{"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":63,"pages_in_section":105,"title":"Inspection Procedure","section_header":"Engine — 2JZ-GE Engine Troubleshooting","ocr_text":"INSPECTION PROCEDURE\nHINT:\n• If diagnostic trouble code \"22\" (engine coolant temperature sensor circuit), \"24\" (intake air temperature sensor circuit) and \"41\" (throttle position sensor circuit) are output simultaneously, E2 (sensor ground) may be open.\n\n1  Check voltage between VTA1, IDL1 and E2 of engine control module connector.\n\nP  (1) Connect SST (check harness \"A\").\n(See page EG-404)\nSST 09990-01000\n(2) Turn ignition switch ON.\n(3) Disconnect the vacuum hose from the throttle body, then apply vacuum to the throttle opener.\n(See page EG-219)\n\nC  Measure voltage between terminals VTA1, IDL1 and E2 of engine control module connector when the throttle valve is opened gradually from the closed condition.\n\nOK\nTerminal          VTA1 - E2     IDL1 - E2\nThrottle Valve\nFully Closed      0.3 - 0.8 V   0 - 3.0 V\nFully Open        3.2 - 4.9 V   9 - 14 V\n\nHint  The voltage should increase steadily in proportion to the throttle valve opening angle.\n\nON\nSST\nECM\nB 43, 65, 64\nVTA1\nE2\nIDL1\n\nBE6653\nFI6911\n\nNG\n\nOK  Check for intermittent problems.\n(See page 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