LR3/Disco 3
Central Junction Box (CJB)
The CJB monitors the status of the lighting circuits, relays and switches. If a fault occurs, the CJB stores a fault code
applicable to the specific fault which can be retrieved using T4 or other suitable scan tool.
CONTROL DIAGRAM
NOTE :
to earth
LH or RH Levelling Motor Failure
Levelling does not function
Open circuit or short circuit
to earth or 12V
CAN bus failure
Swivelling and levelling do not function. Other vehicle
system functions perhaps also inoperative
Open circuit or short circuit
to earth or 12V
A = Hardwired; D = High Speed CAN Bus; O = LIN Bus
