External Harman amplifier input signals

The following functions can be tested 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 MENU ITEM - FUNCTION (MMI)

Menu item	Function
"BULL" 3 dB loss	Under this menu item, the MOST ring can be checked during troubleshooting. Connect and start the Porsche System Tester II 9588 and switch on the ignition Select vehicle type Boxster (986) and the PCM2 GW control unit 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

Menu item

Function

"BULL" 3 dB loss

Under this menu item, the MOST ring can be checked during troubleshooting.

Connect and start the Porsche System Tester II 9588 and switch on the ignition
Select vehicle type Boxster (986) and the PCM2 GW control unit 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