TSRM/MK4 Supra/Repair Manual
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BE/Body Electrical Systems — Troubleshooting, page 33

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Troubleshooting — MK4 Supra Body Electrical Systems, page 33
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Page text (OCR transcript)
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.

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