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Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> Electrical >> Gauges >> Meter >> Meter / Gauge System >> Problem Symptoms Table

Problem Symptoms Table

ENTIRE SYSTEM: 

ENTIRE SYSTEM PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
Entire combination meter does not operate. Power Source Circuit ENTIRE COMBINATION METER DOES NOT OPERATE 
Operating light control rheostat does not change light brightness. Light Control Rheostat Circuit OPERATING LIGHT CONTROL RHEOSTAT DOES NOT CHANGE LIGHT BRIGHTNESS 
Meter illumination is always dark. Meter Illumination Circuit METER ILLUMINATION IS ALWAYS DARK 
Meter illumination does not dim at night. Meter Illumination Circuit METER ILLUMINATION DOES NOT DIM AT NIGHT 

METER GAUGES: 

METER GAUGES PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
Speedometer malfunction Speedometer Circuit SPEEDOMETER MALFUNCTION 
Tachometer malfunction Tachometer Circuit TACHOMETER MALFUNCTION 
Fuel receiver gauge malfunction Fuel Receiver Gauge Circuit FUEL RECEIVER GAUGE MALFUNCTION 
Engine coolant temperature malfunction Engine Coolant Temperature Receiver Gauge Circuit ENGINE COOLANT TEMPERATURE RECEIVER GAUGE MALFUNCTION 

WARNING LIGHTS: 

WARNING LIGHTS PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
Check engine warning light does not come on. 1. MIL Circuit MIL CIRCUIT
2. Wire Harness or Connector -
3. Combination Meter Assembly COMBINATION METER 
Charge warning light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Generator -
4. Combination Meter Assembly COMBINATION METER 
Brake warning light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Brake Warning Light Circuit BRAKE WARNING LIGHT DOES NOT COME ON
4. Combination Meter Assembly COMBINATION METER 
Brake warning light does not go off. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Brake Warning Light Circuit BRAKE WARNING LIGHT REMAINS ON
4. Combination Meter Assembly COMBINATION METER 
ABS warning light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. ABS Warning Light Circuit ABS WARNING LIGHT DOES NOT COME ON
4. Combination Meter Assembly COMBINATION METER 
ABS warning light does not go off. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. ABS Warning Light Circuit ABS WARNING LIGHT REMAINS ON
4. Combination Meter Assembly COMBINATION METER 
Airbag warning light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Airbag Warning Light Circuit SRS WARNING LIGHT DOES NOT COME ON
3. Wire Harness or Connector -
4. Combination Meter Assembly COMBINATION METER 
Airbag warning light does not go off. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Airbag Warning Light Circuit SRS WARNING LIGHT REMAINS ON
3. Wire Harness or Connector -
4. Combination Meter Assembly COMBINATION METER 
Open door warning light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Door Courtesy Switch INSPECTION
4. Main Body ECU -
5. Combination Meter Assembly COMBINATION METER 
Fuel level warning light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Fuel Sender Gauge Assembly FUEL SENDER GAUGE ASSEMBLY 
4. Combination Meter Assembly COMBINATION METER 
Driver seat belt warning light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Driver Seat Belt Warning Light Circuit DRIVER SIDE SEAT BELT WARNING LIGHT DOES NOT OPERATE
4. Combination Meter Assembly COMBINATION METER 
Tire pressure warning light does not come on. (with Tire Pressure Warning System) 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Tire Pressure Warning System PROBLEM SYMPTOMS TABLE
4. Combination Meter Assembly COMBINATION METER 

INDICATOR LIGHTS: 

INDICATOR LIGHTS PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
Shift indicator light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Park/Neutral Position Switch Circuit PARK / NEUTRAL POSITION SWITCH CIRCUIT
4. Transmission Control Switch Circuit TRANSMISSION CONTROL SWITCH CIRCUIT
5. ECM REMOVAL
6. Combination Meter Assembly COMBINATION METER 
Turn indicator light does not come on. 1. Wire Harness or Connector -
2. Turn Indicator Light Circuit PROBLEM SYMPTOMS TABLE
3. Combination Meter Assembly COMBINATION METER 
SLIP indicator light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. SLIP Indicator Light Circuit SLIP INDICATOR LIGHT DOES NOT COME ON
4. Combination Meter Assembly COMBINATION METER 
SLIP indicator light does not go off. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. SLIP Indicator Light Circuit SLIP INDICATOR LIGHT REMAINS ON
4. Combination Meter Assembly COMBINATION METER 
CRUISE indicator light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Cruise Main Indicator Light Circuit (without Dynamic Radar Cruise Control System) CRUISE MAIN INDICATOR LIGHT CIRCUIT
4. Cruise Main Indicator Light Circuit (with Dynamic Radar Cruise Control System) CRUISE MAIN INDICATOR LIGHT CIRCUIT
5. Combination Meter Assembly COMBINATION METER 
High beam indicator light does not come on. 1. Wire Harness of Connector -
2. Headlight Dimmer Switch INSPECTION
3. Combination Meter Assembly COMBINATION METER 
Master caution indicator light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Combination Meter Assembly COMBINATION METER 
PCS indicator light malfunction (with Pre-collision System) 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Seat Belt Control ECU -
3. Combination Meter Assembly COMBINATION METER 
Rr LIGHT indicator light does not go off. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Taillight Circuit PROBLEM SYMPTOMS TABLE
4. Light Failure Sensor LIGHT FAILURE SENSOR 
5. Combination Meter Assembly COMBINATION METER 
HEAD indicator light does not come on. (for U.S.A.) 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Main Body ECU -
4. Combination Meter Assembly COMBINATION METER 
TAIL indicator light does not come on. (for Canada) 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Main Body ECU -
4. Combination Meter Assembly COMBINATION METER 
AFS OFF indicator light does not come on. (with AFS) 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. AFS ECU -
3. Combination Meter Assembly COMBINATION METER 
Fr FOG indicator light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Main Body ECU -
4. Combination Meter Assembly COMBINATION METER 

MULTI-INFORMATION DISPLAY: 

MULTI-INFORMATION DISPLAY PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
Multi-information display does not light up. 1. Combination Meter (Perform ACTIVE TEST by intelligent Tester) DATA LIST / ACTIVE TEST 
2. Combination Meter Assembly COMBINATION METER 
Door open warning display is not available. 1. Main Body ECU -
2. Combination Meter Assembly COMBINATION METER 
Maintenance required display malfunction (for U.S.A.) 1. Combination Meter Assembly (Oil Maintenance Resetting Procedure) HOW TO PROCEED WITH TROUBLESHOOTING 
2. Combination Meter Assembly COMBINATION METER 
Outside temperature display malfunction 1. Outside Temperature Sensor Circuit INSPECTION
2. Wire Harness or Connector -
3. Combination Meter Assembly COMBINATION METER 
Driving range display malfunction 1. ECM -
2. Skid Control ECU -
3. Combination Meter Assembly COMBINATION METER 
Average fuel consumption/Average fuel consumption after refueling display malfunction 1. ECM -
2. Combination Meter Assembly COMBINATION METER 
Current fuel consumption display malfunction 1. ECM -
2. Combination Meter Assembly COMBINATION METER 
Average speed display malfunction 1. Skid Control ECU -
2. Combination Meter Assembly COMBINATION METER 
Dynamic radar cruise control system display malfunction (with Dynamic Radar Cruise Control System) 1. Cruise Control System -
2. Combination Meter Assembly COMBINATION METER 
Moon roof open display malfunction 1. Sliding Roof Control System -
2. Combination Meter Assembly COMBINATION METER 
Steering lock display malfunction 1. Steering Lock System -
2. Combination Meter Assembly COMBINATION METER 
Low oil pressure display malfunction 1. Engine Oil Pressure Switch ENGINE OIL PRESSURE SWITCH 
2. Wire Harness or Connector -
3. Combination Meter Assembly COMBINATION METER 
Low engine oil level display malfunction 1. Engine Oil Level Sensor ENGINE OIL LEVEL SENSOR 
2. Wire Harness or Connector -
3. Combination Meter Assembly COMBINATION METER 
Low washer fluid display malfunction 1. Washer Fluid Level Switch DTC U0100 Lost Communication with ECM/PCM "A" 
2. Wire Harness or Connector -
3. Combination Meter Assembly COMBINATION METER 
Check PCS display malfunction (with Pre-collision System) 1. Pre-Collision System -
2. Combination Meter Assembly COMBINATION METER 

OTHERS: 

OTHERS PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
Front passenger seat belt warning light does not come on. 1. Combination Meter (LED) DATA LIST / ACTIVE TEST 
2. Wire Harness or Connector -
3. Front Passenger Seat Belt Warning Light Circuit FRONT PASSENGER SIDE SEAT BELT WARNING LIGHT MALFUNCTION
4. Combination Meter Assembly COMBINATION METER 
5. Heater Control Panel DISASSEMBLY
6. Multi-display Assembly INSTALLATION