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 lowering
Signal strength

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 LOWERING & SIGNAL STRENGTH

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 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key. Select PCM in the Control units menu and confirm with the "FORWORD" key Select Telephone/telematics in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key. Select Input signals in the 911 (996) telephone/telematics function selection and confirm with the "FORWORD" key. Select the menu item 3dB lowering and confirm with the "FORWORD" key. Read out values from the display field.
Signal strength	You can read out the MOST installed components list 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 units menu and confirm with the "FORWORD" key Select Telephone/telematics in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key. Select Input signals in the 911 (996) telephone/telematics function selection and confirm with the "FORWORD" key. Select the menu item Signal strength and confirm with the "FORWORD" key. Read out values from the display field.

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 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key.
Select PCM in the Control units menu and confirm with the "FORWORD" key
Select Telephone/telematics in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key.
Select Input signals in the 911 (996) telephone/telematics function selection and confirm with the "FORWORD" key.
Select the menu item 3dB lowering and confirm with the "FORWORD" key.
Read out values from the display field.

Signal strength

You can read out the MOST installed components list 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 units menu and confirm with the "FORWORD" key
Select Telephone/telematics in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key.
Select Input signals in the 911 (996) telephone/telematics function selection and confirm with the "FORWORD" key.
Select the menu item Signal strength and confirm with the "FORWORD" key.
Read out values from the display field.