METER / GAUGE SYSTEM PROBLEM SYMPTOMS TABLE

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.

Entire System
Symptom	Suspected Area	See page
Entire combination meter assembly does not operate.	Power Source Circuit	Click here
Meter illumination is always dark.	Meter Illumination Circuit	Click here
Meter illumination does not dim at night.	Meter Illumination Circuit	Click here
Accessory meter assembly does not operate.	Accessory Meter Assembly Circuit	Click here
Headup display (combination meter mirror ECU) malfunction	Headup Display Circuit	Click here
Operating light control rheostat does not change light brightness.	Light Control Rheostat Circuit	Click here

Meter or Gauge
Symptom	Suspected Area	See page
Speedometer malfunction	Speedometer Circuit	Click here
Hybrid system indicator malfunction	Hybrid System Indicator Circuit	Click here
Fuel receiver gauge malfunction	Fuel Receiver Gauge Circuit	Click here
Engine coolant temperature malfunction	Engine Coolant Temperature Receiver Gauge Circuit	Click here
ODO/TRIP meter malfunction	Combination Meter Assembly	Click here

Warning Light or Indicator Light
Symptom	Suspected Area	See page
High beam indicator light does not come on.	Combination Meter Assembly (LED)	Click here
	Lighting System	Click here
	Combination Meter Assembly	Click here
Turn indicator light malfunction	Lighting System	Click here
	Wire Harness or Connector	-
	Combination Meter Assembly	Click here
Fuel level warning light does not come on.	Combination Meter Assembly (LED)	Click here
	Wire Harness or Connector	-
	Fuel Sender Gauge Assembly (for 2GR-FXE)	Click here
	Combination Meter Assembly	Click here
Brake warning light does not come on.	Combination Meter Assembly (LED)	Click here
	Wire Harness or Connector	-
	Brake Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
Brake warning light does not go off.	Combination Meter Assembly (LED)	Click here
	Wire Harness or Connector	-
	Brake Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
SRS warning light does not come on.	Combination Meter Assembly (LED)	Click here
	SRS Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
SRS warning light does not go off.	Combination Meter Assembly (LED)	Click here
	SRS Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
Open door warning light does not come on.	Combination Meter Assembly (LED)	Click here
	Door Courtesy Switch	Click here
	Main Body ECU (Multiplex Network Body ECU)	Click here
	Combination Meter Assembly	Click here
Charge warning light does not come on.	Combination Meter Assembly (LED)	Click here
	Power Management Control ECU	Click here
	Combination Meter Assembly	Click here
MIL (Check engine warning light) malfunction	MIL Circuit (for 2GR-FXE (w/ EGR System))	Click here
	MIL Circuit (for 2GR-FXE (w/o EGR System))	Click here
	Combination Meter Assembly	Click here
Driver side seat belt warning light does not come on.	Combination Meter Assembly (LED)	Click here
	Driver Side Seat Belt Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
ABS warning light does not come on.	Combination Meter Assembly (LED)	Click here
	ABS Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
ABS warning light does not go off.	Combination Meter Assembly (LED)	Click here
	ABS Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
EPS warning light malfunction	Combination Meter Assembly (LED)	Click here
	EPS Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
Slip indicator light does not come on.	Combination Meter Assembly (LED)	Click here
	Slip Indicator Light Circuit	Click here
	Combination Meter Assembly	Click here
Slip indicator light does not go off.	Combination Meter Assembly (LED)	Click here
	Slip Indicator Light Circuit	Click here
	Combination Meter Assembly	Click here
Cruise main indicator light does not come on.	Combination Meter Assembly (LED)	Click here
	Cruise Main Indicator Light Circuit	Click here
	Combination Meter Assembly	Click here
Cruise main indicator light (constant speed control mode or vehicle-to-vehicle distance control mode) malfunction (w/ Dynamic Radar Cruise Control System)	Combination Meter Assembly (LED)	Click here
	Dynamic Radar Cruise Control System	Click here
	Combination Meter Assembly	Click here
Master warning light does not come on.	Combination Meter Assembly (LED)	Click here
Master warning light does not come on.	Combination Meter Assembly	Click here
Shift indicator light does not come on.	Combination Meter Assembly (LED)	Click here
	Power Management Control ECU	Click here
	Combination Meter Assembly	Click here
Tail indicator light does not come on.	Combination Meter Assembly (LED)	Click here
	Wire Harness or Connector	-
	Main Body ECU (Multiplex Network Body ECU)	Click here
	Combination Meter Assembly	Click here
Clearance sonar indicator light malfunction (w/ Lexus Parking Assist-sensor System)	Combination Meter Assembly (LED)	Click here
	Lexus Parking Assist-sensor System	Click here
	Combination Meter Assembly	Click here
Front fog indicator light malfunction	Combination Meter Assembly (LED)	Click here
	Lighting System	Click here
	Combination Meter Assembly	Click here
Rear fog indicator light malfunction	Combination Meter Assembly (LED)	Click here
	Lighting System	Click here
	Combination Meter Assembly	Click here
VSC OFF indicator light does not come on.	Combination Meter Assembly (LED)	Click here
	VSC OFF Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
VSC OFF indicator light does not go off.	Combination Meter Assembly (LED)	Click here
	VSC OFF Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
ECO driving indicator light malfunction	Combination Meter Assembly (LED)	Click here
	CAN Communication System	-
	SFI System (for 2GR-FXE (w/ EGR System))	-
	SFI System (for 2GR-FXE (w/o EGR System))	-
	Combination Meter Assembly	Click here
Hybrid snow indicator light malfunction (except G.C.C. Countries)	Combination Meter Assembly (LED)	Click here
	Hybrid Control System	-
	Combination Meter Assembly	Click here
AFS OFF indicator light malfunction (w/ AFS)	Combination Meter Assembly (LED)	Click here
	Lighting System	Click here
	Combination Meter Assembly	Click here
PCS warning light malfunction (w/ Pre-crash Safety)	Combination Meter Assembly (LED)	Click here
	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
Air suspension indicator light malfunction (w/ Air Suspension)	Combination Meter Assembly (LED)	Click here
	Suspension Control System	Click here
	Combination Meter Assembly	Click here
Luggage mode indicator light malfunction (w/ Air Suspension)	Combination Meter Assembly (LED)	Click here
	Suspension Control System	Click here
	Combination Meter Assembly	Click here
Electrically controlled brake warning light does not come on.	Combination Meter Assembly (LED)	Click here
	Electrically Controlled Brake Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
Electrically controlled brake warning light does not go off.	Combination Meter Assembly (LED)	Click here
	Electrically Controlled Brake Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
ECO mode indicator light malfunction	Combination Meter Assembly (LED)	Click here
	Hybrid Control System	-
	Combination Meter Assembly	Click here
Ready indicator light malfunction	Combination Meter Assembly (LED)	Click here
	Hybrid Control System	-
	Combination Meter Assembly	Click here
EV indicator light malfunction	Combination Meter Assembly (LED)	Click here
	Hybrid Control System	-
	Combination Meter Assembly	Click here

Cruise Information Display
Symptom	Suspected Area	See page
Average vehicle speed display malfunction	Skid Control ECU	-
Average vehicle speed display malfunction	Combination Meter Assembly	Click here
Driving range display malfunction	Power Management Control ECU	-
	Skid Control ECU	-
	Combination Meter Assembly	Click here
Average fuel consumption display or average fuel consumption after refueling display malfunction	Power Management Control ECU	-
	Combination Meter Assembly	Click here
Current fuel consumption display malfunction	Power Management Control ECU	-
Current fuel consumption display malfunction	Combination meter Assembly	Click here
Energy flow display malfunction	Hybrid Control System	Click here
Energy flow display malfunction	Combination Meter Assembly	Click here
Operating multi-information switch does not change multi-information display.	Multi-information Switch (Steering Pad Switch Assembly)	Click here
	Wire Harness or Connector	-
	Combination Meter Assembly	Click here

Multi-information Display
Symptom	Suspected Area	See page
Multi-information display does not light up (Combination meter operates normally).	Combination Meter Assembly (Multi-information Display)	Click here
	Combination Meter Assembly	Click here
Multi-information display malfunction (All warning displays come on, cruise information display does not come on and outside temperature display indicates "C".)	CAN Communication System	Click here
	Combination Meter Assembly	Click here
Door open message is displayed, not displayed or not displayed correctly.	Main Body ECU (Multiplex Network Body ECU)	Click here
	Combination Meter Assembly	Click here
Moon roof open message is displayed, not displayed or not displayed correctly. (w/ Sliding Roof)	Sliding Roof Control System	Click here
	Combination Meter Assembly	Click here
Low washer fluid message is displayed, not displayed or not displayed correctly.	Washer Fluid Level Warning Switch	-
	Combination Meter Assembly	Click here
Brake malfunction message is displayed, not displayed or not displayed correctly.	Skid Control ECU	-
	Combination Meter Assembly	Click here
Engine oil pressure message is displayed, not displayed or not displayed correctly.	Oil Pressure Switch (for 2GR-FXE)	Click here
	Combination Meter Assembly	Click here
Engine overheat message is displayed, not displayed or not displayed correctly.	SFI System (for 2GR-FXE (w/ EGR System))	-
	SFI System (for 2GR-FXE (w/o EGR System))	-
	Combination Meter Assembly	Click here
Release parking brake message is displayed, not displayed or not displayed correctly.	Parking Brake Switch (for LHD)	Click here
	Parking Brake Switch (for RHD)	Click here
	Combination Meter Assembly	Click here
Key not detected message is displayed, not displayed or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Key battery low message is displayed, not displayed or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Depress brake pedal touch power switch with key message is displayed, not displayed or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Shift to P range and push power switch to turn power off message is displayed, not displayed or not displayed correctly.	Hybrid Control System	-
	Combination Meter Assembly	Click here
Theft sensor off message is displayed, not displayed or not displayed correctly.	Theft Deterrent System	-
	Combination Meter Assembly	Click here
Theft sensor on message is displayed, not displayed or not displayed correctly.	Theft Deterrent System	-
	Combination Meter Assembly	Click here
Check steering lock system message is displayed, not displayed or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Steering lock active message is displayed, not displayed or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Check SRS system airbag message is displayed, not displayed or not displayed correctly.	Airbag System	-
	Combination Meter Assembly	Click here
Check brake light system message is displayed, not displayed or not displayed correctly.	Vehicle Stability Control System	-
	Combination Meter Assembly	Click here
Check ABS message is displayed, not displayed or not displayed correctly.	Vehicle Stability Control System	-
	Combination Meter Assembly	Click here
Key detected in vehicle message is displayed, not displayed or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Auto power off to conserve battery message is displayed, not displayed or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Depress brake pedal, and push power switch to start message is displayed, not displayed or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Check AWD system message is displayed, not displayed or not displayed correctly.	AWD Control System	-
	Combination Meter Assembly	Click here
Adjusting front radar beam message is displayed, not displayed or not displayed correctly. (w/ Dynamic Radar Cruise Control System)	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
Adjusting rear radar beam message is displayed, not displayed or not displayed correctly. (w/ Dynamic Radar Cruise Control System)	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
Checking cruise control C/D message is displayed, not displayed or not displayed correctly. (w/ Dynamic Radar Cruise Control System)	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
Checking cruise control brake message is displayed, not displayed or not displayed correctly. (w/ Dynamic Radar Cruise Control System)	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
Dynamic radar cruise control message is displayed, not displayed or not displayed correctly. (w/ Dynamic Radar Cruise Control System)	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
Clean radar sensor message is displayed, not displayed or not displayed correctly. (w/ Dynamic Radar Cruise Control System)	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
Cruise control not available message is displayed, not displayed or not displayed correctly. (w/ Dynamic Radar Cruise Control System)	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
Check cruise control system message is displayed, not displayed or not displayed correctly.	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
Brake! message is displayed, not displayed or not displayed correctly. (w/ Pre-crash Safety)	Pre-crash Safety System	-
	Combination Meter Assembly	Click here
<!> message is displayed, not displayed or not displayed correctly. (w/ Pre-crash Safety)	Pre-crash Safety System	-
	Combination Meter Assembly	Click here
Check PCS system message is displayed, not displayed or not displayed correctly. (w/ Pre-crash Safety)	Pre-crash Safety System	-
	Combination Meter Assembly	Click here
PCS temporarily message is displayed, not displayed or not displayed correctly. (w/ Pre-crash Safety)	Pre-crash Safety System	-
	Combination Meter Assembly	Click here
Air suspension test mode message is displayed, not displayed or not displayed correctly. (w/ Air Suspension)	Suspension Control System	-
	Combination Meter Assembly	Click here
Check air suspension system message is displayed, not displayed or not displayed correctly. (w/ Air Suspension)	Suspension Control System	-
	Combination Meter Assembly	Click here
Height control off message is displayed, not displayed or not displayed correctly. (w/ Air Suspension)	Suspension Control System	-
	Combination Meter Assembly	Click here
Lexus parking assist-sensor system message is displayed, not displayed or not displayed correctly. (w/ Lexus Parking Assist-sensor System)	Intuitive Parking Assist System	-
	Combination Meter Assembly	Click here
Check sonar message is displayed, not displayed or not displayed correctly. (w/ Intuitive Parking Assist System)	Intuitive Parking Assist System	-
	Combination Meter Assembly	Click here
Clean sonar message is displayed, not displayed or not displayed correctly. (w/ Intuitive Parking Assist System)	Intuitive Parking Assist System	-
	Combination Meter Assembly	Click here
Low fuel message is displayed, not displayed or not displayed correctly.	Fuel Sender Gauge Assembly (for 2GR-FXE)	Click here
	Combination Meter Assembly	Click here
Check headlight leveling system message is displayed, not displayed or not displayed correctly.	Lighting System	Click here
	Combination Meter Assembly	Click here
Check AFS system message is displayed, not displayed or not displayed correctly.	Lighting System	Click here
	Combination Meter Assembly	Click here
TRC OFF message is displayed, not displayed or not displayed correctly.	Vehicle Stability Control System	-
	Combination Meter Assembly	Click here
Rear seat belt warning message is displayed, not displayed or not displayed correctly. (w/ Rear Seat Belt Reminder)	Seat Belt Warning System	Click here
	Combination Meter Assembly	Click here
Shift to P range message is displayed, not displayed , or not displayed correctly.	Hybrid Control System	-
	Combination Meter Assembly	Click here
Check power steering system message is displayed, not displayed, or not displayed correctly.	Power Steering System	-
	Combination Meter Assembly	Click here
Shift to P range to start message is displayed, not displayed, or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Turn power off message is displayed, not displayed, or not displayed correctly.	Entry and Start System	-
	Combination Meter Assembly	Click here
Turn lights off message is displayed, not displayed or not displayed correctly.	Lighting System	Click here
	Combination Meter Assembly	Click here
Low engine oil level message is displayed, not displayed or not displayed correctly. (w/ Oil Level Sensor)	Oil Level Sensor (for 2GR-FXE)	Click here
	Wire Harness or Connector	-
	Combination Meter Assembly	Click here
FWD certification mode or AWD certification mode display is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
Active stabilizer suspension test mode is displayed, not displayed, or not displayed correctly.	Active Stabilizer Control ECU	-
	Combination Meter Assembly	Click here
Hybrid system overheat is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
Check hybrid system is displayed, not displayed, or not displayed correctly.	Hybrid Control System	-
	Combination Meter Assembly	Click here
Check brake system is displayed, not displayed, or not displayed correctly.	Electrically Controlled Brake System	-
	Combination Meter Assembly	Click here
Check headlight system is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
Shift to P range when parked is displayed, not displayed, or not displayed correctly.	Electrically Controlled Brake System	-
	Combination Meter Assembly	Click here
Low traction battery shift to P range is displayed, not displayed, or not displayed correctly.	Hybrid Control System	-
	Combination Meter Assembly	Click here
Check active stabilizer suspension system is displayed, not displayed, or not displayed correctly.	Active Stabilizer Control ECU	-
	Combination Meter Assembly	Click here
EV mode not available warming up is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
EV mode not available low battery is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
EV mode not available excessive speed is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
EV mode not available excessive acceleration is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
EV mode currently not available is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
EV mode deactivated low battery is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
EV mode deactivated excessive speed is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
EV mode deactivated excessive acceleration is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here
EV mode deactivated is displayed, not displayed, or not displayed correctly.	Power Management Control ECU	-
	Combination Meter Assembly	Click here

Buzzer
Symptom	Suspected Area	See page
Seat belt warning buzzer does not operate.	Seat Belt Warning Buzzer ON/OFF Setting	Click here
Seat belt warning buzzer does not operate.	Combination Meter Assembly	Click here
Sliding roof open warning buzzer does not operate. (w/ Sliding Roof)	Sliding Roof Control System	Click here
	Combination Meter Assembly	Click here
Driving with parking brake unreleased warning buzzer does not operate.	Parking Brake Switch (for LHD)	Click here
	Parking Brake Switch (for RHD)	Click here
	Combination Meter Assembly	Click here
Driving with any door opened warning buzzer does not operate.	Combination Meter Assembly	Click here
Shift down reject buzzer does not operate.	Hybrid Transaxle System	-
Shift down reject buzzer does not operate.	Combination Meter Assembly	Click here
Entry and start system warning buzzer does not operate.	Entry and Start System	-
Entry and start system warning buzzer does not operate.	Combination Meter Assembly	Click here
Engine immobiliser certification buzzer does not operate.	Engine Immobiliser System	-
Engine immobiliser certification buzzer does not operate.	Combination Meter Assembly	Click here
Light reminder buzzer does not operate.	Combination Meter Assembly	Click here
Dynamic radar cruise control cancel buzzer does not operate. (w/ Dynamic Radar Cruise Control System)	Dynamic Radar Cruise Control System	-
	Combination Meter Assembly	Click here
EV reject buzzer does not operate.	Hybrid Control System	-
EV reject buzzer does not operate.	Combination Meter Assembly	Click here
Ready buzzer does not operate.	Hybrid Control System	-
Ready buzzer does not operate.	Combination Meter Assembly	Click here
Hybrid battery charge request warning buzzer does not operate.	Hybrid Control System	-
	Combination Meter Assembly	Click here
Light reminder buzzer does not operate.	Lighting System	-
Light reminder buzzer does not operate.	Combination Meter Assembly	Click here

Others
Symptom	Suspected Area	See page
Front passenger side seat belt warning light does not come on.	Combination Meter Assembly (LED)	Click here
	Front Passenger Side Seat Belt Warning Light Circuit	Click here
	Combination Meter Assembly	Click here
Other systems that use the speed signal do not operate normally.	Speed Signal Circuit	Click here
Customizable parameters cannot be changed (Customizable parameters can be changed by using the intelligent tester).	Combination Meter Assembly	Click here
Window close proposal message is displayed, not displayed or not displayed correctly.	Combination Meter Assembly	Click here