Seat Occupant Sensor: Service and Repair

Seat Occupant Sensor, Removing And Installing

WARNING: Before starting work on seats, connect VAS 5094 airbag adapter.

NOTE: The seat occupant sensor will be used at a later time.







- Removing seat.
- Remove seat cover.

NOTE: Sensor mat is only available as a replacement part which includes seat heater and seat cushion.

- Press retaining tabs - 3 - and disconnect connector - 1 - for seat occupant sensor from connector strip - 4 -.
- Disconnect Ground (GND) strap from harness connector - 1 - (location - 4 -).
- Unclip harness connector - 5 - and disconnect intermediate connector to backrest.
- Remove seat cushion along with sensor mat and seat heater from seat pan.
- When installing, make sure bar - 2 - points toward tunnel.
- After installing sensor mat, test sensor mat function using VAG1551 Scan Tool (ST).

Testing sensor mat function

NOTE: Illustration is shown without cover.

- Remove any seat mats before testing sensor mats.
- Connect VAG1551 scan tool.
- Select Read Measuring Value Block (function 08) and input display group number 003.
Read Measuring Value Block number 2 for seat occupant sensor passenger side indicates: not occupied.







- Test each sensor group by pressing on them with your hand until display changes from "not occupied" to "occupied" (max. load 12 kg).

NOTE: If "occupied" is indicated, even though you are not pressing sensor group, either the sensor mat is malfunctioning or the seat cover is too tight.