TSRM/MK4 Supra/Repair Manual
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BE/Body Electrical Systems — Troubleshooting, page 24

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Troubleshooting — MK4 Supra Body Electrical Systems, page 24
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Page text (OCR transcript)
BE–24
BODY ELECTRICAL SYSTEM – FOG 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)

Fog light does not light with light control SW HEAD
(Headlight is normal).
1. HEAD Fuse (BE–5)
2. Fog Light Relay (BE–25)
3. Fog Light Switch (BE–24)
4. Wire Harness

Fog light does not light with light control SW HEAD
(Headlight does not light).
1. Inspect Headlight system (BE–10)
2. Wire Harness

Only one light does not light.
1. Bulb
2. Wire Harness

Fog Light Adjust Screw
N08925

FOG LIGHT AIM ADJUSTMENT

Adjust Screw: Vertical Direction

ON

FOG LIGHT SWITCH INSPECTION

INSPECT SWITCH CONTINUITY

Switch position | Tester connection to terminal number | Specified condition
OFF | – | No continuity
ON | A6–A7 | Continuity

If continuity is not as specified, replace the switch.

6  5  4       3  2  1
14 13 12 11 10  9  8  7

Connnector "A"

N08902
N08922
209368