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EC-782 < COMPONENT DIAGNOSIS > [VK56DE] P1140, P1145 IVT CONTROL POSITION SENSOR 2. Check harness continuity between intake valve timing control position sensor terminal 1 and ground. 3. Also check harness for short to power. OK or NG OK >> GO TO 6. NG >> GO TO 5. 5. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit or short to power in harness or connectors. 6. CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Disconnect ECM harness connector. 2. Check harness continuity between the following; 3. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 7. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 7. CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR EC-783, "Component Inspection" OK or NG OK >> GO TO 8. NG >> Replace malfunctioning intake valve timing control position sensor. 8. CHECK CRANKSHAFT POSITION SENSOR (POS) EC-689, "Component Inspection" OK or NG OK >> GO TO 9. NG >> Replace crankshaft position sensor (POS). 9. CHECK CAMSHAFT POSITION SENSOR (PHASE) EC-693, "Component Inspection" OK or NG OK >> GO TO 10. NG >> Replace camshaft position sensor (PHASE). 10. CHECK CAMSHAFT SPROCKET Check accumulation of debris to the signal pick-up portion of the camshaft sprocket. Refer to "Inspection after Installation" OK or NG OK >> GO TO 11. NG >> Remove debris and clean the signal pick-up cutout of camshaft sprocket. 11. CHECK INTERMITTENT INCIDENT Continuity should exist. Continuity should exist. 2009 Pathfinder |