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.
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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.
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- Ensure correct fit of retaining clip to door inner closing panel.
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- 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:
Remove the component.
Special Tool(s): JLR-303-1627
NOTE:
Lubricate the seal with clean engine oil.
CAUTION:
Extreme cleanliness must be exercised when handling this
component.
CAUTION:
Make sure that the area around the component is clean and
free of foreign material.
Torque: 25 Nm
CAUTION:
If the TCM detects a fault with the transmission system, it will enter a
default (limp home) mode to prevent further damage to the transmission
and allow the vehicle to be driven. If possible reverse gear will be available
and also 3rd gear only.
When a fault is detected, a high speed CAN powertrai