"The exterior lighting is controlled by the CJB (central junction box). The CJB controls the following vehicle functions:
Control and monitoring of exterior lamps including turn signal indicators and hazard warning functionality
Communication and control and monitoring of trailer lighting via the trailer module
Monitoring and evaluation of check control inputs from other system control modules and output of applicable
messages in the instrument cluster message center.
The CJB is connected to the medium and high speed CAN (controller area network) bus. The CJB contains a
microprocessor which performs the control, monitoring and evaluation functions.
A combined rain/light sensor is fitted which controls the automatic wiper operation and the automatic lighting
An Auto High Beam system can also be fitted which automatically controls the high beam headlamps.
All exterior lamps are LED (light emitting diode) apart from the Xenon headlamps and the reverse lamps.
The exterior lighting system comprises the following exterior lamps:
Front and rear side lamps
License plate lamps
Side marker lamps (if fitted)
Front and rear turn signal indicator lamps
Turn signal indicators side repeater lamps
Stop lamps and High Mounted Stop Lamp (HMSL)
Rear fog lamps
Front fog lamps
Static bending lamps (if fitted - AFS headlamp except NAS)
Low and high beam headlamps
Adaptive Front lighting System (AFS) (if fitted).
Daytime Running Lamps
CENTRAL JUNCTION BOX
The CJB is located behind the glove compartment and is connected to the vehicle wiring harness.
The CJB receives four permanent battery power supplies via the BJB (battery junction box)."
There is also a headlight leveling control module that is in the engine compartment on the driver's side (LHD).