A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
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.