Possible fault causes
- Short circuit to B+ in control line for DME (DFI) control unit → Fuel pump control unit
- Fuel pump control unit faulty
- Short circuit to B+ in control line for DME (DFI) control unit → Fuel pump control unit
- Short circuit to ground in control line for DME (DFI) control unit → Fuel pump control unit
- Fuel pump control unit faulty