assembly | ||
| Seat belt warning (for Front passenger side) buzzer malfunction (Driver or front passenger seat belt warning light operation is normal) | Check customize parameters (Front Passenger Side Seatbelt Warning Buzzer) | |
| Combination meter assembly | ||
| Seat belt warning (for Rear seat) buzzer malfunction (Rear seat belt warning light operation is normal)*1 | Check customize parameters (Rear Seatbelt Warning Buzzer) | |
| Combination meter assembly | ||
| Vehicle roll-away notification buzzer malfunction (Other meter functions are normal) | Combination meter assembly | |
| Engine oil pressure warning buzzer malfunction (Tachometer is normal) | Hybrid control system | |
| Engine oil pressure switch assembly | ||
| Wire harness or connector (Combination meter assembly-Engine oil pressure switch assembly) | - | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| EPS warning buzzer malfunction (EPS warning light is normal) | Combination meter assembly | |
| Engine coolant temperature warning buzzer malfunction (Engine coolant temperature receiver gauge is normal) | Combination meter assembly | |
| Smart key warning buzzer malfunction | Entry and start system (for Entry Function) | |
| Entry and start system (for Start Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| Multi-information display warning buzzer malfunction (Master warning light is normal) | Combination meter assembly | |
| Depress the accelerator pedal with shift position N buzzer malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Accelerator hold warning buzzer malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Hybrid control system warning buzzer malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Tow prohibition buzzer malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Hybrid battery low voltage buzzer malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Hybrid unit excessive heat notification buzzer malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Radar cruise control low speed cancel buzzer malfunction*2 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| Immobiliser key identification completion buzzer malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| Driving with parking brake unreleased warning buzzer malfunction (Speedometer and parking brake indicator light are normal) | Combination meter assembly | |
| Driving with door open warning buzzer malfunction (Hood courtesy switch, door open warning light and speedometer are normal) | Combination meter assembly | |
| Sports shift reject buzzer malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| EV reject buzzer malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Light reminder buzzer malfunction (Front door courtesy switch is normal)*3 | Lighting system (for Single Beam Headlight) | |
| Lighting system (for Triple Beam Headlight) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Turn signal flasher buzzer malfunction (Turn indicator light is normal) | Check customize parameters (Flasher Sound Volume Adjustment) | |
| Combination meter assembly | ||
| Vehicle speed warning notification buzzer malfunction (Speedometer is normal)*4 | Check customize in setting tab | - |
| Combination meter assembly | ||
| Lane departure alert cancel buzzer malfunction*2 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Lane departure alert hands-free caution buzzer malfunction*2 | Lane departure alert system (w/ Steering Control) | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Unsteady driving alert buzzer malfunction*2 | Check customize in setting tab | - |
| Lane departure alert system (w/ Steering Control) | ||
| Combination meter assembly | ||
| Forward recognition camera | ||
| Road sign assist buzzer malfunction*5 | Check customize in setting tab | - |
| Road sign assist system | ||
| Combination meter assembly | ||
| Forward recognition camera |
*1: w/ Rear Seat Belt Warning
*2: w/ Forward Recognition Camera
*3: w/ Light Reminder Warning
*4: for Fuel Receiver Gauge Scale R to 1/1 Type
*5: w/ Road Sign Assist System
| Symptom | Suspected Area | Link |
|---|---|---|
| Operating steering pad switch does not change multi-information display | Combination meter assembly: Read the Data List (Multi Switch (UP), Multi Switch (Down), Multi Switch (Menu), Multi Switch (ENTER), Multi Switch (Right), Multi Switch (Left) or Multi Switch (Back)) | |
| Steering pad switch assembly (w/ Forward Recognition Camera) | ||
| Steering pad switch assembly (w/o Forward Recognition Camera) | ||
| Spiral cable sub-assembly | ||
| Wire harness or connector (Combination meter assembly - Spiral cable sub-assembly) | - | |
| Combination Meter Assembly | ||
| Operating steering pad switch does not change odometer and TRIP A/TRIP B display | ODO/TRIP switch circuit | |
| Operating light control rheostat switch does not change light brightness | Light control rheostat switch circuit | |
| Meter illumination is always dark | Illumination circuit (Meter illumination is always dark) | |
| Meter illumination does not dim at night | Illumination circuit (Meter illumination does not dim at night) | |
| Meter illumination does not dim with tail switch on (Meter illumination not set to maximum brightness) | Combination Meter Assembly | |
| Display area of multi-information display does not change when movable meter ring is operated or movable meter ring does not operate (steering pad switch assembly is normal)* | Combination Meter Assembly | |
| Gauge selection function (Tachometer/Hybrid system indicator) malfunction | Check customize in setting tab | - |
| Hybrid control system | ||
| Combination Meter Assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Other systems that use the speed signal do not operate normally | Speed signal circuit |
*: TFT Meter Type