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EC-424 < DTC/CIRCUIT DIAGNOSIS > [QR25DE] P2004 INTAKE MANIFOLD RUNNER CONTROL VALVE Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE MOTOR POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Disconnect IPDM E/R harness connector. 4. Check the continuity between ECM harness connector and IPDM E/R harness connector. 5. Also check harness for short to ground. YES >> Perform the trouble diagnosis for power supply circuit. NO >> Repair or replace error-detected parts. 3. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE MOTOR OUTPUT SIGNAL CIRCUIT 1. Disconnect intake manifold runner control valve motor harness connector. 2. Check the continuity between intake manifold runner control valve motor harness connector and ECM harness connector. 3. Also check harness for short to ground and to power. YES >> GO TO 4. NO >> Repair or replace error-detected parts. 4. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE MOTOR Check the intake manifold runner control valve motor. Refer to EC-424, "Component Inspection" Is the inspection result normal? YES >> GO TO 5. NO >> Replace intake manifold assembly. Refer to EM-29, "Removal and Installation" 5. CHECK INTERMITTENT INCIDENT GI-44, "Intermittent Incident" >> INSPECTION END Component Inspection INFOID:0000000011278142 1. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE With CONSULT 1. Turn ignition switch ON. 2. Select “DATA MONITOR” mode with CONSULT. + − Continuity ECM IPDM E/R Connector Terminal Connector Terminal F52 50 E119 8 Existed + − Continuity Intake manifold runner con- trol valve motor ECM Connector Terminal Connector Terminal F19 1 F52 49 Not existed 51 Existed 2 49 Existed 51 Not existed |