Land Rover Defender: Remote Function Actuator
DIAGNOSIS AND TESTING
PRINCIPLES OF OPERATION
For a detailed description of the keyless vehicle system, refer to the
relevant description and operation sections in the
workshop manual.
INSPECTION AND VERIFICATION
CAUTION:
Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution
of control modules does not
guarantee confirmation of a fault, and may also cause additional faults in the
vehicle being tested and/or the
donor vehicle.
NOTES:
- If a control module or a component may be at fault and the vehicle
remains under manufacturer warranty,
refer to the Warranty Policy and Procedures manual, or determine if any
prior approval program is in
operation, prior to the installation of a new module/component.
- When performing voltage or resistance tests, always use a digital
multimeter that has the resolution ability
to view 3 decimal places. For example, on the 2 volts range can measure 1mV
or 2 K Ohm range can
measure 1 Ohm. When testing resistance always take the resistance of the
digital multimeter leads into
account.
- Check and rectify basic faults before beginning diagnostic routines
involving pinpoint tests.
- Verify the customer concern
- Visually inspect for obvious signs of damage and system integrity
Visual Inspection
- If an obvious cause for an observed or reported concern is found,
correct the cause (if possible) before
proceeding to the next step
- If the cause is not visually evident, check for diagnostic trouble codes
(DTCs) and refer to the DTC index
- Check JLR claims submission system for open campaigns. Refer to the
corresponding bulletins and SSMs
which may be valid for the specific customer complaint and complete the
recommendations as required
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DIAGNOSIS AND TESTING
DESCRIPTION AND OPERATION
For a detailed description of the driver/passenger door modules, refer to the
relevant description and operation
sections in the workshop manual.
INSP
REMOVAL AND INSTALLATION
GENERAL EQUIPMENT
REMOVAL
WARNINGS:
To avoid accidental deployment, the Restraints Control Module (RCM)
backup power supply must be
depleted. Wait at least 2 minutes aft
REMOVAL AND INSTALLATION
GENERAL EQUIPMENT
REMOVAL
WARNING:
To avoid accidental deployment, the Restraints Control Module (RCM) backup power
supply must be
depleted. Wait at least 1 minute after dis
SEE MORE:
REMOVAL AND INSTALLATION
REMOVAL
NOTES:
This procedure contains some variation in the illustrations depending
on the vehicle specification, but the
essential information is always correct.
This procedure contains illustrations showing certain components
removed to provide extra clarity.
The
REMOVAL AND INSTALLATION
PART(S)
REMOVAL
CAUTION:
Protect the surrounding paintwork to avoid damage.
NOTES:
This procedure contains illustrations for left hand drive vehicles,
right hand drive vehicles are similar.
This procedure contains illustrations showing certain components
removed to p
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