Test Point 9

Fault Code 09
Button, central locking system open/closed Positive short.

1. Pull off Plug I at the alarm control unit.
2. Check the central locking button.
- Voltmeter at Plug I pin 29 and ground. Central locking button not actuated.
Display: 0 V
Central locking button actuated towards "Closed".
Display: Battery voltage
- 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 the plug connection on the central locking button.
4. Check the lines from the alarm control unit to the central locking button for positive shorts.
- Voltmeter at Plug I pin 29 and ground.
Display: 0 V
- Voltmeter at Plug I pin 10 and ground.
Display: 0 V