{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"AT","section_name":"Automatic Transmission","page":12,"pages_in_section":120,"title":"Troubleshooting","section_header":"Automatic Transmission — Electric Control","ocr_text":"TROUBLESHOOTING\n\nNOTE:\n• If diagnostic code No. 42, 61, 62 or 63 occur, the overdrive indicator light will begin to blink immediately to warn the driver. However, an impact or shock may cause the blinking to stop although the code will still be retained in the ECT ECU memory until canceled out.\n• There is no warning for diagnostic code No. 64.\n• In event of a simultaneous malfunction of both speed sensors No. 1 and No. 2, no diagnostic code will appear and fail-safe will not function. However, when driving in \"D\" range, the transmission will not up-shift from first gear regardless of the vehicle speed.\n\nTrouble No. 1     Blinking overdrive indicator light (while driving)\n\nOutput diagnosis code (See page AT-8)\n\nCode No. 42, 61\n• Faulty speed sensor circuit\n• Faulty speed sensor\n\nCode No. 62, 63, 64\n\nDisconnect ECT ECU connector and\nthere is 11 — 15 Ω between connector\nterminal S₁, S₂, S₃ — GND\n\nNo\n• Faulty solenoid circuit\n• Faulty solenoid\n\nYes\n\nTry another ECT 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