TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System70 / 116
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BODY ELECTRICAL SYSTEM — Cruise Control System — MK3 Supra Body Electrical System, page 70
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BE-70 BODY ELECTRICAL SYSTEM — Cruise Control System CONTINUED FROM PREVIOUS PAGE COMPUTER Disconnect connector from computer and inspect connector on wire harness side as follows. INSPECT STOP LIGHT SWITCH CIRCUIT Is there continuity between terminals 2 and 14 with stop light switch released? No Open circuit in wire harness between terminals 2 and 14 of computer. Yes Is there continuity between terminals 2 and 14 with stop light switch depressed? Yes Short circuit in wire harness between terminals 2 and 14 of computer. No Is there continuity between terminals 4 and 14? No Open circuit in wire harness between terminals 4 and 14 of computer. Yes Replace computer.