Diagnosis Procedure
Regarding wiring diagram information, refer to mwi-28, "wiring diagram".
1.Check combination meter input signal

Is the inspection result normal? Yes >> inspection end.
No >> go to 2.
2.Check steering switch signal circuit


Is the inspection result normal? Yes >> inspection end.
No >> repair or replace harness or connector.
Component Inspection
1.Check steering switch
Check continuity between spiral cable terminals.

Is the inspection result normal? Yes >> inspection end.
No >> replace steering switch. Refer to st-10, "removal and installation".
Power supply and ground circuit
Illumination control switch signal circuitWiring diagram
Engine control system
Wiring Diagram
...
Dome light
The interior light has a three-position switch and
operates regardless of ignition switch position.
When the switch is in the ON position 1 , the
interior lights illuminate, regardless of door position.
The lights will go off after a period of time
unless the ignition switch is placed in ...
Diagnosis description : permanent diagnostic
trouble code (permanent DTC)
Permanent DTC is defined in SAE J1979/ISO 15031-5 Service $0A.
ECM stores a DTC issuing a command of turning on MIL as a permanent DTC and
keeps storing the DTC as
a permanent DTC until ECM judges that there is no presence of malfunction.
Permanent DTCs cannot be erased by using the erase f ...