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 (in the multi-information display) | Tachometer circuit | |
| Fuel receiver gauge malfunction (Fuel receiver gauge is currently malfunctioning or was malfunctioning in the past) | Fuel receiver gauge circuit | |
| Engine coolant temperature receiver gauge malfunction | Engine coolant temperature receiver gauge circuit | |
| Engine oil temperature receiver gauge malfunction | Combination meter assembly: Read the Data List (Engine Oil Temperature) | |
| Oil temperature sensor | ||
| Wire harness or connector (Combination meter assembly - Oil temperature sensor) | - | |
| Combination meter assembly |
| 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 and the luggage 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 malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Brake) | ||
| Brake warning light circuit (Brake warning light remains ON) | ||
| Brake warning light circuit (Brake warning light does not come ON) | ||
| Combination meter assembly | ||
| Brake master cylinder reservoir assembly (Brake fluid level warning switch) | for LHD: Click here for RHD: Click here |
|
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| Driver or front passenger seat belt warning light malfunction | Combination meter assembly (LED): Perform Active Test (Driver Side Seat Belt) | |
| Driver seat belt warning light circuit | ||
| Front passenger seat belt warning light circuit | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Airbag ECU assembly | ||
| 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 | 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: Click here for RHD: Click here |
|
| EPB* indicator light malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Brake actuator assembly (Skid control ECU)) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| MIL (Check engine warning light) malfunction | Combination meter assembly (LED): LED check | |
| Combination meter assembly (LED): Perform Active Test (Check Engine Indicator) | ||
| MIL circuit*13 | ||
| MIL circuit*14 | ||
| Combination meter assembly | ||
| ECM | ||
| PCS OFF indicator light malfunction*1 | 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 | ||
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| 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 | ||
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| 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 | ||
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| TRC OFF indicator light malfunction | Combination meter assembly | |
| Brake actuator assembly (Skid control ECU) | ||
| EPB* warning light does not come on | Combination meter assembly (LED): Perform Active Test (Indicat. Park) | |
| Electric parking brake system | ||
| Wire harness or connector (Combination meter assembly - Parking brake ECU assembly) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| 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 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)*7 | Combination meter assembly (LED): Perform Active Test (Indicat. Rr FOG) | |
| Lighting system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| ECT SNOW indicator light malfunction*10 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp ECT SNOW) | |
| Automatic transmission system | ||
| Combination meter assembly | ||
| Automatic high beam indicator light malfunction*2 | 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) | ||
| Adaptive high beam indicator light malfunction*12 | Combination meter assembly (LED): Perform Active Test (Automatic High Beam Indicator) | |
| Automatic high beam system*2 | ||
| Adaptive high beam system*9 | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU)*2 | ||
| Headlight ECU sub-assembly LH*9 | ||
| Lane departure alert indicator light malfunction*11 | Combination meter assembly | |
| Forward recognition camera | ||
| Cruise control indicator light malfunction*3 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Cruise) | |
| Cruise control indicator light circuit (Cruise main indicator light circuit) | ||
| Combination meter assembly | ||
| ECM | ||
| Rader cruise control indicator light malfunction*4 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Cruise) | |
| Cruise control indicator light (Constant speed control mode) circuit (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) | |
| Lighting system (for Triple Beam Headlight) | ||
| Lighting system (for Single Beam Headlight) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Tail indicator light malfunction (Taillight is normal)*6 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Tail) | |
| Lighting system (for Triple Beam Headlight) | ||
| Lighting system (for Single Beam Headlight) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Head indicator light malfunction (Low beam headlight is normal)*7 | Combination meter assembly (LED): Perform Active Test (Indicat. Lamp Head) | |
| Lighting system (for Triple Beam Headlight) | ||
| Lighting system (for Single 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, Turn Signal (Right) Indicator) | |
| Combination meter assembly | ||
| Cruise SET indicator light malfunction*3 | Combination meter assembly (LED): Perform Active Test (Indicat. SET) | |
| Cruise SET indicator light circuit | ||
| Combination meter assembly | ||
| ECM | ||
| Cruise SET indicator light malfunction*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 light malfunction*5 | Combination meter assembly (LED): Perform Active Test (Indicat. INTUITIVE P/A LCD) | |
| LEXUS parking assist-sensor system | ||
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| BSM indicator light malfunction*9 | Combination meter assembly (LED): Perform Active Test (BSM Control Indicator) | |
| LEXUS parking assist-sensor system | ||
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| TRC OFF indicator light malfunction | Combination meter assembly (LED): Perform Active Test (VSC TRC Indicator) | |
| TRC OFF indicator light circuit (VSC OFF Switch Circuit) | ||
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
EPB*: Electro-mechanical Parking Brake
*1: w/ Pre-crash Safety System
*2: w/ Automatic High Beam System
*3: w/o Dynamic Radar Cruise Control System
*4: w/ Dynamic Radar Cruise Control System
*5: w/ LEXUS Parking Assist-sensor System
*6: for Speedometer with Metric Units for Main Scale
*7: for Speedometer with Imperial Units for Main Scale
*8: w/ Rear Fog Light
*9: w/ Blind Spot Monitor System
*10: w/ Snow Mode Switch
*11: w/ LKA/LDA System
*12: w/ Adaptive High Beam System
*13: w/ Canister Pump Module
*14: w/o Canister Pump Module
| Symptom | Suspected Area | Link |
|---|---|---|
| "Opening" display malfunction | Combination meter assembly | |
| "ODO meter" display malfunction | Check customize parameters (ODO Display Time After IG OFF Setting) | |
| Combination meter assembly | ||
| "TRIP meter" display malfunction | Combination meter assembly | |
| "Current fuel consumption (Bar type)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Average fuel consumption (After reset)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Average fuel consumption (After start)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Average fuel consumption (After refuel)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Average speed (After reset)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Average speed (After start)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Elapsed time (After reset)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Elapsed time (After start)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Distance (Range)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Distance (After start)" display malfunction (Other meter functions are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Other (Blank)" display malfunction | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Tire pressure" display malfunction | Tire pressure warning system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Gear Position" display malfunction | Automatic transmission system | |
| Combination meter assembly | ||
| ECM | ||
| Sway warning malfunction*4 | Check customize parameters (Setting tab) | - |
| LKA/LDA system | ||
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Units change" display malfunction | Combination meter assembly | |
| "Lap timer" display malfunction | Combination meter assembly | |
| "Lap timer history" display malfunction | Combination meter assembly | |
| "Torque distribution" display malfunction | Torque vectoring differential system | |
| Combination meter assembly | ||
| Torque vectoring differential ECU assembly | ||
| "G-force" display malfunction | Vehicle stability control system | |
| SFI system*10 | ||
| SFI system*16 | ||
| Combination meter assembly | ||
| Steering sensor | ||
| Yaw rate sensor | ||
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| ECM | ||
| "Drive information tab" display malfunction | Combination meter assembly | |
| "F" tab display malfunction | Combination meter assembly | |
| "Navigation tab" display malfunction*7 | Navigation system | |
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Audio tab" display malfunction | Navigation system | |
| Audio and visual system (for 8 Inch Display) | ||
| Audio and visual system (for 12.3 Inch Display) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Cruise control tab" display malfunction*2 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Lane departure alert tab" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Message tab" display malfunction | Combination meter assembly | |
| "Setting tab" display malfunction | Combination meter assembly | |
| "Shift position" display malfunction | Automatic transmission system | |
| Combination meter assembly | ||
| ECM | ||
| "GEAR shift indicator" display malfunction | Automatic transmission system | |
| Combination meter assembly | ||
| ECM | ||
| "STANDARD (TVD mode)" display malfunction | Check customize parameters (Setting tab) | - |
| Torque vectoring differential system | ||
| Combination meter assembly | ||
| Torque vectoring differential ECU assembly | ||
| "SLALOM (TVD mode)" display malfunction | Check customize parameters (Setting tab) | - |
| Torque vectoring differential system | ||
| Combination meter assembly | ||
| Torque vectoring differential ECU assembly | ||
| "TRACK (TVD mode)" display malfunction | Check customize parameters (Setting tab) | - |
| Torque vectoring differential system | ||
| Combination meter assembly | ||
| Torque vectoring differential ECU assembly | ||
| "EXPERT mode" display malfunction | Vehicle stability control system | |
| SFI system*10 | ||
| SFI system*16 | ||
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| ECM | ||
| "NORMAL (Driving mode)" display malfunction | Check customize parameters (Setting tab) | - |
| SFI system*10 | ||
| SFI system*16 | ||
| Combination meter assembly | ||
| ECM | ||
| "ECO (Driving mode)" display malfunction | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| ECM | ||
| "SPORT S (Driving mode)" display malfunction | Check customize parameters (Setting tab) | - |
| SFI system*10 | ||
| SFI system*16 | ||
| Combination meter assembly | ||
| ECM | ||
| "SPORT S+ (Driving mode)" display malfunction | Check customize parameters (Setting tab) | - |
| SFI system*10 | ||
| SFI system*16 | ||
| Combination meter assembly | ||
| ECM | ||
| "CUSTOMIZE (Driving mode)" display malfunction | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "Eco driving meter" display malfunction (Speedometer and shift position indicator are normal) | Combination meter assembly | |
| "Eco driving indicator light" display malfunction | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| ECM | ||
| "Master warning light" malfunction | Combination meter assembly | |
| "Outside temperature" display malfunction | Air conditioning system | |
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| "Road sign assist indicator" light malfunction*14 | Check customize parameters (Setting tab) | - |
| Forward recognition camera | ||
| Combination meter assembly | ||
| "Icy street warning" display malfunction | Air conditioning system | |
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| "Phone (Received Call)" display malfunction | Check customize parameters (Setting tab) | - |
| Navigation system | ||
| Audio and visual system (for 8 Inch Display) | ||
| Audio and visual system (for 12.3 Inch Display) | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Turn-by-turn Navigation" display malfunction*7 | Check customize parameters (Setting tab) | - |
| Navigation system | ||
| Combination meter assembly | ||
| Radio receiver assembly | ||
| "Vehicle speed indicator" display malfunction (Speedometer is normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "REV indicator" display malfunction (Tachometer and shift position indicator are normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "REV peak indicator" display malfunction (Tachometer is normal) | Check customize parameters (Setting tab) | - |
| Combination meter assembly | ||
| "TVD Test Mode" display malfunction | Torque vectoring differential system | |
| Combination meter assembly | ||
| Torque vectoring differential ECU assembly | ||
| "CDY-2" display malfunction | Combination meter assembly | |
| ECM | ||
| "ADJUSTING LDA CAMERA" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "ADJUSTING FRONT RADAR BEAM" display malfunction*2 | Dynamic radar cruise control system | |
| Pre-crash safety system | ||
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "ERROR ADJUSTING FRONT RADAR BEAM" display malfunction*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "ADJUSTING FRONT RADAR BEAM VERTICAL" display malfunction*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "ADJUSTING FRONT RADAR BEAM HORIZONTAL" display malfunction*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "CHECKING PRE-CRASH BRAKE" display malfunction*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "CHECKING CRUISE CONTROL C/D" display malfunction*2 | Dynamic radar cruise control system | |
| Driving support ECU assembly | ||
| "CHECKING CRUISE CONTROL BRAKE" display malfunction*2 | Dynamic radar cruise control system | |
| Driving support ECU assembly | ||
| "Headlight System Uninitialized Visit Your Dealer" display malfunction*3 | Lighting system | |
| Combination meter assembly | ||
| Headlight ECU sub-assembly LH | ||
| "BRAKE!" display malfunction*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Dynamic radar cruise control*2 or Lane departure alert *4 warning reminder indicator" display malfunction | Dynamic radar cruise control system | |
| LKA/LDA system | ||
| Combination meter assembly | ||
| ECM | ||
| Forward recognition camera | ||
| Driving support ECU assembly | ||
| "Braking Power Low Stop in a Safe Place See Owner's Manual" display malfunction*3 | Combination meter assembly | |
| "Accelerator Stuck Depress Brake to Stop" display malfunction | Brake override system*10 | |
| Brake override system*16 | ||
| Combination meter assembly | ||
| "Each door ajar open (vehicle being driven) (image display)" display malfunction (Speedometer, each door courtesy switch, hood courtesy switch and luggage courtesy switch are normal) | Main body ECU (Multiplex network body ECU)*2 | |
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| Combination meter assembly | ||
| "Each door ajar open (vehicle stopped, engine switch on (IG)) (image display)" display malfunction (Speedometer, each door courtesy switch, hood courtesy switch and luggage courtesy switch are normal) | Main body ECU (Multiplex network body ECU)*2 | |
| Combination meter assembly | ||
| "Clearance sonar detection (image display)" display malfunction*6 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Parking Assist Malfunction" display malfunction*6 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Clean Parking Assist Sensor" display malfunction*6 | LEXUS parking assist-sensor system | |
| Combination meter assembly | ||
| Clearance warning ECU assembly | ||
| "Power Turned Off to Save Battery" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | Refer to Service Bulletin | |
| "EPB can't be Released Close Door and Fasten Your Seatbelt" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Parking brake ECU assembly) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| "Shift to P Before Exiting Vehicle" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | Refer to Service Bulletin | |
| "Check Power Steering System" display malfunction | Power steering system | |
| Combination meter assembly | ||
| Power steering ECU assembly | for LHD: Click here for RHD: Click here |
|
| "Release Parking Brake" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Parking brake ECU assembly) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| "Vehicle May Roll Shift to P" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Parking brake ECU assembly) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| "EPB Activation Stopped Incompletely" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Parking brake ECU assembly) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| "Key Not Detected Check Key Location" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | Refer to Service Bulletin | |
| "Release Parking Brake while Depressing Brake" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Parking brake ECU assembly) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| "Release Accelerator" display malfunction | Drive start control system*10 | |
| Drive start control system*16 | ||
| Combination meter assembly | ||
| ECM | ||
| "Slippery Road Cannot Shift to Lower Gear" display malfunction | Automatic transmission system | |
| Combination meter assembly | ||
| ECM | ||
| "Speed Limit Exceeded" display malfunction (Speedometer is normal)*11 | Combination meter assembly | |
| "Lane Departure Alert Driver Attention Required" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Keeping Assist Driver Attention Required" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LDA Hold Steering Wheel" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LKA Hold Steering Wheel" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LDA Steering Assist Unavailable Hold Steering Wheel" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LKA Steering Assist Unavailable Hold Steering Wheel" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LDA Hold Steering Wheel" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "LKA Hold Steering Wheel" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Parking Brake Overheated Parking Brake Unavailable" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Parking brake ECU assembly) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| "Check Engine Visit Your Dealer" display malfunction (MIL (Check engine warning light) is normal) | Combination meter assembly | |
| "Check Engine Reduced Engine Power Visit Your Dealer" display malfunction (MIL (Check engine warning light) is normal) | Combination meter assembly | |
| "Reduced Engine Power 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 | |
| "Radar Cruise Control Unavailable Clean Sensor" display malfunction*2 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Radar Cruise Control Unavailable" display malfunction*2 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Radar Cruise Control Unavailable Depress Brake to Resume Driving" display malfunction*2 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU 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) | Refer to Service Bulletin | |
| "Blind Spot Monitor Unavailable" display malfunction*8 | Blind spot monitor system | |
| Combination meter assembly | ||
| Blind spot monitor sensor LH | ||
| "Cruise Control Malfunction Visit Your Dealer" display malfunction*1 | Dynamic radar cruise control system*2 | |
| Cruise control system*1 | ||
| Combination meter assembly | ||
| ECM | ||
| "Cruise Control Fault Press Brake to Deactivate Visit Your Dealer" display malfunction*2 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Lane Departure Alert Malfunction Visit Your Dealer" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Keeping Assist Malfunction Visit Your Dealer" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Forward Camera System Unavailable" display malfunction*2, *3, *4, *5 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Lane Departure Alert Unavailable" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Keeping Assist Unavailable" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Turned On Steering Assist Active" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Keeping Assist Turned On Steering Assist Active" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Turned On Steering Assist Inactive" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Keeping Assist Turned On Steering Assist Inactive" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Forward Camera System Unavailable Clean Windshield" display malfunction*2, *3, *4, *5 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Pre-crash Safety System Malfunction Visit Your Dealer" display malfunction*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Blind Spot Monitor System Malfunction Visit Your Dealer" display malfunction*8 | 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 | SFI system*10 | |
| SFI system*16 | ||
| Engine oil pressure switch assembly | ||
| Wire harness or connector (Combination meter assembly - Engine oil pressure switch assembly) | - | |
| Combination meter assembly | ||
| ECM | ||
| "Transmission Fluid Temp High See Owner's Manual" display malfunction | Automatic transmission system | |
| Combination meter assembly | ||
| ECM | ||
| "Parking Brake Unavailable" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Brake actuator assembly (Skid control ECU)) | - | |
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| "Electronic Parking Brake Malfunction Visit Your Dealer" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Brake actuator assembly (Skid control ECU)) | - | |
| Combination meter assembly | ||
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| "Radar Cruise Active Please Pay Attention to Other Vehicles" display malfunction*2 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| ECM | ||
| "Lane Departure Alert Unavailable Below Approx 50 km/h" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Keeping Assist Unavailable Below Approx 50 km/h" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Unavailable Below Approx 32 MPH" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Keeping Assist Unavailable Below Approx 32 MPH" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Departure Alert Unavailable at Current Speed" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Lane Keeping Assist Unavailable at Current Speed" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Dynamic radar cruise control*2 or Lane Departure Alert*4 indicator" display malfunction | Dynamic radar cruise control system | |
| LKA/LDA system | ||
| Combination meter assembly | ||
| ECM | ||
| Forward recognition camera | ||
| "Turn Off Vehicle" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | Refer to Service Bulletin | |
| "Would You Like to Take Rest?" display malfunction*4 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Please Take Rest" display malfunction*4 | LKA/LDA system | |
| 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) | Refer to Service Bulletin | |
| "Turn Lights Off" display malfunction | Lighting system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Moon Roof Open" display malfunction*9 | 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*9 | Power window control system | |
| Sliding roof system | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Depress Brake and Then Touch Key to Engine 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) | Refer to Service Bulletin | |
| "Depress Brake and Then Start Engine" 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) | Refer to Service Bulletin | |
| "Shift to P position 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) | Refer to Service Bulletin | |
| "Steering Lock active" display malfunction | Steering lock system | |
| Entry and start system (for Entry Function) | ||
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | Refer to Service Bulletin | |
| "Parking Brake Activated Release before Driving" display malfunction | Electric parking brake system | |
| Engine oil pressure switch assembly | ||
| Wire harness or connector (Combination meter assembly - Engine oil pressure switch assembly) | - | |
| Combination meter assembly | ||
| ECM | ||
| "TVD System Malfunction. Visit Your Dealer." display malfunction | Torque vectoring differential system | |
| Combination meter assembly | ||
| Torque vectoring differential ECU assembly | ||
| "TVD System Overheated. Reduce Engine Speed and Load." display malfunction | Torque vectoring differential system | |
| Combination meter assembly | ||
| Torque vectoring differential ECU assembly | ||
| "Drive-Start Control Malfunction Visit Your Dealer" display malfunction | Drive start control system*10 | |
| Drive start control system*16 | ||
| Combination meter assembly | ||
| ECM | ||
| "Brake Override Malfunction Visit Your Dealer" display malfunction | Brake override system*10 | |
| Brake override system*16 | ||
| Combination meter assembly | ||
| ECM | ||
| "Key Battery Low" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | Refer to Service Bulletin | |
| "Engine Oil Level Low Add or Replace" display malfunction | Engine oil level sensor | |
| Wire harness or connector (Combination meter assembly - Engine oil level sensor) | - | |
| Combination meter assembly | ||
| "Headlight System Malfunction Visit Your Dealer" display malfunction | Lighting system | |
| Adaptive high beam system*13 | ||
| Automatic headlight beam level control system | ||
| Automatic high beam system*5 | ||
| Combination meter assembly | ||
| Headlight ECU sub-assembly LH*9 | ||
| Main body ECU (Multiplex network body ECU)*2 | ||
| "Check RSA System" display malfunction*14 | Road sign assist system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| "Brake Pad Wear. Visit Your Dealer." display malfunction | Wire harness or connector (Combination meter assembly - Front pad wear indicator wire assembly LH or RH) | - |
| Wire harness or connector (Combination meter assembly - Pad wear indicator wire assembly LH or RH) | - | |
| Front pad wear indicator wire assembly RH | ||
| Front pad wear indicator wire assembly LH | ||
| Pad wear indicator wire assembly LH | ||
| Pad wear indicator wire assembly RH | ||
| Combination meter assembly | ||
| "Accelerator and Brake Pedals Depressed Simultaneously" display malfunction | Brake override system*10 | |
| Brake override system*16 | ||
| Combination meter assembly | ||
| ECM | ||
| "Tire pressure indicator (image display)" display malfunction*15 | Tire pressure warning system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU)*2 | ||
| "Windshield Washer Fluid Low" display malfunction | Level warning switch assembly | |
| Wire harness or connector (Combination meter assembly - Level warning switch assembly) | - | |
| Combination meter assembly | ||
| "Fuel Low" display malfunction (Fuel level warning light is normal) | Combination meter assembly | |
| "Roads May Be Icy Drive with Care" display malfunction | Air conditioning system | |
| Combination meter assembly | ||
| Air conditioning amplifier assembly | ||
| ECM | ||
| Brake actuator assembly (Skid control ECU) | for LHD: Click here for RHD: Click here |
|
| "Maintenance Required Soon" display malfunction*10 | Scheduled maintenance required reminder reset procedure | |
| Combination meter assembly | ||
| ECM | ||
| "Injector Maintenance Required Soon" display malfunction*17 | Fuel injector maintenance required reminder reset procedure*10 | |
| Fuel injector maintenance required reminder reset procedure*16 | ||
| Combination meter assembly | ||
| ECM | ||
| "Maintenance Required Visit Your Dealer" display malfunction*10 | Scheduled maintenance required reminder reset procedure | |
| Combination meter assembly | ||
| ECM | ||
| "Maintenance Required Visit Your Dealer" display malfunction*17 | Fuel injector maintenance required reminder reset procedure*10 | |
| Fuel injector maintenance required reminder reset procedure*16 | ||
| Combination meter assembly | ||
| ECM | ||
| "To Activate Auto High Beam, Switch Headlights to High Beam" display malfunction*5 | Automatic transmission system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "To Activate AHS, Switch Headlights to High Beam" display malfunction*13 | Adaptive high beam system | |
| Combination meter assembly | ||
| Headlight ECU sub-assembly LH | ||
| "POWER ON" display malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | Refer to Service Bulletin | |
| "Depress Brake and Then Start Engine" 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) | Refer to Service Bulletin | |
| "VSC Turned Off Pre-Crash Brake System Unavailable" display malfunction (VSC OFF indicator light is normal)*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Pre-Crash Safety System Unavailable" display malfunction*3 | Pre-crash safety 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-Crash Safety System Unavailable" display malfunction (Millimeter wave radar sensor assembly temperature malfunction)*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Pre-Crash Safety System Unavailable Clean Sensor" display malfunction*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Pre-Crash Safety System Off" display malfunction*3 | Pre-crash safety system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| "Theft Sensor Turned Off" display malfunction*18 | Theft deterrent system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Theft Sensor Turned On" display malfunction*18 | Theft deterrent system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "Automatic Mode On Shift Operation Sets or Releases Parking Brake" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Brake actuator assembly (Skid control ECU)) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| "Automatic Mode Off" display malfunction | Electric parking brake system | |
| Wire harness or connector (Combination meter assembly - Brake actuator assembly (Skid control ECU)) | - | |
| Combination meter assembly | ||
| Parking brake ECU assembly |
*1: w/o Dynamic Radar Cruise Control System
*2: w/ Dynamic Radar Cruise Control System
*3: w/ Pre-crash Safety System
*4: w/ LKA/LDA System
*5: w/ Automatic High Beam System
*6: w/ LEXUS Parking Assist-sensor System
*7: w/ Navigation System
*8: w/ Blind Spot Monitor System
*9: w/ Sliding Roof System
*10: w/ Canister Pump Module
*11: w/o Snow Mode Switch
*12: w/ Sliding Roof System
*13: w/ Adaptive High Beam System
*14: w/ Road Sign Assist System
*15: w/ Tire Pressure Warning System
*16: w/o Canister Pump Module
*17: w/ Injector Maintenance Required Reminder
*18: w/ Intrusion Sensor
| Symptom | Suspected Area | Link |
|---|---|---|
| All buzzers do not operate normally | Combination meter assembly | |
| Seatbelt warning (for driver side) buzzer malfunction (Driver or front passenger seat belt warning light is normal) | Check customize parameters (Driver Side Seatbelt Warning Buzzer) | |
| Combination meter assembly | ||
| Seatbelt warning (for front passenger side) buzzer malfunction (Driver or front passenger seat belt warning light is normal) | Check customize parameters (Front Passenger Side Seatbelt Warning Buzzer) | |
| Combination meter assembly | ||
| Lane keeping assist cancel buzzer malfunction*2 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Brake fluid low warning buzzer malfunction (Brake warning light is normal) | Combination meter assembly | |
| Oil pressure warning buzzer malfunction | 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 | |
| Lane departure alert warning buzzer malfunction*2 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Engine coolant temperature warning buzzer malfunction (Engine coolant temperature receiver gauge is normal) | Combination meter assembly | |
| P shift operation advice buzzer malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | Refer to Service Bulletin | |
| 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) | Refer to Service Bulletin | |
| Multi-information display warning buzzer malfunction (Master warning light is normal) | Combination meter assembly | |
| Electric parking brake cancel buzzer malfunction | Electric parking brake system | |
| Combination meter assembly | ||
| Parking brake ECU assembly | ||
| Radar cruise control low speed cancel buzzer malfunction*1 | Dynamic radar cruise control system | |
| Combination meter assembly | ||
| Driving support ECU assembly | ||
| Low speed range of the vehicle in front buzzer malfunction*1 | Pre-crash safety system | |
| Combination meter assembly | ||
| ECM | ||
| Lane departure alert hands-free caution buzzer malfunction*2 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Immobilizer key identification completion buzzer malfunction | Entry and start system (for Entry Function) | |
| Combination meter assembly | ||
| Certification ECU (Smart key ECU assembly) | Refer to Service Bulletin | |
| Speed warning buzzer malfunction (Speedometer is normal)*3 | Combination meter assembly | |
| Speed limit buzzer malfunction (Speedometer is normal)*4 | Combination meter assembly | |
| Driving with parking brake unreleased warning buzzer malfunction (Speedometer and parking brake warning light are normal) | Combination meter assembly | |
| Driving with door ajar warning buzzer malfunction (Speedometer, each door courtesy switch, hood courtesy switch and luggage courtesy switch are normal) | Combination meter assembly | |
| Drift brake awakening buzzer malfunction*2 | LKA/LDA system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Road sign assist buzzer malfunction*5 | Road sign assist system | |
| Combination meter assembly | ||
| Forward recognition camera | ||
| Sports shift reject buzzer malfunction | SFI system*6 | |
| SFI system*7 | ||
| Combination meter assembly | ||
| ECM | ||
| Light reminder buzzer malfunction | Lighting system (for Triple Beam Headlight) | |
| Lighting system (for Single Beam Headlight) | ||
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| REV indicator buzzer malfunction (Tachometer and shift position indicator is normal) | Combination meter assembly | |
| Turn signal flasher buzzer malfunction (Turn indicator lights are normal) | Check customize parameters (Flasher Sound Volume Adjustment) | |
| Combination meter assembly |
*1: w/ Dynamic Radar Cruise Control System
*2: w/ LKA/LDA System
*3: w/o Snow Mode Switch
*4: w/ Snow Mode Switch
*5: w/ Road Sign Assist System
*6: w/ Canister Pump Module
*7: w/o Canister Pump Module
| 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) | - | |
| 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 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 | Lighting system | |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Other systems that use the speed signal do not operate normally | Speed signal circuit |