{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"FI","section_name":"EFI System","page":40,"pages_in_section":80,"title":"EFI System","section_header":"EFI System — Troubleshooting for EFI Electronic Circuit with Volt/Ohmmeter","ocr_text":"EFI SYSTEM — Troubleshooting for EFI Electronic Circuit with Volt/Ohmmeter\n\nNo. | Terminals | Trouble | Condition | STD Voltage\n5 | STA — E₁ | No voltage | Ignition switch ST position | 6 — 12 V\n\n[Circuit Diagram showing:\nBattery connected to Ignition S/W, which connects to (For M/T) Cold Start Injector and Neutral Start S/W (For A/T), then to Starter and Circuit Opening Relay, connecting to ECU with terminals STA and E₁]\n\nFI0740\n\n1. There is no voltage between ECU terminals STA and E₁.\n(IG S/W ST)\n\nVoltmeter → ECU\n[Diagram showing voltmeter connection to ECU at STA terminal]\nCheck starter operation. → OK → Check wiring between ECU and starter terminal 50.\n↓ BAD\n↓ OK → BAD\nRepair or replace\n\nCheck wiring between ECU terminal E₁ and body ground.\n↓ BAD\nRepair or replace\n\nCheck fusible link, battery, wiring and ignition switch. → BAD → Repair or replace\n↓ OK\n\n2. Check that there is voltage at STA (50) terminal of starter.\n(IG S/W ST)     STD voltage:  9 — 11 V\n↓ OK → NO\nCheck starter. | Check wiring between ignition switch ST terminal and starter STA (50) terminal.\n\nFI0760\n\nFI0750\n\nVoltmeter\n[Diagram showing voltmeter connection to Starter at STA (Terminal 50)]","image":"https://tsrm.sasquatchvc.com/images/mk2/FI/FI_040.png","url":"https://tsrm.sasquatchvc.com/mk2/tsrm/FI/40","prev":{"page":39,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/FI/39","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/39"},"next":{"page":41,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/FI/41","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/41"},"section_url":"https://tsrm.sasquatchvc.com/mk2/tsrm/FI","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/1","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/2","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/3","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/4","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/5","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/6","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/7","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/8","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/9","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/10","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/11","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/12","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/13","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/14","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/15","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/16","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/17","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/18","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/19","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/20","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/21","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/22","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/23","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/24","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/25","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/26","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/27","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/28","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/29","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/30","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/31","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/32","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/33","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/34","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/35","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/36","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/37","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/38","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/39","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/40","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/41","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/42","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/43","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/44","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/45","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/46","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/47","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/48","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/49","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/50","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/51","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/52","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/53","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/54","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/55","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/56","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/57","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/58","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/59","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/60","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/61","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/62","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/63","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/64","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/65","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/66","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/67","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/68","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/69","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/70","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/71","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/72","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/73","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/74","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/75","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/76","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/77","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/78","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/79","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/80"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}