
EG–393
ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING
Trouble Area | Malfunction Indicator Lamp*1 | Memory*2 | See page
Normal Mode | Test Mode
• 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
• Open or short in heater circuit of sub heated oxygen sensor
• Sub heated oxygen sensor
• ECM
ON | N.A.
• Open or short in sub heated oxygen sensor circuit
• Sub heated oxygen sensor
• ECM
ON | ON | ○ | EG–434
• Open or short in heater circuit of main heated oxygen sensor (Rr)
• Main heated oxygen sensor (Rr) heater
• ECM
ON | N.A.
• (Main heated*3) oxygen sensor (Rr) circuit
• (Main heated*3) oxygen sensor (Rr)
ON | ON | ○ | EG–419
*1, 2, 3: See page EG–396.