Scan Tool Testing and Procedures
Comfort System Central Control Module Output Diagnostic Test Mode
The following components and functions can be checked via output Diagnostic Test Mode (DTM) of Comfort System Central Control Module (J393):
• 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's Interior Locking Indicator Lamp (K174), Driver's Inside Door Handle Illumination (L146), Door warning lamp, driver side (W30), Left Front Entry Lamp (W31), Driver's Entry Lamp (in outside mirror) (W52) and Left Mirror Turn Signal Lamp (L131)
• Front passenger door illumination, Front Passenger's Central Locking -SAFE- Indicator Lamp (K204), Front Passenger's Inside Door Handle Illumination (L147), Door warning lamp, passenger side (W36), Right Front Entry Lamp (W32), Front Passenger's Entry Lamp (in outside mirror) (W53) and Right Mirror Turn Signal Lamp (L132)
• Left rear door illumination, Left Rear Door Warning Lamp (W37), Left Rear Entry Lamp (W33) and Left Rear Inside Door Handle Illumination (L133)
• Right rear door illumination, Right Rear Door Warning Lamp (W38), Right Rear Entry Lamp (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 Lamp (M21), Right Brake/Tail Lamp (M22), Left Tail Lamp Lamp 2 (M49) and Right Tail Lamp Lamp 2 (M50)
• High-mount Brake Lamp (M25), Left Brake/Tail Lamp (M21), Right Brake/Tail Lamp (M22)
• Left Rear Fog Lamp (L46) and Right Rear Fog Lamp (L47)
• Left License Plate Lamp (X4) and Right License Plate Lamp (X5), Left Back-Up Lamp (M16) and Right Back-Up Lamp (M17), Luggage Compartment Lamp (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 Vehicle Diagnosis, Testing and Information System (VAS 5051A).
- In Vehicle Diagnostic, Testing and Information System (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)