Test Point 4

Position of The Drives Implausible

This fault is also stored if, for example, the driver's door is open when the key is used to actuate the central locking system from the passenger's door.

- Disconnect plug II from control unit. Attach Special Tool 9540 at wiring harness.

With the doors unlocked, ground must be present at pin 10. At the same time, no ground must be present at pin 12. With the doors locked, ground must be present at pin 12. At the same time, no ground must be present at pin 10.

- If required, check wiring according to wiring diagram.

Note: The wires are routed across connectors T 28 (driver's door) and T 27 (passenger's door).