Automatic High Beam Assist Control Module -J844-, Replacing

The procedure for "replacing the automatic high beam control module" includes the following steps:

• If a new Automatic High Beam Assist Control Module -J844- (new interior rearview mirror) is installed in the vehicle, then the Automatic High Beam Assist Control Module -J844- must be coded.
• Then the Automatic High Beam Assist Control Module -J844- must be adapted.

The procedure to "replace the automatic high beam control module" can only be performed with the Vehicle Diagnostic Tester in the "guided fault finding" function.

Procedure 

-- Connect the Vehicle Diagnostic Tester.

-- Select Guided Fault Finding  .

-- Use the GO TO  button to select the "function/component selection" and the following menu options one after the other:

• Body
• Electrical Equipment
• 01 - OBD-capable systems
• 20 - Automatic High Beam Assist Control Module -J844
• High beam assistant, functions
• Replace control module