Operation CHARM: Car repair manuals for everyone.

Left Rear Door Control Module (J388), Output Diagnostic Test Mode






Left Rear Door Control Module (J388), Output Diagnostic Test Mode

Special tools, testers and auxiliary items required

• Vehicle Diagnosis, Testing and Information System (VAS5051B)

• The following system/component checks depend on vehicle equipment level and market version.

The following components and functions can be checked via output Diagnostic Test Mode (DTM) of door control module:

• Actuation of left rear switch illumination

• Activation of left rear window regulator (driving down)

• Activation of left rear window regulator (driving up)

- Connect the (VAS5051B).

- On the (VAS5051B), select "Guided Fault Finding".

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

• Body

• Body repair procedures

• 01 - OBD capable systems

• Left rear door electronics

• Functions of Left Rear Door Control Module

• J388 - Left Rear Door Control Module - output Diagnostic Test Mode (DTM)