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EC-364 < COMPONENT DIAGNOSIS > [VQ40DE] P2101 ELECTRIC THROTTLE CONTROL FUNCTION OK >> GO TO 8. NG >> Replace 20A fuse. 6. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Disconnect IPDM E/R harness connector E119. 4. Check continuity between ECM terminal 3 and IPDM E/R terminal 6. Refer to Wiring Diagram. 5. Also check harness for short to ground and short to power. OK >> GO TO 8. NG >> GO TO 7. 7. DETECT MALFUNCTIONING PART Check the following. • Harness connectors E2, F32 • Harness for open or short between ECM and IPDM E/R >> Repair open circuit or short to ground or short to power in harness or connectors. 8. CHECK INTERMITTENT INCIDENT GI-37, "Intermittent Incident" OK or NG OK >> Replace IPDM E/R. Refer to PCS-33, "Removal and Installation of IPDM E/R" . NG >> Repair or replace harness or connectors. 9. CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT 1. Turn ignition switch OFF. 2. Disconnect electric throttle control actuator harness connector. 3. Disconnect ECM harness connector. 4. Check harness continuity between the following terminals. Refer to Wiring Diagram. 5. Also check harness for short to ground and short to power. OK >> GO TO 10. NG >> Repair or replace. 10. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY 1. Remove the intake air duct. Continuity should exist. Electric throttle control actuator terminal ECM terminal Continuity 5 5 Should not exist 4 Should exist 6 5 Should exist 4 Should not exist BBIA0543E 2010 Pathfinder |