Cayenne S (9PA) V8-4.5L (2003)
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Telephone/telematics optional
Identification
Identification
The diagnosis software number and the part number for the PCM2 can be read out under this menu item.
1. Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
2. Select 'Cayenne' in the Vehicle type menu and confirm with the (->)key.
3. Select 'PCM2' in the Control units menu and confirm with the >> key.
4
Select 'PCM2/CDR23' in the Control units menu and confirm with the >> key.
5. Select 'PCM2 GW' in the Cayenne PCM2/CDR23 function selection menu and confirm with the >> key.
6. Select "Identification" in the Cayenne PCM2/CDR23 menu, PCM2 GW function selection and confirm with the >> key.
7. "Diagnosis software number; PCM2 parts number" appears on the display.
Input Signals
Input signals
The following queries can be run using this menu item:
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Reverse-gear signal
NOTE: Deactivate the 'automatic traffic announcement' before performing the diagnosis on the PCM2. If this is not done, the diagnosis will abort.
Internal Amplifier
Internal amplifier
The internal amplifier is part of the PCM2 (installed on the main board).
Lock/Unlock
Lock/Unlock
There is a lock present when the MOST signal sent by the MMI (electronically or optically via the optical waveguide) can be recognised by the
connected MOST control units.
Man Machine Interface (MMI)
Man Machine Interface (MMI)
The MMI is part of the PCM2 (on the main board). It runs the gateway commands via the wake-up signal line and the distribution line diagnosis.
MOST - Optical/Electrical
MOST - Optical/Electrical
MOST signals are transferred electrically within the PCM2 and optically outside of the PCM2. Internally, the PCM2 consists of at least 2 nodes (GW
and MMI), which are installed in the device and can also be expanded to four nodes by adding the navigation and VOCS nodes.