Porsche Diagnostic and Repair Information ,Wiring Diagrams. DTC. TSB. Types: TSB, DTC, Wiring Diagrams, OEM Procedures. Trusted by more than 400,000 technicians. OEM accurate fix for faster repairs. Repair Procedures and Labor Times. Factory Auto Repair info. Request A Demo Today. Factory-Correct Diagrams. Factory Part Numbers. Maintenance Schedules. Repair Procedures. Labor Times. Types: TSB, DTC.car insurance, auto insurance, auto, car, vehicle, insurance, quote, quotes, online, insurance，auto, autos, car, cars, vehicle, vehicles, used car, pre-owned car, pre-owned vehicle, used auto, used vehicle, rental，auto racing news, car racing news

• P0660

  P0660

  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