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P2149
P2149
Diagnosis information - DME V6 DFI Power supply of fuel injectors
NOTE: The power supply for the fuel injectors is switched in pairs in the control unit.
Diagnostic conditions
- Battery positive voltage > 9 V
- Engine running
Possible fault causes
- Open circuit in activation line
- Short circuit to ground in activation line
- Short circuit to B+ in activation line
- Fuel injector faulty
Affected contacts on the DFI control unit connector
Connector [A]:
Cylinders 1 and 2:
- Contact 2
- Contact 33
- Contact 1
- Contact 47
Cylinders 3 and 5:
- Contact 18
- Contact 31
- Contact 17
- Contact 32
Cylinders 4 and 6:
- Contact 3
- Contact 46
- Contact 16
- Contact 48
Affected contacts on the fuel injector connector
- Contact 1
- Contact 2