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Home >> Porsche >> 2003 >> 911 GT2 >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Radio, Navigation & Pcm Diagnosis - 911 Turbo (996) >> Control module function - external Harman amplifier >> Input signals

Input signals

The following queries can be run using this menu item:

NOTE: Deactivate the automatic traffic announcement before performing the diagnosis on the PCM2. If this is not done, the diagnosis will abort.
INPUT SIGNALS ITEM FUNCTION CHART - AUTOMATIC TRAFFIC ANNOUNCEMENT

Menu item Function
  • 3 dB loss
Under this menu item, it is possible to check the optical MOST during troubleshooting.
  • Connect and start the Porsche System Tester II 9588 and switch on the ignition.
  • Select vehicle type 911 (996) and the PCM2-GW control module and press the ">>" key.
  • Select the Input signals menu item and press the ">>" key.
  • Select the 3 dB loss  menu item using the ">" key and press the ">>" key.
  • Read out values from the display field.