Headlamp Range/Cornering Lamp Control Module J745
Headlamp Range/Cornering Lamp Control Module J745
- Headlamp Range/Cornering Lamp Control Module J745, removing and installing
- Headlamp Range/Cornering Lamp Control Module J745, coding
- Headlamp Range/Cornering Lamp Control Module J745, output diagnostic test mode
Headlamp Range/Cornering Lamp Control Module J745, removing and installing
Special tools, testers and auxiliary items required
- Trim removal wedge VAS 3409
NOTE: When removing and installing components in a visible area (switches, covers, trim, etc.), mask off the areas at which a prying tool ( trim removal wedge VAS 3409, screwdriver) will be positioned, using commercially available adhesive tape.
Removing:
- Switch off ignition, switch off all electrical components and remove ignition key.
- Remove side cover -1- of instrument panel, do this by inserting trim removal wedge VAS 3409 or a screwdriver into recess -2- and pry off cover -1- in -direction of arrow-.
- Disengage securing bracket -1- in -direction of arrow- and disconnect harness connector -2- from Headlamp Range Control Module J431.
- Remove mounting bolt -arrow- and remove Headlamp Range Control Module J431 -1- from bracket -2-.
Installing:
Install in reverse order of removal, noting the following:
- Insert Headlamp Range Control Module J431 -3- with retaining clip -2- in bracket -1-.
- Engage harness connector -1- by pressing securing bracket -2- in -direction of arrow-.
NOTE: After installing a new Headlamp Range Control Module J431, it must be coded.
Headlamp Range/Cornering Lamp Control Module J745, coding
- 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
- Electrical Equipment
- 01 - On Board Diagnostic (OBD) capable systems
- Automatic Headlamp Range/Cornering Lamp Control
- Automatic headlamp range control functions
- Code Control Module for AFS Light Control
NOTE: If Headlamp Range/Cornering Lamp Control Module J745 is coded, basic setting of headlamps must be performed after coding.
Headlamp Range/Cornering Lamp Control Module J745, 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 :
- Left Headlamp Beam Adjustment Motor V48 and Right Headlamp Beam Adjusting 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
NOTE: In case of malfunction in automatic headlamp range control and AFS (Adaptive Front Light System) system, "lamp failure" indicator light comes on in instrument cluster.
- 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
- Electrical Equipment
- 01 - On Board Diagnostic (OBD) capable systems
- Automatic Headlamp Range/Cornering Lamp Control
- Automatic headlamp range control functions
- Output Diagnostic Test Mode (DTM) of AFS
Adapting Headlamp Range/Cornering Lamp Control Module J745
The "Adapt Headlamp Range/Cornering Lamp Control Module" function was not yet implemented at time of publication.