Defect Code 30

Defect Code 30:

Diagnostic procedure not possible:

Troubleshooting:

All functions of the central locking system failed:

- Check all fuses
- Check wires from fuse to ZVM, 26-pin connector Pin 3 (measure voltage with respect to ground, is approx. 12 V applied?)
- Check ground connection to ZVM. 26-pin connector pin 1
- If fuses and wires are OK., renew central locking module

All functions of central locking system OK.:

- Observe general information on display screen
- Check RxD link to ZVM, 26-pin connector Pin 5
- Check TxD link to ZVM, 26-pin connector Pin 6