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Home >> Toyota >> 2007 >> Avalon XLS >> Repair and Diagnosis >> Electrical >> Gauges >> Meter >> Meter / Gauge System >> Problem Symptoms Table

Problem Symptoms Table

MALFUNCTION SYSTEM: 

MALFUNCTION SYSTEM REFERENCE

Symptom Suspected Area See
Entire combination meter does not operate. Refer to troubleshooting ENTIRE COMBINATION METER DOES NOT OPERATE 
Seat belt warning light for driver seat does not operate. Refer to troubleshooting DRIVER SIDE SEAT BELT WARNING LIGHT DOES NOT OPERATE 
Seat belt warning light for passenger seat does not operate. Refer to troubleshooting FRONT PASSENGER SIDE SEAT BELT WARNING LIGHT MALFUNCTION 
Clock display malfunction Refer to troubleshooting CLOCK DISPLAY CIRCUIT 
Operating light control rheostat does not change light brightness. Refer to troubleshooting OPERATING LIGHT CONTROL RHEOSTAT DOES NOT CHANGE LIGHT BRIGHTNESS 

METER GAUGES: 

METER GAUGES REFERENCE

Symptom Suspected Area See
Speedometer malfunction Refer to troubleshooting SPEEDOMETER MALFUNCTION 
Tachometer malfunction Refer to troubleshooting TACHOMETER MALFUNCTION 
Fuel receiver gauge malfunction Refer to troubleshooting FUEL RECEIVER GAUGE MALFUNCTION 
Engine coolant temperature receiver gauge malfunction Refer to troubleshooting ENGINE COOLANT TEMPERATURE RECEIVER GAUGE MALFUNCTION 

WARNING LIGHTS: 

WARNING LIGHTS REFERENCE

Symptom Suspected Area See
Check engine warning light does not come on. 1. ECM ECM POWER SOURCE CIRCUIT
2. Wire Harness or Connector -
3. Combination Meter Assembly REMOVAL 
Discharge warning light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Front Controller -
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 
Brake warning light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Brake Warning Light Circuit (*1) BRAKE WARNING LIGHT DOES NOT COME ON
3. Brake Warning Light Circuit (*2) BRAKE WARNING LIGHT DOES NOT COME ON
4. Wire Harness or Connector -
5. Combination Meter Assembly REMOVAL 
Brake warning light does not go off. 1. LED DATA LIST / ACTIVE TEST 
2. Brake Warning Light Circuit (*1) BRAKE WARNING LIGHT REMAINS ON
3. Brake Warning Light Circuit (*2) BRAKE WARNING LIGHT REMAINS ON
4. Wire Harness or Connector -
5. Combination Meter Assembly REMOVAL 
ABS warning light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. ABS Warning Light Circuit (*1) ABS WARNING LIGHT DOES NOT COME ON
3. ABS Warning Light Circuit (*2) ABS WARNING LIGHT DOES NOT COME ON
4. Wire Harness or Connector -
5. Combination Meter Assembly REMOVAL 
ABS warning light does not go off. 1. LED DATA LIST / ACTIVE TEST 
2. ABS Warning Light Circuit (*1) BRAKE WARNING LIGHT REMAINS ON
3. ABS Warning Light Circuit (*2) ABS WARNING LIGHT REMAINS ON
4. Wire Harness or Connector -
5. Combination Meter Assembly REMOVAL 
AIRBAG warning light does not come on. 1. Airbag Warning Light Circuit SRS WARNING LIGHT DOES NOT COME ON
2. Wire Harness or Connector -
3. Combination Meter Assembly REMOVAL 
AIRBAG warning light does not go off. 1. Airbag Warning Light Circuit SRS WARNING LIGHT REMAINS ON
2. Wire Harness or Connector -
3. Combination Meter Assembly REMOVAL 
Open door warning light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Door Courtesy Switch DOOR COURTESY SWITCH CIRCUIT
3. Wire Harness or Connector -
4. Body ECU -
5. Combination Meter Assembly REMOVAL 
Low engine oil pressure warning light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Engine Oil Pressure Warning Switch ON-VEHICLE INSPECTION 
3. Front Controller -
4. Wire Harness or Connector -
5. Combination Meter Assembly REMOVAL 
Security warning light does not come on. 1. Combination Meter Assembly REMOVAL 
2. Engine Immobilizer System (*3) SECURITY INDICATOR LIGHT CIRCUIT
3. Theft Deterrent System ECU (*4) SECURITY INDICATOR LIGHT CIRCUIT
4. Wire Harness or Connector -
Fuel level warning light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Fuel Sender Gauge Assembly DATA LIST / ACTIVE TEST 
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 
ACC W warning light does not come on (Radar cruise). (*5) 1. Combination Meter Assembly REMOVAL 
2. Refer to troubleshooting HOW TO PROCEED WITH TROUBLESHOOTING
3. Wire Harness or Connector -
Tire pressure warning light does not come on. 1. Wire Harness or Connector -
2. Tire Pressure Warning Light Circuit -
3. Combination Meter Assembly REMOVAL 

INDICATOR LIGHTS: 

INDICATOR LIGHTS REFERENCE

Symptom Suspected Area See
Turn indicator light does not come on. 1. Combination Meter Assembly REMOVAL 
2. Turn Signal and Hazard Warning System TURN SIGNAL LIGHT CIRCUITHAZARD WARNING SWITCH CIRCUIT
3. Wire Harness or Connector -
High beam indicator light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Combination Switch ECU -
3. Body ECU -
4. Wire Harness or Connector -
5. Combination Meter Assembly REMOVAL 
CRUISE indicator light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Cruise Indicator Light Circuit PROBLEM SYMPTOMS TABLE
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 
SLIP indicator light does not come on. (*2) 1. LED DATA LIST / ACTIVE TEST 
2. SLIP Indicator Light Circuit SLIP INDICATOR LIGHT REMAINS ON
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 
SLIP indicator light does not go off. (*2) 1. LED DATA LIST / ACTIVE TEST 
2. SLIP Indicator Light Circuit SLIP INDICATOR LIGHT REMAINS ON
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 
VSC indicator light does not come on. (*2) 1. LED DATA LIST / ACTIVE TEST 
2. VSC Warning Light Circuit VSC WARNING LIGHT DOES NOT COME ON
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 
VSC indicator light does not go off. (*2) 1. LED DATA LIST / ACTIVE TEST 
2. VSC Warning Light Circuit VSC WARNING LIGHT REMAINS ON
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 
TAIL (*6)/HEAD (*7) indicator light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Combination Switch ECU -
3. Body ECU -
4. Wire Harness or Connector -
5. Combination Meter Assembly REMOVAL 
WASHER indicator light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Front Controller -
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 
A/T shift indicator light does not come on. 1. LED DATA LIST / ACTIVE TEST 
2. Park/Neutral Position Switch PARK / NEUTRAL POSITION SWITCH
3. Transmission Control Switch Circuit TRANSMISSION CONTROL SWITCH CIRCUIT
4. ECM REMOVAL
5. Wire Harness or Connector -
6. Combination Meter Assembly REMOVAL 
MAINT REQD indicator light does not come on. (*7) 1. LED DATA LIST / ACTIVE TEST 
2. Refer to troubleshooting ON-VEHICLE INSPECTION 
3. Combination Meter Assembly REMOVAL 
Key indicator light does not come on. (*4) 1. LED DATA LIST / ACTIVE TEST 
2. Certification ECU CERTIFICATION ECU POWER SOURCE CIRCUIT
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 
Headlight auto level indicator light does not come on. 1. Headlight auto level ECU INITIALIZATION
2. Wire Harness or Connector -
3. Combination Meter Assembly REMOVAL 
NORM/READY/CRUISE indicator light does not come on. (*5) 1. LED DATA LIST / ACTIVE TEST 
2. Dynamic Laser Cruise Control System DYNAMIC LASER CRUISE CONTROL SYSTEM
3. Wire Harness or Connector -
4. Combination Meter Assembly REMOVAL 

CRUISE INFORMATION AREA: 

CRUISE INFORMATION AREA REFERENCE

Symptom Suspected Area See
Cruise information display dose not turn on. 1. Wire Harness or Connector -
2. ECM -
3. Combination Meter Assembly REMOVAL 

BUZZER: 

BUZZER REFERENCE

Symptom Suspected Area See
Key reminder warning buzzer dose not sound. 1. Combination Meter Assembly REMOVAL 
2. Refer to troubleshooting (*3) PROBLEM SYMPTOMS TABLE
3. Refer to troubleshooting (*4) THEFT DETERRENT SYSTEM
4. Wire Harness or Connector -
Seat belt warning buzzer dose not sound. 1. Combination Meter Assembly REMOVAL 
2. Front Seat Inner Belt Assembly -
3. Wire Harness or Connector -

ACCESSORY METER ASSEMBLY: 

ACCESSORY METER ASSEMBLY REFERENCE

Symptom Suspected Area See
Outside temperature/Trip time/Average dose not display 1. Wire Harness or Connector -
2. A/C Control ECU PROBLEM SYMPTOMS TABLE
3. Combination Meter Assembly REMOVAL 
4. Accessory meter Assembly -

*1: without VSC

*2: with VSC

*3: without Smart Key System

*4: with Smart Key System

*5: with Dynamic Laser Cruise Control System

*6: Except U.S.A.

*7: U.S.A.

HINT:

Refer to on-vehicle inspection in the combination meterON-VEHICLE INSPECTION .