{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"AT","section_name":"Automatic Transmission","page":13,"pages_in_section":120,"title":"Trouble No. 2 No shifting","section_header":"Automatic Transmission — Electric Control","ocr_text":"AUTOMATIC TRANSMISSION — Electric Control                                AT-13\n\nTrouble No. 2      No shifting\n\nWarm up engine\nCoolant temp:    80°C (176°F)\nATF temp:        50 ~ 80°C (122 ~ 176°F)\n\nOutput diagnostic code                                    Diagnosis code ——> Proceed to trouble No. 1 (AT-12)\n(See page AT-8)\n           |\n           No indicate\n           |\nConnect a voltmeter to the DG\nterminal and body.\nDoes DG terminal voltage vary with changes\nin throttle opening?\n           |\n          Yes                                No\n           |                                  |\n           |                    Is voltage between ECT ECU terminals                No ——> Brake signal\n           |                    BR and GND as follows?                                    faulty\n           |                    OV: Brake pedal released\n           |                    12V: Brake pedal depressed\n           |                                  |\n           |                                 Yes\n           |                                  |\n           |                    •    Computer power source and earth faulty\n           |                    •    Throttle position signal faulty\n           |                    •    DG terminal wire open or short\n           |\n           |\nDisconnect ECT ECU connector and road test.                      No\nDoes the transmission operate in the respective        ———————————————> Transmission faulty\ngear when in the following ranges while driving?\nD range ...... Overdrive\n2 range ...... 3rd gear\nL range ...... 1st gear\n           |\n          Yes\n           |\nContinued on page 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