Cruise Control Switch, Checking

Special tools and workshop equipment required 

• Vehicle Diagnosis, Testing and Information System VAS 5051B

General Information 

Cruise Control System functions are controlled by the Engine Control Module (ECM) -J623-. The cruise control switch -E45- inside the steering column switch operates the cruise control.

There are no additional components in the turn signal lever other than the cruise control switch.

Connector assignment on the cruise control switch, refer to CRUISE CONTROL SWITCH CONNECTOR ASSIGNMENTS .

Cruise control switch, removing and installing, refer to STEERING COLUMN SWITCH .

Checking 

-- Connect the VAS 5051B. Refer to VEHICLE DIAGNOSIS, TESTING AND INFORMATION SYSTEM, CONNECTING .

-- In VAS 5051B, select operating mode "Guided Fault Finding".

-- Using the Go to  button, select "Functions/Component selection" and the following menu options in sequence:

• Powertrain
• Select the installed engine
• 01 - On Board Diagnostic (OBD) capable systems
• Motronic engine control module (gasoline engine)
• Diesel direct injection and preglow system (diesel)
• Electrical Components
• Cruise Control Switch