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• P0661

  P0661

  Diagnosis information - DME V6 DFI Intake pipe switch-over driver Diagnostic conditions

• Battery positive voltage > 10 V
• Time after engine starts > 10 seconds
• Activation of intake pipe switch-over must have occurred (test drive with brief portion of engine speed > 4,500 rpm)
  
  

  Possible fault causes

• Short circuit to B+
• Short circuit to ground
• Open circuit in line
• Fuse F9 faulty (fuse carrier in plenum panel E-box)
• Solenoid valve, intake pipe switch-over faulty
  
  

  Affected contacts on the DFI control unit connector

  
  
  Connector [A]:
• Contact 6
  
  

  Affected contacts on the secondary-air valve connector

  
  
  Connector [A]:
• Contact 2