Combination Switch: Description and Operation

Steering Column Switch


When disconnecting and connecting the battery, always perform the work procedure as described in the repair manual. Refer to => [ Battery, Disconnecting and Connecting ] Battery, Disconnecting and Connecting. Not adhering to sequence will result in the deactivation of Main Battery Switch -E74- and subsequent damage to electrical system components.

• After installing a new Steering Column Electronic Systems Control Module (J527) , it must be coded. Refer to => [ Steering Column Electronic Systems Control Module ] Testing and Inspection.

• If malfunctions occur at steering column switch, output Diagnostic Test Mode (DTM) of Steering Column Electronic Systems Control Module (J527) must be performed. Refer to => [ Steering Column Electronic Systems Control Module, Output Diagnostic Test Mode (DTM) ] Steering Column Electronic Systems Control Module, Output Diagnostic Test Mode (DTM).

• Additional information

Refer to the Owner's Manual.

Refer to Self Study Program No. 297; The Touareg.

Refer to Self Study Program No. 298; The Touareg Electrical System.

DTC Recognition and Display

The 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".