{"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":57,"pages_in_section":105,"title":"Troubleshooting 2JZ-GE","section_header":"Engine — 2JZ-GE Engine Troubleshooting","ocr_text":"EG-437\n\nENGINE — 2JZ-GE ENGINE TROUBLESHOOTING\n\n2  Check sub heated oxygen sensor heater.\n\nP  Disconnect sub heated oxygen sensor connector.\n(See page EG–250)\n\nC  Measure resistance between terminals 1 and 2 of\nsub heated oxygen sensor connector.\n\nOK  Resistance: 11 — 16 Ω at 20°C (68°F)\n\nP11483\n\nOK                    NG  Replace sub heated oxygen sensor.\n\n3  Check for open and short in harness and connector between EFI main relay and\nengine control module (See page IN–30).\n\nOK                    NG  Repair or replace harness or connector.\n\nCheck and replace engine control module.\n\n4  Check voltage between terminal HT3 of engine control module connector and\nbody ground.\n\nSST\nECM\n\nA 36\n\nHT3\n\nFI6891\n\nP  Warm up engine to normal operating temperature.\n\nC  Measure voltage between terminal HT3 of engine\ncontrol module connector and body ground, when\nengine is idling and racing at 3,500 rpm.\n\nOK\n                          Voltage\nIdling              0 V\nRacing at 3,500 rpm    9 — 14 V\n\nNG                    OK  Replace sub heated oxygen sensor.\n\nCheck and replace engine control module.\n\n*: It is probable the oxygen sensor has\ndeteriorated.\nUsually, this cannot be confirmed by 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