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 section Central Body Electronics.
Central Control Module

Defect Code Memory:

Detects involving activation are stored in the defect code memory.

Test Procedure:

The test procedure makes it possible to check the headlight washer system. The auxiliary pump and high pressure pump are checked by way of activation.

Troubleshooting:

Notes:

- Troubleshooting with the BMW DIAGNOSTIC SYSTEM
- Battery charged, U-min = 12 V
- It all functions of the ZKE are defective, perform troubleshooting in accordance with section ZKE Central Body Electronics.
Central Control Module
- If the windscreen wiper/washer is defective, perform troubleshooting in accordance with Windscreen Wiper/Washer System ZKE.