Cornering Lamp and Headlamp Range Control Module (J745), Output Diagnostic Test Mode
Cornering Lamp and Headlamp Range Control Module (J745), 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 (J393) :
• Left Headlamp Beam Adjustment Motor (V48) and Right Headlamp Beam Adjustment Motor (V49)
• Left Dynamic Cornering Light Motor (V318) or Right Dynamic Cornering Light Motor (V319)
• Left Cornering Lamp (L148) or Right Cornering Lamp (L149)
• Headlamp range control lamp in instrument cluster.
• AFS (Adaptive Front lighting System) lamp in instrument cluster.
• The lamp failure indicator light lights up in instrument cluster when headlamp range control and AFS (Adaptive Front lighting System) system malfunctions.
- 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
• Electrical Equipment
• 01 - On Board Diagnostic (OBD) capable systems
• Automatic headlamp range control cornering light
• Automatic headlamp range control functions
• AFS Output Diagnostic Test Mode (DTM)