Commercial Service Tools
The illumination control switch is inoperative
Description
If any of the following malfunctions is found for the illumination control
switch operation.
All switches are inopera
The specified switch cannot be operated
Diagnosis procedure
1.Check illumination control switch signal circuit
Check the illumination control switch signal ...
Wiring diagram
Eco mode system
Wiring Diagram
...
System
System Description
Operation description
A/C control transmits rear window defogger switch signal to A/C auto
amp. when rear window defogger
switch turns ON while ignition switch is ON.
A/C auto amp. transmits rear window defogger switch signal to BCM
Bcm transmits rear window defogg ...