Front Seat, Removing a Faulty Seat Forward/Back Adjustment Motor V288

Front Seat, Removing a Faulty Seat Forward/Back Adjustment Motor V288

• The seat pan is shown without upholstery and backrest in illustration to provide a better overview.

Removing

• Follow all safety precautions when working on pyrotechnic components. Refer to => [ Restraint System Components, Safety Precautions and Testing Procedures ] Service Precautions.

- If possible, move seat as high up as possible.

- Remove the bolt - 3 -.






- Disconnect threaded connection - 4 -.

Loosen bolts - 2 - only after checking electrical or electronic components and wires.

After loosening bolts - 2 -, lower part of seat pan - 5 - including Seat Fore/Aft Adjustment Motor (V288) must be replaced with transverse member.

- Move the seat forward. Remove the steering wheel if necessary.

• Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.

• Check electrical and electronic components and wires before removing seat further to avoid unnecessary repair costs.

- Perform the following tests:

• Check voltage at connector station, perform Fault Finding if necessary.

• Check the voltage to the seat forward/back adjustment motor (V288)

- Replace the fuse if faulty.

- If there is no voltage at the connector station, repair or replace the wire.

- Replace the seat pan lower frame if the seat forward/back adjustment motor (V288) is faulty. Refer to => [ Seat Pan, Disassembling and assembling ] Seat Pan, Disassembling and assembling.

Continue removing only if the seat forward/back adjustment motor (V288) is faulty

- Disconnect battery ground cable.

- Remove transverse member bolts - 2 - (quantity: 4) on both sides.






• Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.

- Disconnect connector at Seat Fore/Aft Adjustment Motor (V288).

- Move seat until bolts - 1 - (quantity: 4) are visible.






- Remove bolts - 1 - (quantity: 4).

- Disconnect the harness connectors at the connector station. Refer to => [ Harness Connectors, Disconnecting and Connecting ] Harness Connectors, Disconnecting and Connecting.

- Connect Airbag Adapter (VAS 6281). Refer to => [ Airbag Adapter, Connecting ] Airbag Adapter, Connecting.

- With help from a second technician, lift the front seat out of vehicle.

- Attach the front seat to the fixture for seat repair (VAS 6136). Refer to => [ Installing Front Seat On VAS 6136 ] Installing Front Seat on VAS 6136.

- Separate the lower frame - 5 - from the upper frame - 6 -. Refer to => [ Seat Pan, Disassembling and assembling ] Seat Pan, Disassembling and assembling.






- Replace seat pan lower frame - 4 - with Seat Fore/Aft Adjustment Motor (V288) with the transverse member. Refer to => [ Seat Pan, Disassembling and assembling ] Seat Pan, Disassembling and assembling.

Installation

Install in reverse order of removal. Note the following:

• Follow all safety precautions when working on pyrotechnic components. Refer to => [ Restraint System Components, Safety Precautions and Testing Procedures ] Service Precautions.

• Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.

- Remove the airbag adapter (VAS 6281) only after installing the front seat. Refer to => [ Airbag Adapter, Connecting ] Airbag Adapter, Connecting.

- Connect the connectors to the connector station in the floor panel. Refer to => [ Harness Connectors, Disconnecting and Connecting ] Harness Connectors, Disconnecting and Connecting.

• Make sure the connectors are installed all the way in and are secure.

- Switch on ignition.

Connect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

- Connect battery ground cable with ignition switched on.

- If Airbag Malfunction Indicator Lamp (MIL) (K75) indicates a fault after installation, DTC memory must be checked, deleted and checked again.

Tightening specifications:

• Front Seat Assembly Overview, refer to => [ Front Seat Assembly Overview ] Front Seat Assembly Overview

• Seat pan, assembly overview, refer to => [ Seat Pan Assembly Overview ] Seat Pan Assembly Overview