Land Rover Discovery: Handles, Locks, Latches and
Entry Systems
/ Diagnosis and Test
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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 to: Handles, Locks, L
NOTE:
If the door is a rear door, ensure that the child locks are not engaged
and the fault is still present before continuing.
NOTE:
Ensure that the door latch claw remains in the fully
REMOVAL
NOTE:
Removal steps in this procedure may contain installation details.
WARNING:
Make sure to support the vehicle with axle stands.
Raise and support the vehicle.
Refer to: Rear Bumper Cover (
SEE MORE:
The VGT vane actuator is located on the side of the turbocharger.
The actuator comprises a 12V DC motor which operates a worm drive to
move the actuator arm to adjust the vane position.
The ECM controls the output to the vane actuator motor using a Pulse
width modulation (PWM) output.
The motor a
GENERAL EQUIPMENT
System pressure tester
ACTIVATION
WARNING:
Since injury such as scalding could be caused by escaping steam or
coolant, allow the vehicle cooling system to cool prior to carrying out
this procedure.
NOTES:
The following procedure will enable the cooling system to be
pressure test