Description of On-Board Diagnostic System

Notes on the BMW DIAGNOSTIC SYSTEM:

Diagnosis with the ZKE II:

For general information on diagnosis with the ZKE II (central body electronics), see Central Body Electronics.
Central Control Module

Defect Code Memory:

Defects involving activation are stored in the defect code memory.

Test Procedure:

The test procedure makes it possible to check the ADV motor by way of activation. Blocking of the motor must be avoided during activation. Note! Activation must be as short as possible. Activation 2/3 times until an increase in the contact pressure can be determined.

Troubleshooting:

Notes:

- Troubleshooting with the BMW DIAGNOSTIC SYSTEM
- Battery charged, U-min = 12V
- The power supply to the general module, sunroof module and door modules is interrupted when the relay module is removed.
- Only remove and install the above modules with the ignition switched off. After reinstallation, clear defect code memory with *D* defect code memory.
- Windscreen wiper/washer functions defective section Windscreen Wiper/Washer System ZKE.