{"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":45,"pages_in_section":105,"title":"Inspection Procedure","section_header":"Engine — 2JZ-GE Engine Troubleshooting","ocr_text":"EG–425\nENGINE – 2JZ–GE ENGINE TROUBLESHOOTING\n\nINSPECTION PROCEDURE\n\nHINT: If diagnostic trouble codes \"22\" (engine coolant temperature sensor circuit), \"24\" (intake air temperature\n    sensor circuit) and \"41\" (throttle position sensor circuit) are output simultaneously, E2 (sensor ground)\n    may be open.\n\n1  Check voltage between terminals THW and E2 of engine control module con–\n   nector.\n\nON    SST\n      ECM\n\n      B 44,\n        65\n\nE2   THW\nBE6653\nFI6499\n\nP  (1)  Connect SST (check harness \"A\").\n         (See page EG–404)\n   (2)  Turn ignition switch ON.\n\nC  Measure voltage between terminals THW and E2\n   of engine control module connector.\n\nOK\nEngine Coolant Temp.\n°C (°F)                    Voltage\n\n20 (68)\n(Engine is cool)           0.5 – 3.4 V\n\n80 (176)\n(Engine is hot)            0.2 – 1.0 V\n\nNG           OK   Check for intermittent problems.\n                  (See page EG–399)\n\n2  Check engine coolant temp. sensor.\n\nP  Disconnect the engine coolant temp. sensor connector.\n\nC  Measure voltage between terminals.\n\nOK  Resistance is within Acceptable Zone on chart.\n\nResistance kΩ\n30\n20\n\n6\n3\n2\n\n1\n\n0.5\n0.3\n0.2\n\n0.1\n\n        Acceptable\n\nEngine Coolant Temp.\n°C(°F)              Resistance\n\n20 (68)             2 – 3 kΩ\n\n80 (176)            0.2 – 0.4 kΩ\n\n-20  0  20  40  60  80  100\n(-4)  (32)(68)(104)(140)(176)(212)   Temp. °C (°F)\n\nFI4178\n\nOK           NG   Replace engine coolant temp. sensor.\n\n3  Check for open and short in harness and connector between engine control\n   module and engine coolant temp. sensor (see page IN–30).\n\nOK           NG   Repair or replace harness or connector.\n\nCheck and replace engine control 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