Seat Position Sensor, Removing And Installing

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required

Gauge - Gap Adjustment: 3371 or
Gauge - Eos Roof: VAS6448
Engine/Transmission Holder - Seat Repair Fixture: VAS6136

The seat position sensor is available as a replacement part with the wiring harness and connector. The following wires with connectors are incorporated in the wiring harness:

Driver seat: wire with seat belt latch coupling connector.
Front passenger seat: wire with seat belt latch coupling connector, Front Passenger Occupant Detection Sensor -G128- and Passenger Occupant Detection System Control Module -J706-.

Removing

WARNING:

Follow all safety precautions when working on pyrotechnic components. Refer to SAFETY PRECAUTIONS FOR PYROTECHNIC COMPONENTS .
Before handling airbag units (for example, disconnecting the connector), the person handling it must "discharge static electricity". For example, this can be done by briefly touching the door striker.

-- Remove the front seat. Refer to FRONT SEAT, REMOVING AND INSTALLING .

-- Fasten the front seat on the : VAS6136 . Refer to FRONT SEAT, MOUNTING ON FIXTURE FOR SEAT REPAIR .

-- Remove the rear bracket for the wire routing from the seat pan with a screwdriver.

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-- Separate the cable holder -2 and 5- and cable tie -3 and 4-.

-- Remove the Driver Seat and Front Passenger Seat Position Sensors -G553- / -G554- from the protective cover -1- and free up.

-- Remove the bolt -2-.

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-- Unclip and disengage the seat position sensor -1- for the seat pan lower frame -3- -arrow-.

-- Remove the cable ties or cable clips for the wire on the seat pan lower frame.

Driver Seat:

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-- Free up the connector -3- for the seat belt latch and disconnect.

-- Remove the seat position sensor -1- with the wires -2-.

Front Passenger Seat:

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-- Free up the connector -1- for the seat belt latch and disconnect.

-- Disconnect the connector -3- on the Front Passenger Occupant Detection Sensor -G128-.

-- Remove the seat position sensor -4- with the wires -2-.

Installing and Adjusting

WARNING:

Follow all safety precautions when working on pyrotechnic components. Refer to SAFETY PRECAUTIONS FOR PYROTECHNIC COMPONENTS .
Before handling pyrotechnic components (for example, connecting a connector), the person handling it must "discharge static electricity". For example, this can be done by briefly touching the door striker.
Follow all the instructions when installing the front seat. Refer to FRONT SEAT, REMOVING AND INSTALLING .

-- Hook the bracket -2- into the upper seat rail and clip it in.

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-- Slide the seat position sensor -4- on the bracket and position at a distance -a- = 4.0 mm to the lower seat rail -1-.

-- To do this, position the : 3371 / : VAS6448 / 4 mm between the seat position sensor and the lower seat rail and tighten the screw -3-.

NOTE:

Check the seat position sensor with the Vehicle Diagnostic Tester.

Further installation is the reverse order of removal.