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:

No defect codes are stored for the interior lights

Test Procedure:

The test procedure makes possible guided inspection of the interior lights and the load cut-out function. The relays can be checked by way of activation. Since the door handle and door contacts also influence the automatic window lowering function, troubleshooting is performed as part of the test procedure or the power windows.

Troubleshooting:

Notes:

- Troubleshooting with the BMW DIAGNOSTIC SYSTEM
- Battery charged, U-min = 12 V
- If all functions of the ZKE are defective, perform troubleshooting in accordance with ZKE.