TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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TGE/Troubleshooting 2JZ-GE9 / 105
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ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING — MK4 Supra Troubleshooting 2JZ-GE, page 9
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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