{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"FI","section_name":"EFI System","page":27,"pages_in_section":80,"title":"Inspection of Diagnosis Circuit","section_header":"EFI System — Diagnosis System","ocr_text":"INSPECTION OF DIAGNOSIS CIRCUIT\n\nSTOP Fuse\nEFI Fuse\nNo. 1 Main Relay\nFusible Link\nBattery\nIgnition S/W\nCheck Engine Warning Light\nCheck Connector\n\nECU\nBAT\n+B\nM-REL\nW\nIG S/W\nT\nE1\n\n1. Does CHECK ENG. warning light come on when ignition switch is at ON?\nYES System Normal\nNO\n\nDoes CHECK ENG. light come on when ECU terminal W is grounded to the body?\nYES Check wiring between ECU terminal E1 and body ground\nOK Try another ECU\nNO\n\nCheck bulb, fuse and wiring between ECU and ignition switch.\nBAD\nRepair or replace\n\nBAD\nRepair or replace\n\n2. Does CHECK ENG. warning light go OFF when engine is started?\nYES System Normal\nNO\n\nCheck wiring between ECU and CHECK ENG. warning light.\nBAD Repair\nOK\n\nIs there diagnosis code output when service connector is short circuited?\nNO Try another ECU\nYES\n\nDoes CHECK ENG. warning light go out after repair according to malfunction code?\nNO Further repair required\nYES\n\nSystem OK Cancel out Diagnostic 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}