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 displayBose speaker amp
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
AV control unit
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Index
Self-diagnosis results display item
...
The low washer fluid warning continues displaying, or does not display
Description
The warning is still displayed even after
washer fluid is added.
The warning is not displayed even though the
washer tank is empty.
Diagnosis Procedure
1.CHECK WASHER FLUID LEVEL SWITCH SIGNAL CIRCUIT
Check the washer fluid level switch signal cir ...