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 displayKey slot illumination
Description
Blinks when Intelligent Key insertion is required.
Component Function Check
1. CHECK FUNCTION
With CONSULT
Check key slot illumination KEY SLOT ILLUMI in Active Test mode.
Diagnosis Procedure
1. CHECK KEY SLOT ILLUMINATION OUTPUT SIGNAL
Check voltage between key slot connector ...
Illumination control system
System Diagram
System Description
The illumination lamps operation is dependent upon the position of the
lighting switch (combination switch).
When the lighting switch is placed in
the 1ST or 2ND position (or if the auto light system is activated) the BCM
(body control module) receives in ...
U1000 CAN comm circuit
Description
Refer to LAN-24, "CAN Communication Signal Chart".
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detecting condition
Possible cause
U1000
CAN COMM CIRCUIT
Driver seat control unit cannot communicate to other control
units.
...