Oil Pressure Warning Lamp Stays Off (Ignition Switch ON)

1. Start engine.
2. Select "METER A/C AMP" on CONSULT-II, and perform self-diagnosis of unified meter and A/C amp. Refer to CONSULT-II FUNCTION A .
3. After erasing the self-diagnostic results, perform self-diagnosis again.

Self-diagnostic results content

No malfunction detected: GO TO 2.

Malfunction detected: Go to SYMPTOM CHART 2 .

Activate IPDM E/R auto active test. Refer to AUTO ACTIVE TEST .

Is oil pressure warning lamp blinking?

1. YES: GO TO  5 .
2. NO: GO TO 3.

Select "DATA MONITOR" of "SIGNAL BUFFER". Refer to DATA MONITOR . Operate ignition switch with "OIL P SW" of data monitor and check operation status.

When ignition switch is in ON: position (Engine stopped) OIL P SW OPEN 

When engine running: OIL P SW CLOSE 

OK or NG

1. OK: GO TO 4.
2. NG: Replace the IPDM E/R. Refer to REMOVAL AND INSTALLATION OF IPDM E/R .

Fig 1: Data Monitor Display

Courtesy of NISSAN MOTOR CO., U.S.A.

Select "METER A/C AMP" on CONSULT-II. Operate ignition switch with "OIL W/L" of data monitor and check operation status.

When ignition switch is in ON: position (Engine stopped) OIL W/L ON 

When engine running: OIL W/L OFF 

OK or NG

1. OK: Replace the combination meter.
2. NG: Replace the BCM. Refer to REMOVAL AND INSTALLATION OF BCM .

Fig 2: Data Monitor Display

Courtesy of NISSAN MOTOR CO., U.S.A.

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and oil pressure switch connector.
3. Check continuity between IPDM E/R harness connector E121 terminal 57 (P/L) and oil pressure switch harness connector F106 terminal + (R/L).

Continuity should exist. 

OK or NG

1. OK: GO TO 6.
2. NG: Repair harness or connector.
   Fig 3: Checking Oil Pressure Switch Circuit

   Courtesy of NISSAN MOTOR CO., U.S.A.

Check oil pressure switch. Refer to , "OIL PRESSURE SWITCH  ".

OK or NG

1. OK: Replace the IPDM E/R. Refer to REMOVAL AND INSTALLATION OF IPDM E/R .
2. NG: Replace the oil pressure switch.