
EG–391
ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING
Trouble Area | Malfunction Indicator Lamp*1 | Memory*2 | See page
Normal Mode | Test Mode
• Open or short in engine coolant temp. sensor circuit
• Engine coolant temp. sensor
• ECM
ON | ON | ○ | EG–424
• Open or short in intake air temp. sensor circuit
• Intake air temp. sensor
• ECM
ON | ON | ○ | EG–426
• Open or short in (main heated*3) oxygen sensor circuit
• (Main heated*3) oxygen sensor
• Ignition system
• ECM
• Open 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)
• Volume air flow meter (air intake)
• ECM
ON | ON | ○ | EG–428
• Open 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)
• Volume air flow meter (air intake)
• ECM
*1, 2, 3: See page EG–396.