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Home >> Porsche >> 1997 >> Boxster Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Radio, Navigation, Telephone, Pcm & Park Assistant - Diagnosis >> System N 01 >> Fault Overview >> Test point 6 >> Possible causes, elimination, notes >> Signal implausible

Signal implausible

  1. Check reversing light switch or, on Tiptronic vehicles, position switch.
  2. Check lead from navigation unit plug pin 4 to the reversing light switch or position switch for short circuit to B+.
NOTE: The lead is routed via plug connection X 2/1 and via the jumper plug 20/1 on relay carrier 2.