9-3 (9440) L4-2.0L Turbo (2007)
Seat Occupant Classification Module - Air Bag: Description and Operation
Control Module, PPS (591)
Location
Control module, PPS (591)
Main task
The control module governs the indicator lamps, passenger airbag/side airbag ON/OFF, and monitors all the component parts in the system. The values
are filtered through a calculation algorithm in the control module that takes into account pressure, tension and temperature and the weight can be
calculated.
Type
The control module contains a microprocessor, ROM and EEPROM. The control module sends information via a serial communication cable to ACM
(331).
Connect
Wiring diagram, power supply