{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"AT","section_name":"Automatic Transmission","page":29,"pages_in_section":144,"title":"Inspection of Electronic Control Components","section_header":"Automatic Transmission — Troubleshooting (Electronic Control System)","ocr_text":"AUTOMATIC TRANSMISSION — Troubleshooting (Electronic Control System)     AT-29\n\nINSPECTION OF ELECTRONIC CONTROL COMPONENTS\n\n1. INSPECT VOLTAGE OF ECT ECU CONNECTOR\n(a) Remove the cowl side trim of passenger side.\n(b) Turn on the ignition switch.\n(c) Measure the voltage at each terminal.\n\n[Diagram showing ECT ECU connector with voltmeter]\n\n[Diagram showing ECT ECU connector pinout with terminals labeled:\nS₂  SL  PWR N  OD₁ L₁ L₂\n                        L₃\nS₁                      IDL\n                        DG\nIG  +B BK 2  L GND OD₁ SP₁ SP₂]\n\nTerminal          Measuring condition                                    Voltage (V)\n\nL₁ — GND         Throttle valve fully closed                            12\n                 Throttle valve fully closed to fully open              12 to 0\n                 Throttle valve fully open                              0\n\nL₂ — GND         Throttle valve fully closed                            12\n                 Throttle valve fully closed to fully open              12 to 0 to 12\n                 Throttle valve open                                    12\n\nL₃ — GND         Throttle valve fully closed                            12\n                 Throttle valve fully closed to fully open              12 to 0 to 12 to 0 to 12\n                 Throttle valve open                                    12\n\nIDL — GND        Throttle valve fully closed                            0\n                 Throttle valve opening above 1.5°                      12\n\nSP₁ — GND        Cruise control       Standing still                    5 or 0\n                 main switch OFF      Engine running, vehicle moving    2.5\n\nBK — GND         When brake pedal is depressed                          12\n                 When brake pedal is not depressed                      0\n\n2 — GND          \"2\" range                                              10 ~ 16\n                 Except \"2\" range                                       0 ~ 2\n\nL — GND          \"L\" range                                              10 ~ 16\n                 Except \"L\" range                                       0 ~ 2\n\nN — GND          \"N\" range                                              10 ~ 16\n                 Except \"N\" range                                       0 ~ 2","image":"https://tsrm.sasquatchvc.com/images/mk3/AT/AT_029.png","url":"https://tsrm.sasquatchvc.com/mk3/tsrm/AT/29","prev":{"page":28,"url":"https://tsrm.sasquatchvc.com/mk3/tsrm/AT/28","api":"https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/28"},"next":{"page":30,"url":"https://tsrm.sasquatchvc.com/mk3/tsrm/AT/30","api":"https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/30"},"section_url":"https://tsrm.sasquatchvc.com/mk3/tsrm/AT","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/1","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/2","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/3","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/4","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/5","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/6","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/7","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/8","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/9","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/10","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/11","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/12","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/13","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/14","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/15","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/16","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/17","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/18","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/19","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/20","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/21","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/22","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/23","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/24","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/25","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/26","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/27","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/28","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/29","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/30","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/31","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/32","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/33","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/34","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/35","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/36","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/37","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/38","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/39","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/40","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/41","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/42","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/43","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/44","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/45","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/46","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/47","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/48","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/49","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/50","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/51","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/52","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/53","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/54","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/55","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/56","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/57","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/58","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/59","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/60","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/61","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/62","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/63","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/64","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/65","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/66","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/67","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/68","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/69","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/70","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/71","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/72","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/73","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/74","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/75","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/76","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/77","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/78","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/79","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/80","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/81","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/82","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/83","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/84","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/85","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/86","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/87","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/88","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/89","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/90","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/91","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/92","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/93","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/94","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/95","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/96","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/97","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/98","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/99","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/100","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/101","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/102","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/103","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/104","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/105","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/106","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/107","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/108","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/109","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/110","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/111","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/112","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/113","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/114","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/115","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/116","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/117","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/118","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/119","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/120","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/121","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/122","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/123","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/124","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/125","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/126","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/127","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/128","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/129","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/130","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/131","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/132","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/133","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/134","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/135","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/136","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/137","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/138","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/139","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/140","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/141","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/142","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/143","https://tsrm.sasquatchvc.com/api/pages/mk3/tsrm/AT/144"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}