Operation CHARM: Car repair manuals for everyone.

Test Point 8

Fault Code 08
Button central locking system open Positive short.

1. Pull off plug I at the alarm control unit.
2. Check central locking button.
- Voltmeter at plug I pin 10 and ground.
Central locking button not actuated.
Display: 0 V
Central locking button actuated towards "Open".
Display: Battery voltage
3. Disconnect plug connection at the central locking button.
4. Check the line from the alarm control unit to the central locking button for positive shorts.
- Voltmeter at plug I pin 10 and ground.
Display: 0 V