Porsche Cayman S (987) F6-3.4L P Code 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

• P0030

  P0030

  
  

  Diagnosis information - DME V6 DFI

  
  

  Driver for oxygen sensor heater ahead of catalytic converter, bank 1

  
  

  NOTE: Do not use contact spray on the oxygen sensor plug connections, as this may cause irreparable damage to the wiring (blocking the reference air channels).

  
  

  NOTE: Do not confuse oxygen sensor ahead of catalytic converter and oxygen sensor behind catalytic converter as this will cause implausible fault entries.

  
  

  Diagnostic conditions

• Battery positive voltage between 9 V and 16 V
• Time after engine starts > 10 seconds
  
  

  Possible fault causes

• Short circuit to B+
• Short circuit to ground
• Open circuit in line
• Fuse FE 17 faulty (fuse carrier in plenum panel E-box)
• Loose contact in connector
• Oxygen sensor heater faulty
• Oxygen sensor faulty
  
  

  Affected contacts on the DFI control unit connector

  
  
  Connector [B]:
• Contact 51
  
  

  Affected contacts on the oxygen sensor connector behind catalytic converter, bank 1

• Contact 3