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Home >> Porsche >> 2011 >> 911 Speedster >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Radio, Navigation & Pcm Diagnosis - 911 CARRERA (996)) >> System N 01 >> Fault overview >> Test point 1 >> Possible causes, elimination, notes >> Open circuit/short to ground

Open circuit/short to ground

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
  1. Pull off plug II on the display and operator control unit.
  2. Pull off plug C on the heater / A/C control unit.
  3. Check lead from plug II pin 15 to plug C 12 for continuity and short to ground.
NOTE: The lead is routed via the 10-pole plug connection on the heater/ A/C unit.
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