TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical Systems24 / 203
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TROUBLESHOOTING — MK4 Supra Body Electrical Systems, page 24
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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