
EG–389
ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING
If a malfunction code is displayed during the diagnostic trouble code check in test mode, check the circuit for that code listed in the table below (Proceed to the page given for that circuit).
Trouble Area | Malfunction Indicator Lamp*1 | Memory*2 | See page
Normal Mode | Test Mode
• Open or short in NE, G circuit
• Distributor
• Open or short in STA circuit
• ECM
ON | N.A. | ○ | EG–409
• Open or short in NE circuit
• Distributor
• ECM
ON | N.A.
○ | EG–412
• Open or short in NE circuit
• Distributor
• ECM
N.A. | ON
• Open or short in IGT or IGT circuit from igniter to ECM
• Igniter
• ECM
ON | N.A. | ○ | EG–413
• ECM
ON | N.A. | × | EG–418
• Open or short in heater circuit of main heated oxygen sensor (Fr)
• Main heated oxygen sensor (Fr) heater
• ECM
ON | N.A.
○ | EG–419
• (Main heated*3) oxygen sensor (Fr) circuit
• (Main heated*3) oxygen sensor (Fr)
ON | ON
*1, 2, 3: See page EG–396