TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System57 / 116
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BODY ELECTRICAL SYSTEM — Power Seat — MK3 Supra Body Electrical System, page 57
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Power Seat Relay (Reclining) INSPECTION OF RELAY 1. INSPECT RELAY CONTINUITY (a) Connect the positive (+) lead from ohmmeter to terminal 1 or 2 and the negative (—) lead to terminal 3. Check that there is continuity between terminals. (b) Connect the tester leads in reverse and check that there is no continuity between terminals. (c) Check that there is no continuity between terminals 4 and 5. If continuity is not as specified, replace the relay. 2. INSPECT RELAY OPERATION (a) Connect the positive (+) lead from battery to terminal 1 or 2 and the negative (—) lead to terminal 3. (b) Check that there is continuity between terminals 4 and 5. If operation is not as specified, replace the relay. Power Seat Limit Switch (Reclining) INSPECTION OF LIMIT SWITCH 1. INSPECT NO.1 SWITCH CONTINUITY (a) Check that there is continuity between terminals 1 and 3 when the No.1 switch is ON (free). (b) Check that there is no continuity between terminals 1 and 3 when the No.1 switch is OFF (pushed). If continuity is not as specified, replace the switch. 2. INSPECT NO.2 SWITCH CONTINUITY (a) Check that there is continuity between terminals 2 and 4 when the No.2 switch is ON (free). (b) Check that there is no continuity between terminals 2 and 4 when the No.2 switch is OFF (pushed). If continuity is not as specified, replace the switch.