Page text (OCR transcript)
EG–497
ENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING
Trouble Area | Malfunction Indicator Lamp*1 | Memory*2 | See page
Normal Mode | Test Mode
• Open or short in heater circuit of main heated oxygen sensor
• Main heated oxygen sensor heater
• ECM
ON | N.A.
• Main heated oxygen sensor circuit
• Main heated oxygen sensor
ON | ON | ○ | EG–525
• Open or short in engine coolant temp. sensor circuit
• Engine coolant temp. sensor
• ECM
ON | ON | ○ | EG–530
• Open or short in intake air temp. sensor circuit
• Intake air temp. sensor
• ECM
ON | ON | ○ | EG–532
• Open or short in Main heated oxygen sensor circuit
• Main heated oxygen sensor
• Ignition system
• ECM
• Onen or short in injector circuit
• Fuel line pressure (injector leak, blockage)
• Mechanical system malfunction (skipping teeth of timing belt)
• Ignition system
• Compression pressure (foreign object caught in valve)
• Mass air flow meter (air intake)
• ECM
ON | ON | ○ | EG–534
*1, 2: See page EG–502
