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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 9 >> Possible causes, elimination, notes >> Open circuit/short to B+

Open circuit/short to B+

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  1. Pull off plug I on the display and operator control unit.
  2. Pull off plug III on the instrument cluster.
  3. Check lead from plug I pin 21 to plug III pin 11 for continuity and short to B+.
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