UEM-001C

Condition
If the control unit detects that the general courtesy lighting switch has been pressed down for more than 3 minutes, a diagnostic trouble code is displayed. The test is done when the ignition is on or off.

Condition
Nothing.

Possible source
- The general courtesy lighting switch has stuck
- CFL (front left reading lamp switch signal) and CFR (front right reading lamp switch signal) short circuited to voltage supply.

Condition
- Courtesy lighting does not work.