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 operation is 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 circuit (Brake warning light remains ON) | ||
| Brake warning light / red circuit (Brake warning light does not come ON) | ||
| Main body ECU (Multiplex network body ECU) | ||
| 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 | ||
| Front passenger side seat belt warning light circuit | ||
| 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 sensor assembly | ||
| Charge warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Charge) | ||
| Charging system | ||
| Combination meter assembly | ||
| ECM | ||
| 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 (w/ EGR System) | ||
| MIL circuit (w/o EGR System) | ||
| Combination meter assembly | ||
| ECM | ||
| PCS warning light malfunction*5 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Precrash) | ||
| Pre-crash safety 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 indicator light circuit (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 circuit (Brake control warning light remains ON) | ||
| Brake warning light / yellow 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*11 | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Tire Pressure Warning System) | ||
| Tire pressure warning system | ||
| 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)*10 | Combination meter assembly (LED): Perform Active Test (Indicat. Rr FOG) | |
| Lighting system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Headlight leveling warning light malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Headlamp Auto Leveling) | ||
| Automatic headlight beam level control system | ||
| Combination meter assembly | ||
| Headlight leveling ECU assembly | ||
| Automatic high beam indicator light malfunction*7 | Combination meter assembly (LED): Perform Active Test (Automatic High Beam Indicator) | |
| Automatic high beam system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Lane departure alert indicator light malfunction*2, *6 | Combination meter assembly (LED): Perform Active Test (LDA Control Indicator) | |
| Indicator circuit | ||
| Combination meter assembly | ||
| Lane departure warning camera | ||
| Cruise main indicator light malfunction*2, *3 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Cruise) | |
| Cruise main indicator light circuit | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Cruise main indicator light malfunction*2, *4 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Cruise) | |
| Cruise main indicator light circuit | ||
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| Radar cruise main indicator light malfunction*2, *4 | Combination meter assembly (LED): Perform Active Test (Indicat. Radar Cruise) | |
| Cruise main indicator light circuit | ||
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| High beam indicator light malfunction (High beam headlight is normal) | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Beam) | |
| 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) | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Front fog indicator light malfunction (Front fog light is normal)*9 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Fr FOG) | |
| 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, Turn Signal (Right) Indicator) | |
| Combination meter assembly | ||
| EV indicator light malfunction | Check customize parameters (EV indicator light (Symbol)) | |
| Combination meter assembly (LED): Perform Active Test (EV Mode Indicator) | ||
| Hybrid control system | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Cruise SET indicator light malfunction*2, *3 | Combination meter assembly (LED): Perform Active Test (Indicat. SET) | |
| Cruise SET indicator light circuit | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| Cruise SET indicator light malfunction*2, *4 | Combination meter assembly (LED): Perform Active Test (Indicat. SET) | |
| Cruise SET indicator light circuit | ||
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| Clearance sonar indicator malfunction*8 | 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) | ||
| Rear seat belt warning light malfunction*1 | Rear seat belt warning light circuit | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) |
*1: w/ Rear Seat Belt Warning
*2: for F SPORT Models
*3: w/ Cruise Control System
*4: w/ Dynamic Radar Cruise Control System
*5: w/ Pre-crash Safety System
*6: w/ Lane Departure Alert System
*7: w/ Automatic High Beam System
*8: w/ LEXUS Parking Assist-sensor System
*9: w/ Front Fog Light
*10: w/ Rear Fog Light
*11: w/ Tire Pressure Warning System
| Symptom | Suspected Area | Link |
|---|---|---|
| "Opening" display malfunction | Combination meter assembly | |
| "Ending" display malfunction | Check customize parameters (ODO Display Time After IG OFF Setting) | |
| Combination meter assembly | ||
| "ODO meter" display malfunction | Combination meter assembly | |
| "TRIP meter" display malfunction | Combination meter assembly | |
| "Engine oil maintenance mileage" display malfunction*11 | Oil maintenance required reminder reset procedure | |
| SFI system (w/ EGR System) | ||
| SFI system (w/o EGR System) | ||
| Combination meter assembly | ||
| ECM | ||
| "Current fuel consumption (Bar type)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Average fuel consumption (After reset)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Average fuel consumption (After start)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Average fuel consumption (After refuel)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Average speed (After reset)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Average speed (After start)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Elapsed time (After reset)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Elapsed time (After start)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Distance (Range)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Distance (After start)" display malfunction (Other meter functions are normal) | Check customize parameters (Drive info 1, Drive info 2) | |
| Combination meter assembly | ||
| "Other (Blank)" display malfunction | Combination meter assembly | |
| "Drive information tab" display malfunction | Combination meter assembly | |
| "Navigation tab" display malfunction*9 | Navigation system | |
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Audio tab" display malfunction | Navigation system (w/ Navigation System) | |
| Audio and Visual System (w/ Audio and Visual System with Parking Assist Monitor System) | ||
| Audio and Visual System (w/ Audio and Visual System without Parking Assist Monitor System) | ||
| Combination meter assembly | ||
| Radio receiver assembly (w/ Navigation System) | ||
| Radio receiver assembly (w/ Audio and Visual System) | ||
| "Cruise control operation guide tab" display malfunction*4 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Lane departure alert tab" display malfunction*3, *6 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Message tab" display malfunction | Combination meter assembly | |
| "Setting tab" display malfunction | Combination meter assembly | |
| "Shift position" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "SPORT indicator" display malfunction*15 | SFI system (w/ EGR System) | |
| SFI system (w/o EGR System) | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "SPORT S indicator" display malfunction*10 | SFI system (w/ EGR System) | |
| SFI system (w/o EGR System) | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "SPORT S+ indicator" display malfunction*10 | Adaptive variable suspension system | |
| SFI system (w/ EGR System) | ||
| SFI system (w/o EGR System) | ||
| Combination meter assembly | ||
| Absorber control ECU | ||
| Hybrid vehicle control ECU assembly | ||
| "ECO/ECO MODE indicator" display malfunction | Hybrid control system | |
| SFI system (w/ EGR System) | ||
| SFI system (w/o EGR System) | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV MODE indicator light" display malfunction | Check customize parameters (EV indicator light) | |
| Hybrid control system | Click here | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "SNOW indicator" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Cruise SET indicator light" display malfunction*1, *3 | Cruise SET indicator light circuit | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Cruise SET indicator light" display malfunction*1, *4 | Cruise SET indicator light circuit | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Cruise main indicator light" display malfunction*1, *3 | Cruise main indicator light circuit | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Cruise main indicator light" display malfunction*1, *4 | Cruise main indicator light circuit | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Radar cruise main indicator light" display malfunction*1, *4 | Cruise main indicator light circuit | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Lane departure alert indicator light" display malfunction*1, *6 | Indicator circuit | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Outside temp" 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 | Check customize parameters (Interrupt Display) | |
| Navigation system (w/ Navigation System) | ||
| Audio and Visual System (w/ Audio and Visual System with Parking Assist Monitor System) | ||
| Audio and Visual System (w/ Audio and Visual System without Parking Assist Monitor System) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| Radio receiver assembly (w/ Audio and Visual System) | ||
| "Turn-by-turn navigation" display malfunction*9 | Check customize parameters (Interrupt Display) | |
| Navigation system | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Vehicle speed warning indicator" display malfunction (Speedometer is normal)*2 | Combination meter assembly | |
| "REV indicator" display malfunction (Tachometer is normal)*2 | Combination meter assembly | |
| "REV peak indicator" display malfunction (Tachometer is normal)*2 | Combination meter assembly | |
| "Movable meter ring operation guide" display malfunction*2 | Combination meter assembly | |
| "Cruise control main switch guide" display malfunction*4 | Check customize parameters (Interrupt Display) | |
| Dynamic radar cruise control system | ||
| Combination meter assembly | ||
| Driving support ECU 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 LDA Camera" display malfunction*6 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Adjusting Front Radar Beam" display malfunction*4 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "BRAKE!" display malfunction*5 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Holding in POWER Switch Will Cause an Emergency Hybrid System Stop." display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "To Restart Car, Shift Lever to "N" and Press POWER Switch." display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Hybrid System Has Stopped. Please Put Shift Lever into "P"." display malfunction (Speedometer, Tachometer and shift position display are normal) | Combination meter assembly | Click here |
| "Hybrid System Has Stopped. Please Stop Your Car in a Safe Place." display malfunction (Speedometer, tachometer and shift position display are normal) | Combination meter assembly | |
| "Dynamic radar cruise control or Lane departure alert warning reminder indicator" display malfunction*4, *6 | Dynamic radar cruise control system (w/ Dynamic Radar Cruise Control System) | |
| Lane departure alert system (w/ Lane Departure Alert System) | ||
| Combination meter assembly | ||
| Driving support ECU assembly (w/ Dynamic Radar Cruise Control System) | ||
| Lane departure warning camera (w/ Lane Departure Alert System) | ||
| "Brake Malfunction" display malfunction | Electronically controlled brake system | |
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| "The Accelerator is Stuck. Please Depress Brake Pedal to Stop Car." display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Shift to P position when parked" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Hybrid System Failure. Please Refrain From being towed" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Each door ajar" display malfunction (Each door courtesy switch and hood courtesy switch are normal) | Combination meter assembly | |
| Main body ECU (Multiplex network body ECU) | ||
| "Clearance sonar detection (image display)" display malfunction*8 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| "Check Park Sonar System" display malfunction*8 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| "Clean Park Sonar" display malfunction*8 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly (for LHD) | ||
| Clearance warning ECU assembly (for RHD) | ||
| "Auto Power OFF to Conserve Battery" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "N position" 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 preservation mode Restart after shifting to P position" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Check Hybrid System Stop the vehicle in a safe place immediately" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Traction battery Low Charges when not in N position" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EPS Failure. Steering Wheel Harder to Turn." display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly (for LHD) | ||
| Power steering ECU assembly (for RHD) | ||
| "Voltage Abnormality. Steering Wheel Harder to Turn." display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly (for LHD) | ||
| Power steering ECU assembly (for RHD) | ||
| "Check Power Steering System" 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 (Brake warning light / red (malfunction) is normal) | Combination meter assembly | |
| Main body ECU (Multiplex network body ECU) | ||
| "Key not detected" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Speed Limit Exceeded" display malfunction (Speedometer is normal)*12 | Combination meter assembly | |
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| "Check SRS Airbag System" display malfunction | Airbag system | |
| Combination meter assembly | ||
| Airbag sensor assembly | ||
| "Check ABS" display malfunction | Electronically controlled brake system | |
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| "Engine Coolant High Temperature" display malfunction (Engine coolant temperature receiver gauge is normal) | SFI system (w/ EGR System) | |
| SFI system (w/o EGR System) | ||
| Combination meter assembly | ||
| ECM | ||
| "Clean Radar Sensor" display malfunction*4 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Cruise Control not available" display malfunction*4 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "LDA not available" display malfunction*6 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Check Grille Shutter System" display malfunction*19 | Grille shutter system | |
| Combination meter assembly | ||
| Swing grille actuator assembly | ||
| "Check Entry & Start System" 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) | - | |
| "BSM not available" display malfunction*13 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Check Cruise Control System" display malfunction*3 | Cruise control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Check Cruise Control System" display malfunction*4 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Check LDA System" display malfunction*6 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Check PCS System" display malfunction*5 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Check BSM System" display malfunction*13 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Engine Oil Pressure Low" display malfunction (Speedometer and Tachometer are normal) | Combination meter assembly: Read the Data List (Oil Pressure Switch) | |
| 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 | ||
| "Check Brake System" display malfunction | Electronically controlled brake system | |
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| "POP UP HOOD Activated." display malfunction*16 | Airbag system | |
| Combination meter assembly | ||
| Airbag sensor assembly | ||
| "POP UP HOOD Failure." display malfunction*16 | Airbag system | |
| Combination meter assembly | ||
| Airbag sensor assembly | ||
| "LDA System is Unavailable Below 50 km/h." display malfunction*6 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "LDA System is Unavailable Below 32 MPH." display malfunction*6 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "LDA System is Unavailable at this Speed." display malfunction*6 | Lane departure alert system | |
| Combination meter assembly | ||
| Lane departure warning camera | ||
| "Dynamic radar cruise control or Lane departure alert indicator" display malfunction*4, *6 | Dynamic radar cruise control system (w/ Dynamic Radar Cruise Control System) | |
| Lane departure alert system (w/ Lane Departure Alert System) | ||
| Combination meter assembly | ||
| Driving support ECU assembly (w/ Dynamic Radar Cruise Control System) | ||
| Lane departure warning camera (w/ Lane Departure Alert System) | ||
| "Hybrid System Stopped, Steering Wheel Harder to Turn." display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly (for LHD) | ||
| Power steering ECU assembly (for RHD) | ||
| "Turn Power Off" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Key detected in vehicle" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Turn Light Off" display malfunction | Lighting system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Moon Roof opened" display malfunction*14 | Sliding roof system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Window opened" display malfunction | Power window control system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Window / Moon Roof opened" display malfunction*14 | Sliding roof system | |
| Power window control system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Depress brake pedal, touch POWER switch with key" 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 pedal and push POWER switch 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) | - | |
| "The Accelerator is Stuck. Please Check the Accelerator." display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Steering Lock active" display malfunction | Steering lock system | |
| Entry and start system (for Entry Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | - | |
| "Shift to P position to start" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Brake Override System Failure." display malfunction | Hybrid control 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" display malfunction (Engine coolant temperature receiver gauge is 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 Overheat Output Power is limited" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Check Headlight System" display malfunction | Lighting system (for LED Headlight) | |
| Automatic headlight beam level control system | ||
| Automatic high beam system (w/ Automatic High Beam System) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) (for LED Headlight, w/ Automatic High Beam System) | ||
| Headlight leveling ECU assembly | ||
| "Both Accelerator and Brake Pedals Are Depressed." display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Maintenance required for hybrid battery cooling parts at your dealer." display malfunction | Hybrid battery system | |
| Hybrid control system | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Low 12-volt Battery See Owner's Manual" display malfunction | Hybrid battery system | |
| Hybrid control system | ||
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "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 | |
| "TRC OFF" display malfunction | Electronically controlled brake system | |
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| "Oil Maintenance Required Soon" display malfunction*11 | SFI system (w/ EGR System) | |
| SFI system (w/o EGR System) | ||
| Combination meter assembly | ||
| ECM | ||
| "Injector Maintenance required soon" display malfunction*18 | Fuel injector maintenance required reminder reset procedure | Refer to Service Bulletin |
| Combination meter assembly | ||
| ECM | ||
| "Oil Maintenance Required Visit Your Dealer" display malfunction*11 | SFI system (w/ EGR System) | |
| SFI system (w/o EGR System) | ||
| Combination meter assembly | ||
| ECM | ||
| "Injector Maintenance required" display malfunction*18 | Fuel injector maintenance required reminder reset procedure | Refer to Service Bulletin |
| Combination meter assembly | ||
| ECM | ||
| "Turn on the high beam to activate AHB System" display malfunction*7 | Automatic high beam system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Depress brake pedal and push POWER switch 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 System Switched Off. Pre-crash Brake System Disengaged." display malfunction*5 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "PCS temporarily not available" display malfunction*5 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Operation of Electrical Items Restricted." display malfunction | Air conditioning system | |
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| "EV mode currently not available" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV mode not available Warming up" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV mode currently not available Low battery" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV mode currently not available Excessive speed" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV mode currently not available Excessive acceleration" 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 Low battery" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV mode deactivated Excessive speed" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "EV mode deactivated Excessive acceleration" display malfunction | Hybrid control system | |
| Combination meter assembly | ||
| Hybrid vehicle control ECU assembly | ||
| "Theft Sensor OFF" display malfunction*17 | Theft deterrent system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Theft Sensor ON" display malfunction*17 | Theft deterrent system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) |
*1: except F SPORT Models
*2: for F SPORT Models
*3: w/ Cruise Control System
*4: w/ Dynamic Radar Cruise Control System
*5: w/ Pre-crash Safety System
*6: w/ Lane Departure Alert System
*7: w/ Automatic High Beam System
*8: w/ LEXUS Parking Assist-sensor System
*9: w/ Navigation System
*10: w/ Adaptive Variable Suspension System
*11: w/ Oil Maintenance Required Reminder
*12: w/ Speed Warning
*13: w/ Blind Spot Monitor System
*14: w/ Sliding Roof System
*15: w/o Adaptive Variable Suspension System
*16: w/ Pop Up Hood
*17: w/ Theft Deterrent System
*18: w/ Fuel Injector Maintenance Required Reminder
*19: w/ Grille Shutter 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 seats) buzzer malfunction (Rear seat belt warning light operation is normal)*3 | Check customize parameters (Rear Seatbelt Warning Buzzer) | |
| Combination meter assembly | ||
| Vehicle roll-away notification (STEP 1) buzzer malfunction (Speedometer, tachometer and shift position indicator are normal) | Combination meter assembly | |
| Vehicle roll-away notification (STEP 2) buzzer malfunction (Speedometer, tachometer and shift position indicator are normal) | Combination meter assembly | |
| Engine oil pressure warning buzzer malfunction (Speedometer and Tachometer are normal) | Engine oil pressure switch assembly | |
| Wire harness or connector (Combination meter assembly-Engine oil pressure switch assembly) | - | |
| Combination meter 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) | - | |
| Brake control system temperature warning buzzer malfunction | Electronically controlled brake system | |
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| Hill-start assist control (Reset) buzzer malfunction | Electronically controlled brake system | |
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| Hill-start assist control (Set) buzzer malfunction | Electronically controlled brake system | |
| Combination meter assembly | ||
| Skid control ECU assembly (for LHD) | ||
| Skid control ECU assembly (for RHD) | ||
| 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 | ||
| HV 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*1 | 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) | - | |
| Speed warning buzzer malfunction (Speedometer is normal)*2 | Combination meter assembly | |
| Driving with parking brake unreleased warning buzzer malfunction (Speedometer and brake warning light / red (malfunction) are normal) | Combination meter assembly | |
| Driving with door ajar warning buzzer malfunction (Speedometer and door open warning light 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 | Lighting system | |
| 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 |
*1: w/ Dynamic Radar Cruise Control System
*2: w/ Speed Warning
*3: w/ Rear Seat Belt Warning
| Symptom | Suspected Area | Link |
|---|---|---|
| "Diagnostic trouble code" display malfunction | Combination meter assembly | |
| 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) or Multi Switch (Left)) | |
| Steering pad switch assembly | ||
| Spiral cable with sensor sub-assembly | ||
| Wire harness or connector (Combination meter assembly - Spiral cable with sensor sub-assembly) | - | |
| Combination Meter Assembly | ||
| Operating steering pad switch does not change ODO/TRIP meter display (multi-information display) | Odo/Trip switch circuit | |
| Operating light control rheostat does not change light brightness | Light control rheostat switch circuit | |
| Meter illumination is always dark | Illumination circuit | |
| Meter illumination does not dim at night | Illumination circuit | |
| Other systems that use the speed signal do not operate normally | Speed signal circuit |