Description
The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure).
Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-87, "Wiring Diagram".
1.CHECK OIL PRESSURE WARNING LAMP
Perform IPDM E/R auto active test. Refer to PCS-11, "Diagnosis Description".
2.CHECK IPDM E/R OUTPUT VOLTAGE
Turn ignition switch OFF.
Disconnect the oil pressure switch connector.
Turn ignition switch ON.
Check voltage between the oil pressure switch harness connector F41 terminal 1 and ground.

3.CHECK OIL PRESSURE SWITCH
Perform a unit check for the oil pressure switch. Refer to MWI-42, "Component Inspection".
4.CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Check the oil pressure switch signal circuit. Refer to MWI-42, "Diagnosis Procedure".
The oil pressure warning lamp does not turn on
The parking brake release warning continues displaying, or does not displayFront wiper and washer system symptoms
Symptom Table
CAUTION:Perform the self-diagnosis with CONSULT
before performing the diagnosis by symptom. Perform thediagnosis by DTC if
DTC is detected.
...
Diagnosis system (ipdm E/R)
Diagnosis Description
AUTO ACTIVE TEST
Description
In auto active test mode, the IPDM E/R sends a drive signal to the following
systems to check their operation.
Oil pressure warning lamp
Front wiper (LO, HI)
Parking lamps
Side marker lamps
License plate lamps
Tail lamps
Front f ...
Cooling fan
Removal and Installation
Radiator cooling fan assembly
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur
from high pressure
coolant escaping from the radiator. Wrap a thick cloth around the radiator cap.
Slowly turn it a quarter
turn to allow ...