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POWER SUPPLY AND GROUND CIRCUIT EC-547 < COMPONENT DIAGNOSIS > [VQ40DE] C D E F G H I J K L M A EC N P O 3. Also check harness for short to power. OK or NG OK >> GO TO 7. NG >> GO TO 6. 6. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit or short to power in harness or connectors. 7. CHECK ECM POWER SUPPLY CIRCUIT-II 1. Reconnect ECM harness connector. 2. Turn ignition switch ON. 3. Check voltage between IPDM E/R connector E119 terminal 3 OK or NG OK >> Go to . NG >> GO TO 8. 8. CHECK ECM POWER SUPPLY CIRCUIT-III 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON and then OFF. 3. Check voltage between ECM terminals 119, 120 and ground OK or NG OK >> GO TO 13. NG (Battery voltage does not exist.)>>GO TO 9. 11. 9. CHECK ECM POWER SUPPLY CIRCUIT-IV Check voltage between ECM terminal 111 and ground with CON- OK or NG OK >> GO TO 10. NG >> GO TO 11. 10. CHECK ECM POWER SUPPLY CIRCUIT-V 1. Disconnect ECM harness connector. 2. Disconnect IPDM E/R harness connector E119. Voltage: Battery voltage PBIB2569E Voltage: After turning ignition switch OFF, battery PBIB1630E Voltage: Battery voltage PBIB1191E |