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Bus signals, PSM

Bus signals, PSM

For a more in-depth description of the car's bus system, see System overview, bus and diagnostic communication, petrol and System overview, bus and diagnostic communication, diesel .

PSM uses the following information:

Information

Value/Units

Off

Description

+54

ON/OFF

DICE

DICE supplies PSM with information on the +54 circuit.

Diagnostics



DICE

PSM communicates with the diagnostic tool via DICE.

Driver's door

open/closed

TWICE

TWICE sends information on whether the driver's door is open or closed.

Passenger door

open/closed

TWICE

TWICE sends information on whether the passenger door is open or closed.



PSM sends out the following information:

Information

Value/Units

Used by

Description

Sound signal (acoustic confirmation)



SID

SID receives information on whether a programming command has been performed and then gives an acoustic signal to indicate that the programming is complete.

Memory store button

ON/OFF

PMM

PMM (Power Mirror Memory) uses the PSM memory function to store three settings for the electrically adjustable door mirrors.

Memory button

1,2,3

PMM

PMM (Power Mirror Memory) uses the PSM memory function to store three settings for the electrically adjustable door mirrors.

Diagnostics



DICE

The diagnostic tool Tech 2 receives information from the PSM system via DICE.