TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical Systems33 / 203
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TROUBLESHOOTING — MK4 Supra Body Electrical Systems, page 33
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BE–33 BODY ELECTRICAL SYSTEM – STOP LIGHT SYSTEM 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. Trouble | Parts name | (See page) Stop light does not light up 1. STOP Fuse (BE–6) 2. Stop Light Switch (BE–33) 3. Wire Harness 4. Bulb Stop light remains always on 1. Stop Light Switch (BE–33) 2. Wire Harness Only one light does not light up 1. Wire Harness 2. Bulb STOP LIGHT SWITCH INSPECTION INSPECT SWITCH CONTINUITY Switch position | Tester connection to terminal number | Specified condition Switch pin free (Pedal depressed) | 1–2 | Continuity Switch pin pushed in (Pedal released) | 3–4 | Continuity If continuity is not as specified, replace the switch. N09044