{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"TGTE","section_name":"Troubleshooting 2JZ-GTE","page":47,"pages_in_section":113,"title":"Inspection Procedure","section_header":"Engine — 2JZ-GTE Engine Troubleshooting","ocr_text":"INSPECTION PROCEDURE\n\nHINT: If diagnostic trouble codes \"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 terminals THA and E2 of engine control module connector.\n\nON\nSST\nECM\nV\nTHA\nB 45,\n65\nBE6653\nFI6496\nE2\n\nP (1) Connect SST (check harness \"A\").\n(See page EG-510)\nSST 09990-01000\n(2) Turn ignition switch ON\n\nC Measure voltage between terminals THW and E2 of engine control module connector.\n\nOK\nIntake air temp.\n°C (°F) | Voltage\n20 (68) | 0.5 - 3.4 V\n60 (140) | 0.2 - 1.0 V\n\nNG\n\nOK Check for intermittent problems.\n(See page EG-505)\n\n2 Check intake air temp. sensor.\n\nMass Air Flow Meter\n\n4 3\nFI6961\n\nP Disconnect the mass air flow meter connector.\n\nC Measure resistance between terminals 3 and 4 of mass air flow meter connector.\n\nOK Resistance is within Acceptable Zone on chart.\n\nResistance kΩ\n30\n20\n10\n5\n2\n1\n0.6\n0.3\n0.2\n0.1\nAcceptable\n\nIntake air temp.\n°C (°F) | Resistance\n20 (68) | 2 - 3 kΩ\n60 (14) | 0.4 - 0.7 kΩ\n\n-20 0 20 40 60 80 100\n(-4) (32)(68)(104)(140)(176)(212) Temp. °C (°F)\n\nOK\n\nNG Replace intake air temp. sensor (Replace mass air flow meter).\n\n3 Check for open and short in harness and connector between engine control module and intake air temp. sensor (See page IN-30)\n\nOK\n\nNG Repair or replace harness or connector.\n\nCheck and replace engine control 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