Test Point 55

TEST POINT 55
Central Locking Limit Position Locked Not Reached

Fault Code 60
This fault is stored in the following cases:
- Switch for central locking is faulty
- Open circuit in the supply lead to plug II, pin 8 (terminal 30)
- Short circuit to voltage/ground or open circuit in the supply lead to plug II, pin 9
- Short circuit to voltage/ground or open circuit in plug I, pin 5
- Short circuit to voltage/ground or open circuit in plug I, pin 28
- Short circuit to voltage/ground or open circuit in plug I, pin 29
- Door lock (driver's side / passenger's side) is faulty

Procedure

1. In the menu item Input signals, select "Central locking button", close doors, actuate the switch for central locking and check whether the switch operates.

2. In the menu item Drive links, select "Lock doors" and carry out the function test.

3. In the menu item Input signals, select "Driver's side locked" and "Passenger's side locked" and compare the switch positions with the input signals table.

4. Pull plugs I and II off the alarm system control module

5. Pull plug off door lock (driver's side / passenger's side)

6. Pull plug off Switch for central locking

- Voltmeter at plug I, pin 29 and ground

Display: 0 Volts

- Ohmmeter at alarm system control module plug I, pin 29 and ground

Display: infinity

- Ohmmeter on alarm system control module plug I, pin 29 and plug on switch for central locking pin 1

Display: < 5 ohms

- Voltmeter at plug II, pin 8 and ground

Display: Battery voltage

If 0 Volts is displayed, check fuse C3

- Voltmeter at plug II, pin 9 and ground

Display: 0 Volts

- Ohmmeter on alarm system control module plug II, pin 9 and ground

Display: infinity

- Ohmmeter on alarm system control module plug II pin 9,and pin 2 of both plugs on door lock (driver's side / passenger's side)

Display: < 5 ohms

- Voltmeter at plug I, pin 5 and ground

Display: 0 Volts

- Ohmmeter at alarm system control module plug I, pin 5 and ground

Display: infinity

- Ohmmeter on alarm system control module plug I, pin 5 and pin 7 of both plugs on door lock (driver's side 7 passenger's side)

Display: < 5 ohms

- Voltmeter at plug I, pin 19 and ground

Display: 0 Volts

- Ohmmeter at plug I, pin 19 and ground

Display: infinity

- Ohmmeter on plug I, pin 19 and door lock (driver's side / passenger's side) pin 9

Display: < 5 ohms