Boxster S (986) F6-3.2L (2001)
PCM2 Control Module (Head Unit)
The PCM2 control module (head unit) includes the following components:
-
Internal:
-
PCM2 gateway
-
PCM2 Man Machine Interface (MMI)
-
Amplifier (internal)
-
Tuner
-
Single CD
-
Navigation (optional/insertion)
-
VOCS (voice control system) (optional/insertion)
-
Controller Area Network (CAN) Comfort
-
MOST switch
-
External:
-
External amplifier (optional, Harman or BOSE)
-
CD changer (CDC), (optional)
-
Telephone/telematics (optional)
The PCM2 consists of at least two but a maximum of four MOST nodes, (Gateway, MMI and Navigation and VOCS (optional)), which communicate
with each other electronically via the MOST. Data is transferred outside of the PCM2 via the optical MOST.
Input Signals
The following queries can be run using this menu item:
-
3 dB lowering
NOTE: Deactivate the 'automatic traffic announcement' before performing the diagnosis on the PCM2. If this is not done, the diagnosis will abort.
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 Testing II No. 9588 and switch on the ignition.
-
Select 'Boxster' in the Vehicle type menu and confirm with the >> key.
-
Select 'PCM' in the control modules selection and confirm with the >> key.
-
Select 'PCM2/CDR23' in the control units selection and confirm with the >> key.
-
Select 'PCM2 GW' in the PCM2 function selection and confirm with the >> key.
-
Select the Input signals menu item and press the >> key.
-
Select "3dB lowering" menu item using the > and press the >> key.
-
Read out values from the display field.
Telephone/Telematics
The telephone/telematics feature is available as an option and is linked to the PCM2 via the optical waveguide.
Tuner
The tuner is part of the PCM2 (on the main board).
Unlock Counter
Interruptions occur in the system if perfect communication is no longer possible. If the relevant threshold values are exceeded, an entry is recorded in the
appropriate control module and the 'unlock counter' is incremented.
External Amplifier
The external amplifier (Harman or BOSE) is available as an optional feature and is linked to the PCM2 via the optical waveguide.
Internal Amplifier
The internal amplifier is part of the PCM2 (installed on the main board).
Wake-Up Function