{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"BE","section_name":"Body Electrical System","page":80,"pages_in_section":116,"title":"Cruise Control Computer Circuit Inspection of Computer Circuit","section_header":"Body Electrical System — Cruise Control System","ocr_text":"BE-80\nBODY ELECTRICAL SYSTEM — Cruise Control System\n\nWire Harness Side\n[Diagram showing connector pins labeled 1|2|3 4|5 6|7|8|9 10|11 12|13|14 15|16|17]\n5-W1\n\nCruise Control Computer Circuit\nINSPECTION OF COMPUTER CIRCUIT\n\nDisconnect the computer connector and inspect the connector on the wire harness side as shown in the chart below.\n\nConnection or\nMeasure Item | Check For | Tester Connection | Condition | Specified Value\n\nStop Fuse | Voltage | 16 - Body ground | Brake pedal depressed | Battery voltage\n\nStop Light Switch | Voltage | 15 - Body ground | Brake pedal released | No voltage\n\nStop Light Switch\nand Release Valve | Resistance | 2 - 14 | Brake pedal released | Approx. 68 Ω\n\nControl Valve | Resistance | 4 - 14 | — | Approx. 30 Ω\n\nMain Relay | Voltage | 10 - Body ground | Turn ignition switch and main switch on | Battery voltage\n\nMain Relay | Voltage | 10 - Body ground | Turn ignition switch or main switch off | No voltage\n\nCruise Control\nIndicator | Voltage | 3 - Body ground | Turn ignition switch on | Battery voltage\n\nCruise Control\nIndicator | Voltage | 3 - Body ground | Turn ignition switch off | No voltage\n\nControl Switch\n(set/coast) | Resistance | 17 - Body ground | Push set/coast switch on | Approx. 198 Ω\n\nControl Switch\n(resume/accel) | Resistance | 17 - Body ground | Push resume/accel switch on | Approx. 68 Ω\n\nControl Switch\n(cancel) | Resistance | 17 - Body ground | Push cancel switch on | Approx. 418 Ω\n\nSpeed Sensor | Continuity | 7 - Body ground | Vehicle moving slowly | 1 pulse each\n40 cm (15.75 in.)\n\nClutch Switch (M/T)\nor Neutral Start\nSwitch (A/T) | Continuity | 11 - Body ground | Clutch pedal depressed or shifted into\n\"N\" range | Continuity\n\nClutch Switch (M/T)\nor Neutral Start\nSwitch (A/T) | Continuity | 11 - Body ground | Clutch pedal released or shifted into\nonly range except \"N\" and \"P\" range | No continuity\n\nParking Brake\nSwitch | Voltage | 12 - Body ground | Disconnect alternator connector and\nignition switch turned on with parking brake lever pulled up | No voltage\n\nParking Brake\nSwitch | Voltage | 12 - Body ground | Disconnect alternator connector and\nignition switch turned on with parking brake lever released. | Battery voltage\n\nVacuum Switch\n(7M-GTE only) | Continuity | 9 - Body ground | Apply vacuum about 170 mmHg\n(0.03 in.Hg, 22.7 kPa) | No continuity\n\nVacuum Switch\n(7M-GTE only) | Continuity | 9 - Body ground | No vacuum | Continuity\n\nVacuum Pump\n(7M-GTE only) | Continuity | 1 - Body ground | — | Continuity\n\nBody Ground | Continuity | 13 - Body ground | — | 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