Engine Oil Pressure Signal Inspection

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SELF-DIAGNOSTIC RESULTS OF IPDM E/R
Select "IPDM E/R" on CONSULT-II, and perform self-diagnosis of IPDM E/R. Refer to "SELF-DIAGNOSTIC RESULTS ".

Self-diagnostic results content

No malfunction detected: GO TO 2.

Malfunction detected: GO TO "DISPLAY ITEM LIST ".
CHECK IPDM E/R INPUT SIGNAL
Select "IPDM E/R" on CONSULT-II. Operate ignition switch with "OIL P SW" of "DATA MONITOR" and check operation status.

Fig 1: Identifying CONSULT II Display - DATA MONITOR

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

When engine running : OIL P SW OPEN

OK or NG

OK: Replace combination meter. Refer to "COMBINATION METER ".

NG: GO TO 3.
CHECK OIL PRESSURE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector E122 and oil pressure switch connector E208.
3. Check continuity between IPDM E/R harness connector E122 (A) terminal 42 and oil pressure switch harness connector E208 (B) terminal 1.
  Continuity should exist.
  
  Fig 2: Checking Continuity Between IPDM E/R Connector Terminal 42 And Oil Pressure Switch Connector Terminal 1
OK or NG

OK: GO TO 4.

NG: Repair harness or connector.
CHECK OIL PRESSURE SWITCH
Check oil pressure switch. Refer to "OIL PRESSURE SWITCH CHECK ".

OK or NG

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

NG: Replace oil pressure switch.