Initial Inspection and Diagnostic Overview

Steering Column Switch

CAUTION!
The removal and installation of individual steering column switch components must be done in a specified sequence. Refer to=> [ Steering Column Switch Components ] Steering Column Switch.

• After installing a new Steering Column Electronic Systems Control Module, it must be coded. Refer to=> [ Steering Column Electronic Systems Control Module, Coding ] Programming and Relearning

• If malfunctions occur at steering column switch, coding of Steering Column Electronic Systems Control Module must be checked. Refer to=> [ Steering Column Electronic Systems Control Module, Coding ] Programming and Relearning.

DTC recognition and display:

Steering Column Electronic Systems Control Module ( J527) is equipped with On Board Diagnostics (OBD) which assists troubleshooting.

For troubleshooting, use Vehicle Diagnostic, Testing and Information System (VAS 5051A) in operating mode " Guided Fault Finding".