TSRM/MK4 Supra/Repair Manual
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BE/Body Electrical Systems — Troubleshooting, page 41

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Troubleshooting — MK4 Supra Body Electrical Systems, page 41
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Page text (OCR transcript)
TROUBLESHOOTING
The table below will be useful for you in troubleshooting these electrical problems. The most likely causes of the malfunction are shown in the order of their probability. Inspect each part in the order shown, and replace the part when it is found to be faulty.
METER, GAUGES AND ILLUMINATION

Trouble | Parts name | (See page)

Tachometer, Fuel Gauge and Engine Coolant Temperature Gauge do not operate
1. GAUGE Fuse (BE–6)
2. Meter Circuit Plate (BE–44)
3. Wire Harness

Speedometer does not operate
1. Vehicle Speed Sensor (BE–46)
2. Meter Circuit Plate (BE–44)
3. Wire Harness

Tachometer does not operate
1. Igniter
2. ECM (EG Section)
3. Meter Circuit Plate (BE–44)
4. Wire Harness

Fuel Gauge does not operate or abnormal operation
1. Fuel Receiver Gauge (BE–48)
2. Fuel Sender Gauge (BE–49)
3. Meter Circuit Plate (BE–44)
4. Wire Harness

Engine Coolant Temperature Gauge does not operate or abnormal operation
1. Engine Coolant Temperature Receiver Gauge (BE–50)
2. Engine Coolant Temperature Sender Gauge (BE–50)
3. Meter Circuit Plate (BE–44)
4. Wire Harness

All illumination lights do not light up
1. TAIL Fuse (BE–6)
2. Light Control Rheostat (BE–54)
3. Meter Circuit Plate (BE–44)
4. Wire Harness

Only one illumination light does not light up
1. Bulb
2. Meter Circuit Plate (BE–44)