{"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":12,"pages_in_section":113,"title":"Troubleshooting 2JZ-GTE","section_header":"Engine — 2JZ-GTE Engine Troubleshooting","ocr_text":"EG–498\n\nENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING\n\nDTC No. | Number of MIL Blinks | Circuit | Diagnostic Trouble Code Detecting Condition\n\n26\nBE3932\nAir–Fuel Ratio Rich Malfunction\nEngine speed varies by more than 20 rpm over the preceding crank angle period during a period of 25 sec. or more under conditions (a) and (b):\n(2 trip dectection logic)*3\n(a) Engine speed: Below 950 rpm\n(b) Engine coolant temp.: 80°C (176°F) or more\n\n27\nBE3932\nSub Heated Oxygen Sensor Signal\n(1) Open or short in heater circuit of sub heated oxygen sensor for 0.5 sec. or more\n\n(2) Main heated oxygen sensor signal is 0.45 V or more and sub heated oxygen sensor signal is 0.45 V or less under conditions (a) ~ (c):\n(2 trip dectection logic)*3\n(a) Engine coolant temp.: 80°C (176°F) or more\n(b) Engine speed: 1,5000 rpm or more\n(c) Accel. pedal: Fully depressed for 2 sec. or more\n\n31\nBE3933\nMass Air Flow Meter Circuit\nOpen or short in mass air flow meter circuit for 3 sec. or more with engine speed less than 3,000 rpm\n\n34\nBE3933\nTurbo Pressure Malfunction\nAll conditions below are detected continuously for 2 sec. or more:\n(a) Mainfold absolute pressure: 200 kPa (2.0 kgf/cm2, 29 psi) or more\n(b) Thottle valve opening angle: 20° or more\n(c) Engine speed: 2,4000 rpm or more\n\n35\nBE3833\nTurbo Pressure Sensor Circuit\nOpen or short in turbo pressure sensor circuit for 0.5 sec. or more\n\n35\nBE3833\nBarometric Pressure Sensor Circuit\nOpen or short in BARO sensor circuit for 0.5 sec. or more\n\n*3: See page 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}