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:

3dB loss

NOTE:

Deactivate the automatic traffic announcement before performing the diagnosis on the PCM2. If this is not done, the diagnosis will abort.

INPUT SIGNALS - 3DB LOSS

Menu item	Function
3dB lowering	Under this menu item, it is possible to check the electrical and optical MOST during troubleshooting. Connect and start the Porsche System Tester II 9588 and switch on the ignition. Select vehicle type 911 (996) in the menu and confirm with the "FORWORD" key. Select PCM in the Control modules menu and confirm with the "FORWORD" key. Select External BOSE amplifier in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key. Select Input signals in the 911 (996) external BOSE amplifier function selection and confirm with the "FORWORD" key. Select the 3dB lowering menu item using the > key and confirm with the "FORWORD" key.

Menu item

Function

3dB lowering

Under this menu item, it is possible to check the electrical and optical MOST during troubleshooting.

Connect and start the Porsche System Tester II 9588 and switch on the ignition.
Select vehicle type 911 (996) in the menu and confirm with the "FORWORD" key.
Select PCM in the Control modules menu and confirm with the "FORWORD" key.
Select External BOSE amplifier in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key.
Select Input signals in the 911 (996) external BOSE amplifier function selection and confirm with the "FORWORD" key.
Select the 3dB lowering menu item using the > key and confirm with the "FORWORD" key.