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FUEL INJECTOR EC-1347 < DTC/CIRCUIT DIAGNOSIS > [VQ40DE FOR MEXICO] C D E F G H I J K L M A EC N P O 4. Check voltage between harness connector F44 terminal 3 and ground with CONSULT or tester. 5. Turn ignition switch OFF. 6. Disconnect ECM harness connector. 7. Check harness continuity between harness connector F44 and ECM as follows. Refer to Wiring Diagram. 8. Also check harness for short to ground and short to power. OK >> GO TO 5. NG >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check the following. • Harness connectors E2, F32 • IPDM E/R harness connector E119 • 15 A fuse (No.55) • Harness for open or short between harness connector F44 and fuse • Harness for open or short between harness connector F201 and fuel injector >> Repair open circuit or short to ground or short to power in harness or connectors. 5. CHECK FUNCTION OF FUEL INJECTOR-II Provide battery voltage between harness connector F201 as follows and then interrupt it. Listen to each fuel injector operating sound. OK or NG OK >> GO TO 6. NG >> GO TO 7. 6. CHECK FUNCTION OF FUEL INJECTOR-III 1. Reconnect all harness connector disconnected. 2. Start engine. Voltage: Battery voltage Cylinder Harness connector F44 terminal ECM terminal 1 2 23 3 1 22 5 4 21 Continuity should exist. PBIB2633E Cylinder Harness connector F201 terminal (+) (–) 1 3 2 3 3 1 5 3 4 Operating sound should exist. PBIB2634E |