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IGNITION SIGNAL EC-481 < DTC/CIRCUIT DIAGNOSIS > [VQ35HR] C D E F G H I J K L M A EC N P O Is the inspection result normal? YES >> GO TO 2. NO >> Go to 2. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II 1. Turn ignition switch OFF. 2. Disconnect condenser harness connector. 3. Turn ignition switch ON. 4. Check the voltage between condenser harness connector and ground. Is the inspection result normal? YES >> GO TO 5. NO >> GO TO 3. 3. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-III 1. Turn ignition switch OFF. 2. Disconnect IPDM E/R harness connector E7. 3. Check the continuity between IPDM E/R harness connector and condenser harness connector. 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> Go to NO >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit, short to ground or short to power in harness or connectors. 5. CHECK CONDENSER GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Check the continuity between condenser harness connector and ground. 3. Also check harness for short to power. Is the inspection result normal? YES >> GO TO 6. NO >> Repair open circuit or short to power in harness or connectors. ECM Voltage Connector + – Terminal Terminal M107 125 128 Battery voltage Condenser Ground Voltage Connector Terminal F8 1 Ground Battery voltage IPDM E/R Condenser Continuity Connector Terminal Connector Terminal E7 53 F8 1 Existed Condenser Ground Continuity Connector Terminal F8 2 Ground Existed |