{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"BE","section_name":"Body Electrical System","page":61,"pages_in_section":121,"title":"Rear Window Defogger Troubleshooting","section_header":"Body Electrical System — Rear Window Defogger","ocr_text":"REAR WINDOW DEFOGGER\nTroubleshooting\n\nProblem | Possible cause | Remedy | Page\nRear window defogger does not work | Circuit breaker OFF | Reset breaker and check for short | BE-4\n | Defogger relay faulty | Check relay | BE-61\n | Defogger switch faulty | Check switch | BE-61\n | Defogger wire broken | Check wires | BE-62\n | Wiring and ground faulty | Repair as necessary |\n\nRear Window Defogger Switch\n\nINSPECTION OF REAR WINDOW DEFOGGER SWITCH\n\nINSPECT SWITCH OPERATION\n(a) Connect the positive (+) lead from the battery to terminal 5. Connect the negative (−) lead to terminal 6.\n(b) Connect an ohmmeter between terminals 2 and 6.\n(c) Check that there is continuity between terminals for 10 − 20 minutes with the switch turned on.\n\nIf operation is not as specified, replace the switch.\n\nRear Window Defogger Relay\n\nINSPECTION OF REAR WINDOW DEFOGGER RELAY\n\n1. INSPECT RELAY CONTINUITY\n(a) Check that the there is continuity between terminals 1 and 3.\n(b) Check that there is no continuity between terminals 2 and 4.\n\nIf continuity is not as specified, replace the relay.\n\n2. INSPECT RELAY OPERATION\nConnect the positive (+) lead from the battery to terminal 1 and connect the negative (−) lead from the battery to terminal 3. Then, check that there is continuity between terminals 2 and 4.\n\nIf operation is not as specified, replace the 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