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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 CDR23. If this is not done, the system will crash.
INPUT SIGNALS - CDR23

Menu item Function
  • GAL (noise-dependent loudspeaker boost - NLB)
 You can read out the coded NLB value using this menu item.
  • 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 CDR23 in the 911 (996) PCM2 function selection menu and confirm with the "FORWORD" key.
  • Select Input signals in the 911 (996) CDR23 function selection menu and confirm with the "FORWORD" key.
  • Select GAL (noise-dependent loudspeaker boost - NLB)  in the 911 (996) CDR23 function selection menu and confirm with the "FORWORD" key.
  • The current coded value is displayed in the 911 (996) CDR23 noise-dependent loudspeaker menu.
  • Increment steps
 You can check the function of the CDR23 rotary knobs using this menu item.
  • 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 CDR23 in the 911 (996) PCM2 function selection menu and confirm with the "FORWORD" key.
  • Select Input signals in the CDR23 function selection menu and confirm with the "FORWORD" key.
  • Select Increment steps  in the 911 (996) CDR23 Input signals menu and confirm with the "FORWORD" key.
  • The relevant change is displayed by turning the rotary knobs of the CDR23 if this functions correctly.
  • Key code
 You can check the function of the CDR23 operating buttons using this menu item.
  • 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 CDR23 in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key.
  • Select Input signals in the CDR23 function selection and confirm with the "FORWORD" key.
  • Select Key code  in the 911 (996) CDR23 function selection and confirm with the "FORWORD" key.
  • By operating the buttons of the CDR23, the correct function of each key code is displayed.
  • Tuner parameters
 You can check the tuner parameters of the CDR23 using this menu item.
  • 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 CDR23 in the 911 (996) PCM function selection and confirm with the "FORWORD" key.
  • Select Input signals in the CDR23 function selection and confirm with the "FORWORD" key.
  • Select Tuner parameters  in the 911 (996) CDR23 Input signals function selection and confirm with the "FORWORD" key.
  • The currently coded country code is displayed in the CDR23 Tuner parameters menu.
  • Status of the optical performance check
 You can check the status of the optical waveguides using this menu item.
  • 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 CDR23 in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key.
  • Select Input signals in the CDR23 function selection and confirm with the "FORWORD" key.
  • Select Key code  in the 911 (996) CDR23 input signals function selection and confirm with the "FORWORD" key.
  • Select Status of optical performance check  in the CDR23 input signals menu and confirm with the "FORWORD" key.
  • The result can be read out.
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