Purpose/Design/Function

Purpose
- Pneumatic control of functions for the following systems:
Central locking (CL)
Remote trunk release (RTR) and retractable rear head restraints (RHR)
- Control of anti-theft alarm (ATA)
- Control of trunk lamp (E18/1), rear dome lamp (E15/3) and D-pillar interior lamps (E25/3 and E25/4)
- Control of rear window defroster

Design
The dual pressure pump is integrated into the PSE.

Function
Lock and unlock central locking and trunk pneumatically