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MWI-92 < SYMPTOM DIAGNOSIS > THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF Description INFOID:0000000005260412 The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure). Diagnosis Procedure INFOID:0000000005260413 Regarding Wiring Diagram information, refer to . 1. CHECK OIL PRESSURE WARNING LAMP Perform IPDM E/R auto active test. Refer to PCS-12, "Diagnosis Description" Is oil pressure warning lamp illuminated? YES >> GO TO 2 NO >> Replace combination meter. Refer to MWI-96, "Removal and Installation" 2. CHECK IPDM E/R OUTPUT VOLTAGE 1. Turn ignition switch OFF. 2. Disconnect the oil pressure switch connector. 3. Turn ignition switch ON. 4. Check voltage between the oil pressure switch harness connec- tor E208 (VQ40DE) or F4 (VK56DE) terminal 1 and ground. Is the inspection result normal? YES >> GO TO 3 NO >> GO TO 4 3. CHECK OIL PRESSURE SWITCH Perform a unit check for the oil pressure switch. Refer to MWI-35, "Component Inspection" Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-33, "Removal and Installation of IPDM E/R" . NO >> Replace oil pressure switch. 4. CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT Check the oil pressure switch signal circuit. Refer to Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-33, "Removal and Installation of IPDM E/R" . NO >> Repair harness or connector. 1 – Ground : Approx. 12V PKIC1144E 2010 Pathfinder |