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P0340 CMP SENSOR (PHASE) EC-953 < 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 2. Disconnect camshaft position (CMP) sensor (PHASE) harness connector. 3. Turn ignition switch ON. 4. Check the voltage between CMP sensor (PHASE) harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 3. 3. CHECK SENSOR POWER SUPPLY 2 CIRCUIT Perform EC-1240, "Diagnosis Procedure" Is inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit. NO >> Repair or replace error-detected parts. 4. CHECK CMP SENSOR (PHASE) GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between CMP sensor (PHASE) harness connector and ECM harness connector. 4. Also check harness for short to power. YES >> GO TO 5. NO >> Repair or replace error-detected parts. 5. CHECK CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT 1. Disconnect ECM harness connector. 2. Check the continuity between CMP sensor (PHASE) harness connector and ECM harness connector. 3. Also check harness for short to ground and to power. YES >> GO TO 6. NO >> Repair or replace error-detected parts. 6. CHECK CAMSHAFT POSITION SENSOR (PHASE) Check the camshaft position sensor (PHASE). Refer to EC-954, "Component Inspection" Is the inspection result normal? YES >> GO TO 7. NO >> Replace camshaft position sensor (PHASE). Refer to EM-261, "Removal and Installation" . 7. CHECK CAMSHAFT (INT) Check the following. + − Voltage (Approx.) CMP sensor (PHASE) Connector Terminal F109 1 Ground 5 V + − Continuity CMP sensor (PHASE) ECM Connector Terminal Connector Terminal F109 2 F24 71 Existed + − Continuity CMP sensor (PHASE) ECM Connector Terminal Connector Terminal F109 3 F24 67 Existed |