Steering Column Electronic System Control Module (J527)
Steering Column Electronic System Control Module (J527)
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.
- If the control module was replaced, select the "Replace" function for the respective control module in "Guided Fault Finding" or "Guided Functions" using the Vehicle diagnostic tester.
Removing
• Steering must be in the center position (wheels in straight ahead position) when removing and installing the coil connector with slip ring.
- Adjust the steering wheel downward and to the rear as far as possible, use the entire adjustment range of the steering column adjustment for this.
- Remove the driver airbag.
- Remove the steering wheel.
- Remove the steering column trim.
- Remove the 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 the steering column trim.
- Install the 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 using the Vehicle diagnostic tester.