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Home >> Toyota >> 2002 >> MR2 C56 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Troubleshooting >> Problem Symptoms

Problem Symptoms

Combination Meter - Meter, Gauges and Illumination

Symptom/Suspect Areas See
Tachometer, Fuel Gauge & Coolant Temperature Gauge Inoperative
RADIO2 Fuse INSTRUMENT PANEL JUNCTION & RELAY BLOCKS
GAUGE Fuse INSTRUMENT PANEL JUNCTION & RELAY BLOCKS
Meter Circuit CIRCUIT  & INSPECTION 
Wire Harness .....
Speedometer Inoperative
Vehicle Speed Sensor INSPECTION Steps  1 &  2
ABS ECU SELF-DIAGNOSTIC SYSTEM
Meter Circuit CIRCUIT 
Wire Harness .....
Tachometer Inoperative
ECM HOW TO PROCEED WITH TROUBLESHOOTING
Meter Circuit CIRCUIT , INSPECTION Steps  3 &  4
Wire Harness .....
Fuel Gauge Does Not Operate/Abnormal Operation
Fuel Sender Gauge INSPECTION Steps  57
Meter Circuit CIRCUIT 
Wire Harness .....
Coolant Temperature Gauge Inoperative/Abnormal Operation
Coolant Temperature Receiver Gauge INSPECTION Step  8
ECM HOW TO PROCEED WITH TROUBLESHOOTING
Meter Circuit CIRCUIT 
Wire Harness .....
All Illumination Lights Do Not Light Up
Light Control Switch Step 1 Under INSPECTION
TAIL1 Fuse INSTRUMENT PANEL JUNCTION & RELAY BLOCKS
Light Control Rheostat INSPECTION Step  20
Meter Circuit CIRCUIT 
Wire Harness .....
Only One Illumination Light Does Not Light Up
Bulb .....
Meter Circuit CIRCUIT 
Combination Meter - Warning Lights

Symptom/Suspect Areas See
Warning Lights Do Not Light Up (Except Discharge & Door Open)
LED .....
IGN Fuse INSTRUMENT PANEL JUNCTION & RELAY BLOCKS
Ignition Switch INSPECTION Step 1
Meter Circuit CIRCUIT 
Generator INSPECTION
Wire Harness .....
Brake Warning Light Does Not Light Up
LED .....
Brake Fluid Level Warning Switch INSPECTION Step  12
Parking Brake Switch INSPECTION Step  13
Daytime Running Light Relay (Main) INSPECTION Step 5
Meter Circuit CIRCUIT 
Wire Harness .....
Seat Belt Warning Light Does Not Light Up
LED .....
Seat Belt Buckle Switch INSPECTION Step 2 (Driver) or  18 (Passenger)
Body Control System HOW TO PROCEED WITH TROUBLESHOOTING
Meter Circuit CIRCUIT 
Wire Harness .....
Low Oil Pressure Warning Light Does Not Light Up
LED .....
ECM SELF-DIAGNOSTIC SYSTEM
Oil Pressure Warning Switch INSPECTION Steps  9 &  10
Meter Circuit CIRCUIT 
Wire Harness .....
Door Open Warning Light Does Not Light Up
LED .....
DOME Fuse INSTRUMENT PANEL JUNCTION & RELAY BLOCKS
Door Courtesy Switch INSPECTION Step 2
Body Control System HOW TO PROCEED WITH TROUBLESHOOTING
Meter Circuit CIRCUIT 
Wire Harness .....
Combination Meter - Indicator Lights

Symptom/Suspect Areas See
SRS Indicator Does Not Light Up
LED .....
Airbag Sensor Assembly DIAGNOSTICS
Meter Circuit CIRCUIT 
Wire Harness .....
PS Indicator Light Does Not Light Up
LED .....
Vane Pump Assembly W/Motor INSPECTION
Meter Circuit CIRCUIT 
Wire Harness .....
ABS Indicator Does Not Light Up
LED .....
ABS ECU TEST B: ABS WARNING LIGHT CIRCUIT
Meter Circuit CIRCUIT 
Wire Harness .....
Malfunction Indicator Light Does Not Light Up
LED .....
ECM MALFUNCTION INDICATOR LIGHT INSPECTION
Wire Harness .....
Turn Indicator Light Does Not Light Up
Bulb .....
Turn Signal & Hazard Warning System TURN SIGNAL AND HAZARD WARNING SYSTEM Table Under PROBLEM SYMPTOMS
Meter Circuit CIRCUIT 
Wire Harness .....
High Beam Light Does Not Light Up
Bulb .....
Headlight & Taillight System HEADLIGHT AND TAILLIGHT SYSTEM Table Under PROBLEM SYMPTOMS
Meter Circuit CIRCUIT 
Wire Harness .....
Clock System (In Heater Control Panel)

Symptom See
Clock Will Not Operate TROUBLE SHOOTING, Step  1
Clock Loses Or Gains Time TROUBLE SHOOTING, Step  2