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FUEL INJECTOR EC-1205 < DTC/CIRCUIT DIAGNOSIS > [MR EXCEPT FOR NISMO RS MODELS] C D E F G H I J K L M A EC N P O 4. Also check harness for short to ground. YES >> GO TO 3. NO >> Repair or replace error-detected parts. 3. CHECK FUEL INJECTOR DRIVER POWER SUPPLY 1. Reconnect ECM harness connector. 2. Turn ignition switch ON. 3. Check the voltage between ECM harness connector and ground. Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" NO >> GO TO 4. 4. CHECK FUEL INJECTOR DRIVER POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Disconnect fuel injector relay harness connector. 4. Check the continuity between ECM harness connector and fuel injector relay harness connector. 5. Also check harness for short to ground. YES >> GO TO 5. NO >> Repair or replace error-detected parts 5. CHECK FUEL INJECTOR RELAY POWER SUPPLY (CONTACT SIDE) Check the voltage between fuel injector relay harness connector and ground. Is the inspection result normal? YES >> GO TO 6. Fuel injector ECM Continuity Cylinder Connector Terminal Connector Terminal 1 F65 1 F23 1 Existed 2 F66 1 7 3 F67 1 4 F68 1 1 + − Voltage ECM Connector Terminal F23 4 Ground Battery voltage 5 ECM Fuel injector relay Continuity Connector Terminal Connector Terminal F23 4 E57 5 Existed 5 7 + − Voltage Fuel injector relay Connector Terminal E57 3 Ground Battery voltage 6 |