{"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":46,"pages_in_section":118,"title":"Time Lag Test","section_header":"A340E (2JZ—GTE) Automatic Transmission — Troubleshooting","ocr_text":"AT2–46\nA340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING\n\nTIME LAG TEST\nWhen the shift lever is shifted while the engine is idling, there will be a certain time lapse or lag before the\nshock can be felt. This is used for checking the condition of the O/D direct clutch, forward clutch, direct\nclutch, and first and reverse brake.\nNOTICE:\n• Do the test at normal operating fluid temp. 50–80°C (122–176°F).\n• Be sure to allow 1 minute interval between tests.\n• Take 3 measurements and take the average value.\nMEASURE TIME LAG\n(a) Fully apply the parking brake\n(b) Start the engine and check idle speed.\nIdle speed:\n650±50 rpm (In N position and air conditioner OFF)\n(c) Shift the shift lever from N to D position. Using a stop watch, measure the time it takes from shifting the\nlever until the shock is felt.\nIn same manner, measure the time lag for N → R.\nTime lag:\nN → D Less than 1.2 seconds\nN → R Less than 1.5 seconds\n\nShock Noise\n50 – 80°C\n(122\n176°F)\nR\nN\nD\nShock 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}