Table of contents: Removal the backrest adjustment motor ↓ Installation ↓ Electric motor for seat height… ↓ Removal the seat tilt adjustment… ↓ Installation ↓ Control panel and seat adjustment… ↓ Seat ventilation control unit (seat… ↓ Seat cushion and backrest fan… ↓ Seat cushion fan ↓ Removal ↓
1. Seat position sensor. Driver side: driver seat position sensor "G553". Front passenger side: front passenger seat position sensor "G554"; 2. Electric motor for adjusting the longitudinal position of the seat. On the driver's side: electric motor for adjusting the longitudinal position of the lumbar support of the driver's seat "V28". On the front passenger's side: electric motor for adjusting the longitudinal position of the front passenger's seat "V31"; 3. Heating element; 4. Electric motor for adjusting the backrest. On the driver's side: electric motor for adjusting the position of the driver's seat back "V45". Front passenger side: electric motor for adjusting the position of the front passenger seat back "V46"; 5. Footwell light; 6. Four-way lumbar support. Not disassemblable; available only as a complete unit. Driver's side: with driver's seat lumbar support longitudinal adjustment motor "V125". With driver's seat lumbar support height adjustment motor "V129". Front passenger side: front passenger seat lumbar support longitudinal adjustment motor "V126". Front passenger seat lumbar support height adjustment motor "V130"; 7. Side Airbag, front. Driver's side: with driver's side airbag squib "N199"; from the front passenger side: with the pyropatron of the side Airbag of the front passenger "N₂00"; 8. Seat occupied sensor on the front passenger side "G128" (for front passenger seat only); 9. Seat height adjustment motor. Driver side: Driver's seat height adjustment motor "V245". Front passenger side: Front passenger seat height adjustment motor "V246". 10. Seat position control panel. Driver side: Driver's seat position control panel "E470" with: Driver's seat backrest adjustment switch "E96"; driver's seat tilt adjustment switch "E222"; driver's seat longitudinal adjustment switch "E363"; driver's seat height adjustment switch "E364". On the front passenger side: front passenger seat position control panel "E471" with: front passenger seat longitudinal adjustment switch "E64"; front passenger seat backrest adjustment switch "E98"; key for adjusting the angle of the front passenger seat "E334"; switch for adjusting the front passenger seat height "E365"; 11. Switch for adjusting the position of the lumbar support. On the driver's side: switch for adjusting the position of the lumbar support of the driver's seat "E176". On the front passenger side: switch for adjusting the position of the lumbar support of the front passenger seat "E177"; 12. Motor of the seat tilt adjustment system. On the driver's side: electric motor for adjusting the angle of inclination of the driver's seat cushion "V243". Front passenger side: electric motor for adjusting the angle of the front passenger seat cushion "V244"; 13. Used for seat and steering column adjustment with memory function. Seat option with memory function: on the driver's side - control unit for seat and steering column adjustment with memory function "J136"; on the front passenger side - front passenger seat adjustment control unit with memory function "J521". Version complete with seat heating or with comfort seat: driver's side - left front seat ventilation control unit "J800" (built-in seat heating function); front passenger side - Right front seat ventilation control unit "J799" (built-in seat heating function);Removal the backrest adjustment motor
Remove the front seat. Secure the front seat in the seat repair holder "VAS 6136". Remove the trim on the tunnel side. Remove the trim on the threshold side. Remove the backrest trim. Mark the angular position of the backrest upholstery on the left and right as shown in the figure: apply a permanent mark (dash) "arrow B" on the backrest frame "2" directly on the front edge "arrow A" of the upholstery "1".
When marking, avoid damaging the surface of the pad by scratching or damaging the marking. Unscrew the nut "4" of the shaft "3". Remove the cushions from the backrest frame in the area of the frame upholstery. Remove the shaft "3" "in the direction of the arrow" from the backrest frame "1". Disconnect the plug connector "6" from the seat backrest adjustment motor "7". Unscrew the screw "2" and remove the backrest adjustment motor from the bracket "5", to slightly press the lumbar support adjustment motor forward
Installation
Before installation, clean the thread of the shaft "3", for example, with a tap. Check the position of the frame "2" and upholstery "1" on the left and right sides of the backrest. The backrest frame on the left and right must be in the position marked before removal "arrows A and B". If the backrest frame on the left and right is not in the position marked before removal, correct its position. Install the backrest adjustment motor "1" on the bracket "3". Replace the bolt "4", lubricate it with thread varnish "D OOO 600 A2" and tighten by hand.
Do not move the backrest adjustment motor yet. Slide the shaft through the cover first (from the tunnel side) to the fastening "2" in the backrest adjustment motor. Check that the profiles of the moved shaft and the fastening "2" in the backrest adjustment electric motor match each other.
The profiles of the shaft and the mount in the backrest adjustment motor match each other: move the shaft through the mount in the backrest adjustment motor until it stops (from the threshold side).
The profiles of the shaft and the mount in the backrest adjustment motor do not match each other: apply voltage (12 volts) from an additional power source to the backrest adjustment motor "1". Rotate the mount "2" until the profiles of the shaft and the mount match each other. Move the shaft through the mount in the backrest adjustment motor until it stops (from the threshold side).
Apply thread varnish "D OOO 600 A2" to the shaft thread. Screw a new nut "4" onto shaft "3" and tighten. Tighten the bolts of the backrest adjustment electric motor on bracket "3" to the prescribed tightening torque. Install in the reverse order. In this case, take into account that the electrical connectors must be inserted all the way with an audible lock. Connect the battery ground cable with the ignition on.
Electric motor for seat height adjustment
1. Bolt. Self-locking. 18 Nm. Replace after each removal. The threaded hole for the bolt should be cleaned, for example with a tap; 2. Nut (depending on the design). 14 Nm; 3. Seat base; 4. Bolt. Self-locking. 8 Nm. Replace after each removal. Follow the instructions for removal and installation. The threaded hole for the bolt should be cleaned, for example with a tap; 5. Seat height adjustment motor. Driver's side: Driver's seat height adjustment motor "V245". Front passenger's side: Front passenger's seat height adjustment motor "V246"; 6. Spindle nut, an integral part of the seat height adjustment electric motor. If the thread in the spindle nut is damaged, the mounting part must be replaced;Removal the seat tilt adjustment motor
Move the front seat up to the stop. Remove the front seat. Secure the front seat in the seat repair holder "VAS 6136". Disconnect the plug connectors "3" of the seat cushion angle adjustment motor. Remove the locking ring "4" from the spindle using a screwdriver. Hold the spindle "8" with pliers "9" in the shown place to prevent it from turning and unscrew the bolt "6". Unscrew the bolt "1" and remove the seat cushion angle adjustment motor "2" from the bracket. Press the upper and lower seat recess frames apart, tilt the seat cushion angle adjustment motor forward using the lead screw and unscrew it from the lead screw nut "5".
Installation
Screw the lead screw "8" of the drive as far as possible into the lead screw nut "5". Screw the bolt "6" into the lead screw by hand. Tightening the bolt "6" to the specified torque is possible if the seat is in the car and connected to the on-board network. Installation is in the reverse order, while taking into account that the electrical connectors must be inserted as far as they will go with an audible lock. Connect the battery ground cable with the ignition on. The seat is in the car and connected to the on-board network. Move the seat downwards by adjusting the tilt and tighten the bolt "6" at the same time.
Control panel and seat adjustment switch
1. Overlay on the threshold side; 2. Seat back adjustment control mechanism. Attached to the control panel; 3. Seat position lever. Fixed to the control panel; 4. Lumbar support adjustment switch. Driver's side: driver's seat lumbar support adjustment switch "E176"; on the front passenger side: switch for adjusting the lumbar support position of the front passenger seat "E177". The switch cannot be separated from the control button; 5. Bolt. 2 pcs. 1.3 Nm; 6. Bolt. 3 pcs. 1.3 Nm; 7. Seat position control panel. Driver's side: driver's seat position control panel "E470"; switch for adjusting the backrest of the driver's seat "E96"; driver's seat tilt adjustment switch "E222"; driver's seat longitudinal adjustment switch "E363"; driver's seat height adjustment switch "E364". Front passenger side: front passenger seat position control panel "E471"; front passenger seat longitudinal adjustment switch "E64"; front passenger seat backrest adjustment switch "E98"; key for adjusting the angle of the front passenger seat "E334"; switch for adjusting the front passenger seat height "E365"Seat ventilation control unit (seat with heating function)
1. Used seat ventilation (seat with heating function). Driver's side: Front left seat ventilation control unit "J800". Front passenger's side: Front right seat ventilation control unit "J799". Connected to bracket; 2. Bracket; 3. Front seat; 4. Pin for attaching the bracket to the seat cushion;Seat cushion and backrest fan installation diagram
1. Seat cushion fan. Driver side: driver seat cushion fan "V390". Front passenger side: front passenger seat cushion fan "V391"; 2. Fan 2 seat cushion. Driver side: Fan 2 driver seat cushion "V419". Front passenger side: Fan 2 front passenger seat cushion "V420"; 3. Seat back fan 2. Driver side: driver seat back fan 2 "V417". Front passenger side: front passenger seat back fan 2 "V418"; 4. Seat back fan. Driver side: driver seat back fan "V388". Front passenger side: front passenger seat back fan "V389"Seat cushion fan
1. Bolt 1.5 Nm; 2. Protective grille; 3. Gasket; 4. Seat cushion fanRemoval
Remove the seat cushion upholstery. Release and disconnect the plug connector "2". Unscrew the bolts "1" and "3". Turn the protective grille "4" counterclockwise "arrow" and remove the fan.
Installation in reverse order.