TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System68 / 116
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Inspection of resume/accel switch circuit. — MK3 Supra Body Electrical System, page 68
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C Inspection of resume/accel switch circuit. Turn ignition switch off. CONTROL SWITCH INSPECT GROUND CONNECTION Disconnect connector from control switch. Is there continuity between terminal **4 of wire harness side connector and body ground ? No → • Open circuit in wire harness between terminal *3 or **4 and body ground. • Body ground faulty. Yes ↓ INSPECT RESUME/ACCEL SWITCH OPERATION Is resume/accel switch operation normal ? (See page BE-81) No → Replace control switch. Yes ↓ Connect connector to control switch. COMPUTER Disconnect connector from computer and inspect connector on wire harness side as follows. INSPECT RESUME/ACCEL SWITCH CIRCUIT Is resistance value about 68 Ω between terminal 17 and body ground with resume /accel switch pushed on ? No → Open or short circuit in wire harness between terminal 17 of computer and terminal *4 or **1 of control switch. Yes ↓ Replace computer. *: U.S.A. (w/ Airbag system) **: CANADA (w/o Airbag system)