TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical System81 / 116
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BODY ELECTRICAL SYSTEM — Cruise Control System — MK3 Supra Body Electrical System, page 81
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Main & Control Switch (U.S.A.) INSPECTION OF MAIN & CONTROL SWITCH INSPECT SWITCH OPERATION (a) Push the main switch ON, and check that there is continuity between terminals 3 and 5. (b) Push the main switch OFF, and check that there is no continuity between terminals 3 and 5. If operation is not as specified, replace the switch. INSPECT SWITCH RESISTANCE Inspect the switch resistance value between terminals 3 and 4 at each switch position. Switch position Resistance value (Ω) RESUME/ACCEL 68 SET/COAST 198 CANCEL 418 If resistance value is not as specified, replace the switch. Main Switch (CANADA) INSPECTION OF MAIN SWITCH INSPECT SWITCH OPERATION (a) Turn the main switch ON, and check that there is continuity between terminals 1 and 2. (b) Turn the main switch OFF, and check that there is no continuity between terminals 1 and 2. If operation is not as specified, replace the switch. Control Switch (CANADA) INSPECTION OF CONTROL SWITCH INSPECT SWITCH RESISTANCE Inspect the switch resistance value between terminals 1 and 4 at each switch position. Switch position Resistance value (Ω) RESUME/ACCEL 68 SET/COAST 198 CANCEL 418 If resistance value is not as specified, replace the switch. Main Relay INSPECTION OF MAIN RELAY