{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"ATTE","section_name":"A340 Automatic Trans (GTE)","page":79,"pages_in_section":118,"title":"Dtc 61 No.2 Vehicle Speed Sensor Circuit","section_header":"A340E (2JZ—GTE) Automatic Transmission — Troubleshooting","ocr_text":"AT2–79\nA340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING\n\nDTC 61 No.2 Vehicle Speed Sensor Circuit\n\nCIRCUIT DESCRIPTION\n\nThe No. 2 vehicle speed sensor detects the rotation speed of the transmission output shaft and sends\nsignals to the ECM. The ECM determines the vehicle speed based on these signals. An AC voltage\nis generated in the No.2 vehicle speed sensor coil as the rotor mounted on the output shaft rotates,\nand this voltage is sent to the ECM.\nThe gear shift point and lock–up timing are controlled by the ECM based on the signals from this vehicle\nspeed sensor and the throttle position sensor signal.\nIf the No.2 vehicle speed sensor malfunctions, the ECM uses input signals from the No.1 vehicle speed\nsensor as a back–up signal.\n\nRotor\nNo.2 Vehicle Speed Sensor\nN S\nECM\n\n+V\nGenerated\nWaveform\nOutput Voltage\n0\n–V\n\nRotor\nNo.2 Vehicle Speed Sensor\n\nAT5605\nAT5598 G04362\n\nDTC No. | Diagnostic Trouble Detection Condition | Trouble Area\n\n61\nAll conditions below are detected. (2 trips\ndetection logic)*\n(a) No No.2 vehicle speed sensor signal in 4\npulses of No. 1 vehicle speed sensor\nsignal.\n(b) Vehicle speed: 9 km/h (5.6 mph) or more\nfor 4 secs. or more.\n(c) Park/neutral position switch:\nOFF (Other than P or N position)\n\nNo. 2 vehicle speed sensor\nHarness or connector between No.2\nvehicle speed sensor and ECM\nECM\n\n*: See page AT2–58\n<Reference>\nWaveform between terminals SP2+ and SP2– when vehicle speed is approx. 60 km/h (37 mph).\n\n0 V\n5 V/division\n2 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}