P0660

P0660

Intake Pipe Change-over Driver - Open Circuit

Diagnostic conditions
- Battery positive voltage between 10 V and 16 V
- Time after engine starts greater than 10 seconds

Possible cause of fault
- Open circuit in control line
- Open circuit in voltage supply
- Fuse F9 faulty (fuse carrier in radiator tank E-box)
- Connection KE 7 disconnected
- Intake pipe switch-over valve faulty (internal open circuit)
- DME control module faulty

Affected pins
DME control module plug B, pin 114, and pin 2 of intake pipe switch-over valve

Diagnosis/troubleshooting

NOTE: The wire for fuse F9 and pin 1 of the intake pipe switch-over valve plug is routed via pin 6 of connection KE 7.