Dimmer Switch: Testing and Inspection
Instrument Panel Illumination Dimmer Switch (E20) Checking, from MY 10
Procedure
- Connect the -> Vehicle diagnostic tester.
- Select Guided Fault Finding.
- Use the GO TO button to select the "function/component selection" and the following menu options one after the other:
• Body
• Electrical Equipment
• 01 - On Board Diagnostic (OBD) capable systems
• 09 - Vehicle electrical system control module J519
• Electrical Components
• E20 Instrument panel illumination dimmer switch