{"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":52,"pages_in_section":116,"title":"Body Electrical System","section_header":"Body Electrical System — Door Lock Control System","ocr_text":"BE-52\t\tBODY ELECTRICAL SYSTEM — Door Lock Control System\n\nCheck For\tTester Connection\tCondition\tSpecified Value\n\nContinuity\t2 — Body ground\tLH door opened\tContinuity\n\t\tLH door closed\tNo continuity\n\nVoltage\t8 — Body ground\t\tBattery voltage\n\n\t10 — Body ground\tTurn the following switches, one by one to lock\n• Control switch\t• LH door key switch\n• RH door key switch\tContinuity\n\n\t\tTurn the following switches, one by one to except lock\n• Control switch\t• LH door key switch\n• RH door key switch\tNo continuity\n\n\t14 — Body ground\tRH door opened\tContinuity\n\t\tRH door closed\tNo continuity\n\nContinuity\t6 — Body ground\tLH door lock switch to unlock\tContinuity\n\t\tLH door lock switch to lock\tNo continuity\n\n\t16 — Body ground\t\tContinuity\n\n\t5 — Body ground\tRH door lock switch to unlock\tContinuity\n\t\tRH door lock switch to lock\tNo continuity\n\n\t7 — Body ground\tSet the ignition key switch\tContinuity\n\t\tRemove the ignition key switch\tNo continuity\n\n\t11 — Body ground\tTurn the following switches, one by one to unlock\n• Control switch\t• LH door key switch\n• RH door key switch\tContinuity\n\n\t\tTurn the following switches, one by one to except unlock\n• Control switch\t• LH door key switch\n• RH door key switch\tNo continuity\n\n(b)\tConnect the positive (+) lead from the battery to terminal 4 and the negative (—) lead to terminal 3. Check that the solenoids operate lock direction. Then, reverse the polarity, check that the solenoids operate unlock direction. If any of the solenoids does not operate, remove and test the solenoid.\n\nIf circuit operation is correct, replace the relay.\n\nDoor Lock Solenoid\n\nINSPECTION OF DOOR LOCK SOLENOID\n\nINSPECT SOLENOID OPERATION\n\n(a)\tConnect the positive (+) lead from the battery to terminal 3 and the negative (—) lead to terminal 4. Check that the solenoid operates in the unlock direction.\n\n(b)\tCheck that there is continuity between terminals 1 and 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