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.

Substitute value

- 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.

Fault symptom[s]

- Courtesy lighting does not work.