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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)) >> PCM2 gateway control module function >> Input signals

Input signals

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.

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 (only for software version < 03).
STARTUP STATUS CHECK

Menu item Function
  • Registry startup status.
It is displayed under this menu item that installed MOST control modules can be read out from the actual installed components list.
  • Connect and start the Porsche System Tester II 9588 and switch on the ignition.
  • Select 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key.
  • Select PCM in the Control modules menu and confirm with the "FORWORD" key.
  • Select PCM2 GW in the PCM2 function selection and confirm with the "FORWORD" key.
  • Select Input signals in the PCM2 GW function selection and confirm with the "FORWORD" key.
  • Select Startup status registry  in the PCM2 GW input signals function selection and confirm with the "FORWORD" key.
  • Read out values from the display field.
  • Internal ring startup status.
Under this menu item, the internal ring startup status can be read out during troubleshooting.
  • Connect and start the Porsche System Tester II 9588 and switch on the ignition.
  • Select 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key.
  • Select PCM in the Control modules menu and confirm with the "FORWORD" key.
  • Select PCM2 GW in the PCM2 function selection and confirm with the "FORWORD" key.
  • Select Input signals in the PCM2 GW function selection and confirm with the "FORWORD" key.
  • Select Startup status  in the PCM2 GW input signals function selection and confirm with the "FORWORD" key.
  • Read out values from the display field.
  • Internal ring startup status internal MOST (electrical) is functional.
  • External ring startup status.
Under this menu item, the external ring startup status can be read out during troubleshooting.
  • Connect and start the Porsche System Tester II 9588 and switch on the ignition.
  • Select 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key.
  • Select PCM in the Control modules menu and confirm with the "FORWORD" key.
  • Select PCM2 GW in the PCM2 function selection and confirm with the "FORWORD" key.
  • Select Input signals in the PCM2 GW function selection and confirm with the "FORWORD" key.
  • Select Startup status  in the PCM2 GW input signals function selection and confirm with the "FORWORD" key.
  • Read out values from the display field.
  • External ring startup status internal MOST (electrical) is functional.
  • External ring startup status external MOST (optical) is functional.