{"model":"mk4","model_name":"MK4 Supra","vehicle":"Toyota Supra A80 (1993–2002, 2JZ-GE / 2JZ-GTE)","document":"Repair Manual","section":"SFGE","section_name":"SFI System 2JZ-GE","page":65,"pages_in_section":71,"title":"Oxygen Sensor Inspection","section_header":"Engine — SFI System (2JZ-GE)","ocr_text":"EG–251\nENGINE – SFI SYSTEM (2JZ–GE)\n\nOXYGEN SENSOR INSPECTION\n1. INSPECT OPERATION OF SUB HEATED OXYGEN\nSENSOR\n(See circuit inspection in Engine Troubleshooting)\n\n2. INSPECT HEATER RESISTANCE OF SUB HEATED\nOXYGEN SENSOR\n(a) Remove the driver's seat.\n(b) Take out the console box side of the floor carpet.\n(c) Disconnect the oxygen sensor connector.\n(d) Using an ohmmeter, measure the resistance between the\nterminals +B and HT.\nResistance:\nAt 20˚C (68˚F) 11–16 Ω\nIf the resistance is not as specified, replace the sensor.\nTorque: 20 N·m (200 kgf·cm, 14 ft·lbf)\n(e) Reconnect the oxygen sensor connector.\n(f) Reinstall the floor carpet.\n(g) Reinstall the driver's seat.\n\nOhmmeter\n+ 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