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Scan Tool Testing and Procedures






Comfort System Central Control Module (J393), 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 Comfort System Central Control Module:

• Left Rear Entry Light (W33)

• Left Rear Central Locking Lock Unit (F222) (central locking of left rear door is activated)

• Right Rear Entry Light (W34)

• Right Rear Central Locking Lock Unit (F223) (central locking of right rear door is activated)

• Tank flap activation (tank flap is opened)

• Rear lid activation (rear lid is opened)

• Vehicle Inclination Sensor Indicator Lamp (K188) (LED) in Interior Monitoring Deactivation Switch (E267)

• Interior Monitoring -Off- Indicator Lamp (K162) (LED) in Deactivate Vehicle Inclination Sensor Button (E360)

• Alarm Horn (H12)

- 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

• Comfort system

• Functions - central control module for comfort system

• Comfort System Central Control Module -J393-, output Diagnostic Test Mode (DTM)