Oil Pressure Warning Lamp Does Not Turn Off (Oil Pressure Is Normal)

NOTE: For oil pressure inspection, refer to "OIL PRESSURE CHECK " (VQ35DE) or "OIL PRESSURE CHECK " (VK45DE)

CHECK OIL PRESSURE WARNING LAMP OPERATION
Activate IPDM E/R auto active test. Refer to "AUTO ACTIVE TEST ".

Does oil pressure warning lamp blink?

YES : GO TO 2.

NO : GO TO 5.
CHECK IPDM E/R OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect oil pressure switch connector.
3. Turn ignition switch ON.
4. Check voltage between oil pressure switch harness connector F1 terminal 1 and ground.
  1 - Ground : Approx. 12 V
OK or NG

OK : GO TO 3.

NG : GO TO 4.

Fig 1: Identifying Oil Pressure Switch Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK OIL PRESSURE SWITCH
1. Turn ignition switch OFF.
2. Check oil pressure switch. Refer to "OIL PRESSURE SWITCH ".
OK or NG

OK : Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

NG : Replace oil pressure switch.
CHECK OIL PRESSURE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector E9 terminal 57 and ground.
  57 - Ground : Continuity should not exist.
OK or NG

OK : Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

NG : Repair harness or connector.

Fig 2: Identifying IPDM E/R Connector
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK IPDM E/R (CONSULT-II)
Perform self-diagnosis of IPDM E/R. Refer to "CONSULT-II FUNCTION (IPDM E/R) ".

Self-diagnosis results
1. No malfunction detected : Replace combination meter.
2. Malfunction detected : Check applicable parts, and repair or replace corresponding parts.