{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"FI","section_name":"EFI System","page":39,"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\n4 | THW — E₂ | No voltage | Ignition switch ON | Coolant temperature 80°C (176°F) | 0.1 — 0.5 V\n\n[Circuit diagram showing Water Temp. Sensor connected to ECU with terminals +B, THW, E₂, E₁, and ground]\n\nFI4031\n\nVoltmeter | ECU\nTHW | E₂\n\n① There is no voltage between ECU terminals THW and E₂. (IG S/W ON)\n\n② Check that there is voltage between ECU terminal +B and body ground. (IG S/W ON)\n\nOK | NO\n\n③ Check water temp. sensor. | Refer to No. 1.\n\nBAD | OK\n\nReplace water temp. sensor. | Check wiring between ECU and water temp. sensor.\n\nOK | BAD\n\nTry another ECU. | Repair or replace wiring.\n\n[Diagram 2 showing voltmeter connection]\nFI4034\n\n[Diagram 3 showing ohmmeter connection]\nFI4036","image":"https://tsrm.sasquatchvc.com/images/mk2/FI/FI_039.png","url":"https://tsrm.sasquatchvc.com/mk2/tsrm/FI/39","prev":{"page":38,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/FI/38","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/38"},"next":{"page":40,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/FI/40","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/FI/40"},"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."}