{"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":12,"pages_in_section":105,"title":"Troubleshooting 2JZ-GE","section_header":"Engine — 2JZ-GE Engine Troubleshooting","ocr_text":"EG–392\n\nENGINE – 2JZ–GE ENGINE TROUBLESHOOTING\n\nDTC No. | Number of MIL Blinks | Circuit | Diagnostic Trouble Code Detecting Condition\n\n26 | [MIL blink pattern] | Air–Fuel Ratio Rich Malfunction |\n(1) Difference of air–fuel ratio feedback compensation value between front (No.1 ~ 3 cylinders) and rear (No.4 ~ 6 cylinders) is more than 15 percentage for 20 sec. or more under conditions(a) and (b):\n(2 trip detection logic)*4\n(a) Engine speed: 2,000 rpm or more\n(b) Engine coolant temp.: Between 60°C (140°F) and 95°C (203°F)\n\n(2) Engine speed varies by more than 15 rpm over the preceding crank angle period during a period o 20 sec. or more under conditions (a) and (b):\n(2 trip detection logic)*4\n(a) Engine speed: 2,000 rpm or more\n(b) Engine coolant temp.: Between 60°C (140°F) and 95°C (203°F)\nBE3932\n\n27*3 | [MIL blink pattern] | Sub 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 oxygen sensor signal is 0.45 V or less under conditions (a) ~ (c):\n(2 trip detection logic)*4\n(a) Engine coolant temp.: 80°C (176°F) or more\n(b) Engine speed: 1,500 rpm or more\n(c) Accel. pedal: Fully depressed for 2 sec. or more\nBE3932\n\n28 | [MIL blink pattern] | (Main heated*3) Oxygen Sensor Signal (Rr) |\n(1)*3 Open or short in heater circuit of main heated oxygen sensor (Rr) for 0.5 sec. or more|\n\n(2) (Main heated*3) oxygen sensor (Rr) signal voltage is reduced to between 0.35 V and 0.70 V for 90 sec. under conditions (a) ~ (d)\n(2 trip detection logic)*4\n(b) Engine coolant temp.: Between 80°C (176°F) and 95°C (203°F)\n(b) Engine speed: 1,500 rpm or more.\n(c) Load driving (Example A/T in Overdrive (5th for M/T), A/C ON, Flat road, 80 km/h (50 mph))\n(d) (Main heated*3) oxygen sensor (Rr) signal voltage: Alternating above and below 0.45 V\nBE3932\n\n*3, 4: See page EG–396, 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