TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System95 / 116
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BODY ELECTRICAL SYSTEM — Theft Deterrent System — MK3 Supra Body Electrical System, page 95
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H INSPECTION OF INDICATOR LIGHT CIRCUIT. Turn ignition switch off. COMPUTER Disconnect computer connector and inspect connector on wire harness side as follows. INSPECT INDICATOR LIGHT CIRCUIT Connect the positive lead from the ohmmeter to terminal 2 and negative lead from the ohm- meter to ground. * Is there continuity between terminal 2 and ground? No Open circuit in indicator light circuit. *: This circuit includes the LED. If the circuit shows no continuity, change the positive and negative probes and recheck the circuit. Yes Replace computer. I INSPECTION OF STARTER CUT SYSTEM CIRCUIT. Turn ignition switch off. HINT: If starter does not operate, even when system is cancelled, before checking the circuit, use the key turn the front door lock to the unlock position and recheck starter operation. COMPUTER Disconnect computer connector and inspect connector on wire harness side as follows. INSPECT STARTER CUT SYSTEM CIRCUIT Depress clutch pedal. (M/T only) Is there battery voltage between terminal 13 and ground with ignition switch turned to ST? No Open circuit in starter relay circuit. Yes Replace computer.