Possible fault displays

No activation Door(s) open !

Return:

- Close doors

- Check door contact wires to alarm control unit plug II terminal 21 for short to ground.

No activation Engine running!

Return:

N

- Turn off engine, only switch on ignition.

- Turn off engine, only switch on ignition.

No response Signal unplausible !

Return N

- Replace control unit.

No activation Fault summary!

Return: N

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.

- Wires to alarm control unit

Check connector II, terminal 24 and terminal 7 (if connected) for short to ground.

5.

No activation

Fault summary !

Position switch ?

Return:

- Also check position switch (refer to page D 90- 5).

Activation

correct.

Position switch?

Return:

N

- Check position switch

- Check position switch

No response Signal unplausible ! Position switch ? Return: N

- Replace control unit.

Unknown

response code !

Return :

N

- Check following ground points:

- Check following ground points:

vehicles: GP VII)

- 3. GP II: Body to alarm control unit Input signals

This function allows the following input signals to be checked:

- Door contacts

- Engine compartment switch

- Luggage compartment switch

- Position switches at drive motors

- Central locking system button

- Glove compartment button

- Radio closed loop

- Alarm contact radio bracket

- Tailgate lock button

- Microswitch for activation of alarm

- Microswitch for deactivation of alarm

- Input 1 (auxiliary system)

- Input 2 (auxiliary system)

- Input 3 (auxiliary system)

- Speedo signal

Door(s)

- open -

Return:

N

Open is displayed if at least one door is open Closed is displayed if both doors are closed. If required, check wiring to alarm control unit for open circuit or short to ground according to wiring diagram.

Engine compartment - open -

Return: N

Open is displayed if engine hood is open. Closed is displayed if engine hood is closed. If required, check wiring to alarm control unit for open circuit or short to ground according to wiring diagram.

Luggage compartment - open -

Return N

Open is displayed if tailgate is open. Closed is displayed if tailgate is closed. If required, check wiring to alarm control unit for open circuit or short to ground according to wiring diagram.

4.

Position switch

open: - closed -

closed: - open -

Return

N

This display appears if both lock buttons are in the „open" position.

Position switch open: - closed -closed: - closed -Return: N

This display appears if one lock button is in the „open" and one lock button is in the „closed" position.

Position switch open: - open -closed: - closed -Return: N

This display appears if both lock buttons are in the „closed" position. If required, check position switch (refer to page D 90 - 5)

5.

Central locking

system button

open -

Return:

N

Open is displayed if the central locking system button has not been pressed down. Closed display appears if the central locking system button is pressed down.

6.

Glove compartment

- open -

Return :

N

Open is displayed if glove compartment is open. Closed is displayed if giove compartment is closed.

7.

Radio

(closed loop)

- closed -

Return:

N

The closed loop must be closed. On radios that do not have this contact terminal, terminal 13, plug II, is wired to ground.

- If the closed loop is open, check wiring from alarm control unit, terminal 13, to ground point V or to radio for open circuit.

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