{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"TGE","section_name":"Troubleshooting 2JZ-GE","page":64,"pages_in_section":105,"title":"Check throttle position sensor","section_header":"Engine — 2JZ-GE Engine Troubleshooting","ocr_text":"EG–444\nENGINE – 2JZ–GE ENGINE TROUBLESHOOTING\n\n2  Check throttle position sensor\n\nVacuum\n\n1 (E2)\n2 (IDL1)\n\n3 (VTA1)\nThrottle Opener\n\nP11462\n\nP  (1) Disconnect throttle position sensor connector.\n     (2) Disconnect the vacuum hose from the throttle\n          body, then apply vacuum to the throttle open–\n          er. (See page EG–219)\n\nC  Measure resistance between terminals 3 (VTA1),\n2 (IDL1) and 1 (E2) of throttle position sensor con-\nnector when the throttle valve is opened gradually\nfrom the closed condition.\n\nOK\nTerminal               3 (VTA1) – 1 (E2)   2 (IDL1) – 1 (E2)\nThrottle Valve\nFully Closed           0.3 – 6.3 kΩ        Less than\n                                              0.5 kΩ\nFully Open             2.4 – 11.2 kΩ       1 MΩ or higher\n\nHint  Resistance between terminals 3 (VTA1) and 1 (E2)\nshould increase gradually in accordance with the\nthrottle valve opening angle.\n\nOK                     NG  Adjust or replace throttle position sensor.\n                           (see page EG–223)\n\n3  Check for open and short in harness and connector between engine control\nmodule and throttle position sensor (See page IN30).\n\nOK                     NG  Repair or replace harness or connector.\n\nCheck and replace engine control 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}