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 (VAS 5051A)

The following components and functions can be checked via output Diagnostic Test Mode (DTM) of Comfort System Central Control Module:

• Interior Monitoring Off Indicator Lamp (K162) in Interior Monitoring Deactivation Switch (E267)

• Vehicle Inclination Sensor Indicator Lamp (K188) in Deactivate Vehicle Inclination Sensor Button (E360)

• Alarm Horn (H12) (for anti-theft warning system)

• Signal sunroof open

• Signal sunroof close

• Rear window release

• Rear lid release

• Activation of rear wiper interval

• Activation of rear wiper wiper/washer function

• Driver door illumination, Driver Interior Locking Indicator Lamp (K174) , Driver Inside Door Handle Illumination (L146) , Driver Door Warning Lamp (W30) , Left Front Entry Light (W31) , Driver entry lamp in exterior rearview mirror (W52) and Left Mirror Turn Signal Lamp (L131).

• Front passenger door illumination, Front Passenger Central Locking -SAFE- Indicator Lamp (K204) , Front Passenger Inside Door Handle Illumination (L147) , Front passenger door warning lamp (W36) , Right Front Entry Light (W32) , Front passenger entry lamp in exterior rearview mirror (W53) and Right Mirror Turn Signal Lamp (L132).

• Left rear door illumination, Left Rear Door Warning Light (W37) , Left Rear Entry Light (W33) and Left Rear Inside Door Handle Illumination (L133)

• Right rear door illumination, Right Rear Door Warning Light (W38) , Right Rear Entry Light (W34) and Right Rear Inside Door Handle Illumination (L134)

• Central locking for driver door

• Central locking for front passenger door

• Central locking for left rear door

• Central locking for right rear door

• Left Brake/Tail Light (M21) , Right Brake/Tail Light (M22) , Left Tail Light Lamp 2 (M49) and Right Tail Light Lamp 2 (M50)

• High-mount Brake Light (M25) , Left Brake/Tail Light (M21) , Right Brake/Tail Light (M22)

• Left Rear Fog Light (L46) and Right Rear Fog Light (L47)

• Left License Plate Light (X4) and Right License Plate Light (X5) , Left Back-Up Light (M16) and Right Back-Up Light (M17) , Luggage Compartment Light (W3) , Rear Lid Courtesy Lamp (W51)

• Rear window heater

• Driver side mirror functions (heater, folding-in)

• Passenger side mirror functions (heater, folding-in)

• Above system/component checks depend on market version and installed equipment.

- Connect the (VAS 5051A).

- In (VAS 5051A) , select operating mode "Guided Fault Finding".

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

• Body

• Body repair procedures

• 01 - On Board Diagnostic (OBD) capable systems

• Comfort system central control module

• Functions

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