Removing PASM Control Unit

→ Remove the ignition key and switch off load before disconnecting or removing load.

Information 

An electronics module is screwed to the PASM control unit on vehicles with air suspension.

This additional electronics module remains fitted to the control unit even when the control unit is replaced.

The electronics module -1-  has two additional connectors -2-  , which must be unplugged during removal and plugged in again during installation.

Fig 1: Identifying Electronics Module On PASM And Additional Connectors

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Fig 2: Identifying PASM Control Unit

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1. Unscrew the three fastening nuts -1-  on the control unit holder.
   Fig 3: Identifying Control Unit Holder

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2. Remove control unit holder and turn it around.
3. Release, fold up and remove retaining bar -1-  .
4. Release connectors -2-  and -3-  (-a-  ) pull them off the control unit.
   Fig 4: Removing Retaining Bar And Connectors

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5. Release the holder at the left and right of the control unit -arrow-  and pull the control unit out of the holder.
   Fig 5: Removing Control Unit From Holder

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