Land Rover Discovery: Window Diagnostics - Pinpoint
Tests
NOTE:
The door window regulator motor can be removed from the
regulator. Install a new door window regulator motor only not the
complete assembly for this concern.
ANTI - RATTLE RETAINING CLIP FITMENT
- Remove the door trim panel as required. REFER to: Front Door Trim Panel (501-05 Interior Trim and
Ornamentation, Removal and Installation).
/
REFER to: Rear Door Trim Panel (501-05 Interior Trim and
Ornamentation, Removal and Installation).
- Ensure correct fit of retaining clip to window regulator cable.
- Ensure correct fit of retaining clip to door inner closing panel.
- Ensure all door window regulator fixings are secured to the correct
tightening torque.
REFER to: Front Door Window Regulator and Motor (501-11 Glass,
Frames and Mechanisms, Removal and Installation).
/
REFER to: Rear Door Window Regulator and Motor (501-11 Glass,
Frames and Mechanisms, Removal and Installation).
DTC INDEX
For a list of Diagnostic Trouble Codes (DTCs) that could be logged on this
vehicle, please refer to Section 100-00. REFER to: (100-00 General
Information)
Diagnostic Trouble Code Index - DTC: Driver / Passenger / Rear Left / Rear
Right Door Module (DDM/PDM/RLDM/RRDM) (Description and Operation),
Diagnostic Trouble Code Index - DTC: Central Junction Box (CJB)
(Description and Operation).
READ NEXT:
NOTES:
Make sure that the vehicle battery is fully charged before carrying
out this procedure.
After the battery has been disconnected or a new window regulator
and motor or door module has been
PRINCIPLES OF OPERATION
For a detailed description of the Glass, Frames and Mechanisms, refer to
the relevant Description and Operation section in the workshop manual.
REFER to: Glass, Frames and Mec
SPECIAL TOOL(S)
REMOVAL
NOTE:
Removal steps in this procedure may contain installation details.
Release the door window glass.
Special Tool(s): 501-114
INSTALLATION
To install, reverse the re
SEE MORE:
INSTALLATION
Dress the flanges where necessary.
Offer up the new back panel outer panel and clamp into position.
Check alignment, if correct, proceed to next step, if not, rectify and
recheck before proceeding.
Drill holes where the MIG plug welds are to be installed as
indicated.
Remove
PROGRESS CONTROL SYSTEM
OVERVIEW
The Progress control system can help the
driver to manoeuvre on slippery surfaces.
The system operates in either a forward
or a reverse direction at low speeds, for
example, pulling away from standstill,
ascending or descending an incline, and
driving on unstable/sl