Land Rover Defender: Handles, Locks, Latches and Entry Systems - Control Diagram
CONTROL DIAGRAM - 1 OF 2 - CENTRAL DOOR LOCKING SYSTEM
NOTE:
Vehicle with 5 doors is shown, vehicle with 3 doors is similar.
.png)
A = HARDWIRED: F = RF TRANSMISSION: O = LIN: AZ = HS CAN BODY SYSTEMS BUS:
BA = HS CAN HMI SYSTEMS
BUS.
- BCM/ GWM
- RFA
- PDM
- DDM
- PRDM
- DRDM
- IPC
- Fuel flap release motor
- CDL motor - Tailgate
- Ground
- Power supply
- Tailgate ajar switch
- Smart key
- Hood ajar switch
- RF receiver
- Tailgate open switch
CONTROL DIAGRAM - 2 OF 2 - DOOR LATCHES
NOTE:
The driver door is shown, the others are similar.
.png)
A = HARDWIRED: AZ = HS CAN BODY SYSTEMS BUS.
- DDM
- BCM/ GWM
- CDL motor
- Ground
- Power supply
- CDL lock/unlock switch
- Ajar switch and status switch - Door latch
READ NEXT:
DIAGNOSIS AND TESTING
PRINCIPLES OF OPERATION
For a detailed description of the Locks, Latches and Entry Systems, refer to
the relevant Description and Operation
section in the workshop manual. REFER
GENERAL PROCEDURES
CHECK
CAUTIONS:
If the striker bolts are fully removed, new bolts must be installed.
Make sure to protect the paintwork.
NOTES:
This procedure contains some variation in the i
GENERAL PROCEDURES
ACTIVATION
CAUTION:
Do not dismantle pre-assembled exterior door handles before painting as this
will cause damage to the
weatherproof seals.
NOTES:
This procedure contains some
SEE MORE:
Make sure the relevant safety warnings
and cautions have been read and
understood before towing a trailer.
Before towing a trailer, make sure both
the vehicle and the trailer are being used
in accordance with the manufacturer's
recommendations, and any applicable
legislation.
Engage low range in or
COMPONENT REMOVAL
Whenever possible, clean components and the surrounding area before removal.
Blank off openings exposed by component removal.
Following disconnection, seal fuel, oil or hydraulic lines immediately
using suitable blanking plugs or caps.
Seal open ends of exposed oil ways using
© 2010-2026 Copyright www.lrdefender.org
