Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
Navigation
The navigation module is designed as a module box, which can be inserted in the PCM2 as an option. After the insertion, an electronic switch is opened
automatically and the module is integrated into the MOST ring.
PCM2 Control Unit (Head Unit)
PCM2 Control Unit (Head Unit)
The PCM2 control unit (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)
Telephone/telematics (optional)
CD changer (CDC), (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 via the electronic MOST. Data is transferred outside of the PCM2 via the optical MOST.
Replacing CDR23 Control Modules
Replacing CDR23 Control Modules
The PCM2 is converted to delivery mode (low-current mode) in production. As known from other systems (alarm system, instrument cluster, roll-over
bar), the PCM2 must be activated with the Porsche System Tester II No. 9588.
1. Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
2. Select 'Special functions' in the Vehicle type menu and confirm with the >> key
3. Select 'Vehicle hand-over' in the Control modules menu and confirm with the >> key
4. Follow the instructions of the Porsche System Tester II No. 9588.
Ring Break Diagnosis Line
Ring Break Diagnosis Line
The ring break diagnosis is an electrical lead, which, as a stub cable, connects the individual MOST control units in the system with one another. The
existing MOST control units are checked at regular intervals during communication with the control units via the electrical/ optical MOST.
Single CD
Single CD
The CD player is part of the PCM2. It is used to update the navigation system.
Telephone/Telematics