Steering Column Electronic Systems Control Module

Steering Column Electronic Systems Control Module

The airbag spiral spring/return spring with slip ring (F138) and the steering angle sensor (G85) are integrated in the steering column electronic systems control module (J527).

Removing

- If the control module was replaced, select the Replace function for the respective control module in Guided Fault Finding or Guided Functions.

- Select the function or path.






- Follow the instructions on the Vehicle Diagnosis Tester display.

• Steering must be in center position (wheels in straight ahead position) when removing and installing coil connector with slip ring.

- Adjust steering wheel downward and to rear as far as possible, use entire adjustment range of steering column adjustment for this.

- Remove the driver airbag.

- Remove steering wheel.

- Remove steering column trim.

- Remove bolt - 1 -.





- Release the retaining hooks - arrows - carefully and remove the airbag spiral spring/return spring with slip ring - item 2 - from the steering column switch module - 3 -.

- Release the electrical connectors on the airbag spiral spring/return spring with slip ring - item 3 - by positioning the screwdriver at the retaining hooks - 2 - and - 4 - as illustrated and carefully releasing the connectors - 1 - and - 5 - in the - direction of arrow A -.





- Remove the airbag spiral spring/return spring with slip ring on the steering column switch module.

Installing

Install in reverse order of removal, observing the following:

- Make sure all retaining hooks and connectors are engaged securely.

- Install steering column trim.

- Install steering wheel.

- Install the driver airbag.

- The steering angle sensor must be adapted in Guided Fault Finding or Guided Functions after replacing the airbag spiral spring/return spring with slip ring.

- Select the function or path






- Follow the instructions on the Vehicle Diagnosis Tester display.