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 displayRemoval and Installation
REMOVAL
Disconnect the battery negative terminal. Refer to PG-67, "Removal
and Installation (Battery)".
Disconnect the harness connector from the accelerator position
sensor.
Remove the three accelerator pedal nuts.
Remove the accelerator pedal and accelerator position sensor assembl ...
Unexpected pedal reaction
Diagnosis Procedure
1.CHECK BRAKE PEDAL STROKE
Check brake pedal stroke.
2.CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector to
deactivate ABS. Check if braking force is
normal in this condition.Connect connector after inspection.
3.CHECK WHEEL SENSOR AND SEN ...
Auto light system
Wiring Diagram
...