Drive Links
This function allows the following components to be triggered:
- Function display in lock buttons
- Lock
- Alarm horn
- Turn signals
- Interior light
- Button light in central locking system button
- External output
- Anti-drive-off feature
If the function display is turned on, the doors are locked and the LEDs light up permanently. The "on" display flashes on the tester. If the function display is turned off again, the LEDs are turned off as well. The doors are unlocked again when the user returns to the menu.
Lock closed: Doors are locked.
Lock open: Doors are unlocked.
Alarm horn on: Alarm horn is triggered continuously (continuous sound).
Turn signals on: All turn signals are triggered continuously (continuously lit).
The interior light must be in the door contact position.
Button light on: The light in the central lock system button is triggered.
The external output is used to trigger other control units, e.g. ultrasonic monitoring of the interior.
Anti-drive-off feature on: Activation of fuel pump relay interrupted. It must no longer be possible to start the engine.
Possible Fault Displays
1.
- Close doors
- Check door contact wires to alarm control unit plug II terminal 21 for short to ground.
2.
- Turn off engine, only switch on ignition.
3.
- Replace control unit.
4.
Note: Fault summary is displayed if several drive links (actuators) are triggered simultaneously, e.g. if turn signals are on while the function display is checked.
- Check wiring to alarm control unit plug I, terminals 8, 9, 10, 11, 12, and plug II, terminal 20, for short to positive.
- Check wiring to alarm control unit plug II, terminal 24 (if connected) and terminal 7, for short to ground.
5.
- Refer to item 4.
- Also check position switch, Test Point 4
6.
- Check position switch, Test Point 4
7.
- Check position switch, Test Point 4
- Replace control unit.
8.
- Check following ground points:
- 1. MP X: Battery to body
- 2. MP XI. Body to transmission
- 3. MP XX: Body to alarm control unit