Porshe 911 (997). Manual - part 773

Installation position of lumbar support

Pulling off hoses on the lumbar support control valve

1. Pull off the red and blue hose -1- on the lumbar support control valve -2- .

Pulling hoses out of the backrest frame

2. Pull the red and blue hose -1- out of the backrest frame

-2-

 .

Note

Diagnostic system: reading out fault memory and activating systems

Removing lumbar support

3249

Only for seats with a memory function

Pulling connectors off the lumbar support sensors

3. Pull connectors off the lumbar support sensors.

3.1. Swivel lumbar support -1- upward -arrow A- .

3.2. Pull the two sensors -2- forward behind the backrest panel -arrows

B-

 .

3.3. Release both connectors -3- at the sensors -2- ( -arrow a- ) and unplug them -arrow C- .

Removing lumbar support

4. Remove the two tie-wraps -2- on the lumbar support -1- .

5. Remove lumbar support -1- together with the red and blue hose -3- .

Installing lumbar support

Installing lumbar support

Diagnostic system: reading out fault memory and activating systems

 Installing lumbar support

3250

Installing lumbar support

1. Install the lumbar support -1- together with the red and blue hose

-3-

 .

2. Secure the lumbar support -1- to the grille using two new tie-wraps -2- .

Note

Only for seats with a memory function

Attaching connectors to the lumbar support sensors

3. Attach connectors to the lumbar support sensors.

Note

Observe installation position of connectors!
Push red-lilac-brown connector onto the sensor at the top air cushion.
Push red-white-brown connector onto the sensor at the bottom air cushion.

3.1. Connect the two connectors -3- to the sensors -2- ( -arrow A- ) until they engage securely.

3.2. Push the two sensors -2- behind the backrest panel -arrows B- and fold down the lumbar support

-1-

 ( -arrow C- ).

Diagnostic system: reading out fault memory and activating systems

Installing lumbar support

3251

Laying hoses on the backrest frame

4. Lay the red hose and the blue hose -1- on the backrest frame -2-

.

Sliding hoses onto the lumbar support control valve

Note

Observe the installation position of the hoses!
Push on the blue hose onto the connection marked B and push on the red hose onto the connection marked R.

5. Slide the red and blue hose -1- onto the lumbar support control valve -2- .

6. Check the function of the lumbar support using the test cable.

Checking seat following removal

1. Connect the removed seat to the vehicle's wiring harness via test cable 9745 and test cable

9745/1

.

2. Connect electric plug to control module trim panel. → 721619 Removing and installing control

module trim panel - section on "Installing"

3. Connect the battery. → 2706IN IN -Work instructions after disconnecting the battery

4. Switch on ignition.

5. Carry out a function check on the seat components.

6. Switch off ignition after function test and disconnect battery.

Diagnostic system: reading out fault memory and activating systems

Checking seat following removal

3252