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XJ POWER MIRROR SYSTEMS 8T - 1
POWER MIRROR SYSTEMS
TABLE OF CONTENTS
page page
GENERAL INFORMATION
INTRODUCTION ..........................1
POWER MIRROR SYSTEM..................1
DESCRIPTION AND OPERATION
POWER MIRROR .........................1
POWER MIRROR SWITCH..................1
DOOR MODULE ..........................2
GENERAL INFORMATION
INTRODUCTION
Power operated or power operated and heated outside rear view mirrors are available factory-installed
options on this model. Refer to 8W-62 - Power Mirrors in Group 8W - Wiring Diagrams for complete circuit descriptions and diagrams.
NOTE: This group covers both Left-Hand Drive
(LHD) and Right-Hand Drive (RHD) versions of this
model. Whenever required and feasible, the RHD
versions of affected vehicle components have been
constructed as mirror-image of the LHD versions.
While most of the illustrations used in this group
represent only the LHD version, the diagnostic and
service procedures outlined can generally be
applied to either version. Exceptions to this rule
have been clearly identified as LHD or RHD, if a
special illustration or procedure is required.
POWER MIRROR SYSTEM
The power operated or power operated and heated
outside rear view mirrors allow the driver to adjust
both outside mirrors electrically from the driver seat
position by operating a switch on the driver side
front door trim panel. The power mirrors receive battery current through a fuse in the junction block, and
will only operate when the ignition switch is in the
On or Accessory positions.
The heated mirror option includes an electric heating grid behind the mirror glass in each outside mirror, which can clear the mirror glass of ice, snow, or
fog. The heating grid receives fused battery current
through the rear window defogger relay only when
the rear window defogger system is turned on. Refer
to Group 8N - Electrically Heated Systems for more
information on the rear window defogger system.
DIAGNOSIS AND TESTING
POWER MIRROR SYSTEM..................2
REMOVAL AND INSTALLATION
POWER MIRROR SWITCH..................3
DOOR MODULE ..........................3
POWER MIRROR .........................4
Following are general descriptions of the major
components in the power mirror system. Refer to the
owner’s manual in the vehicle glove box for more
information on the features, use and operation of the
power mirror system.
DESCRIPTION AND OPERATION
POWER MIRROR
Each power mirror head contains two electric
motors, two drive mechanisms, and the mirror glass.
One motor and drive controls mirror up-and-down
movement, and the other controls right-and-left
movement.
The power mirrors in vehicles equipped with the
available heated mirror option also include an electric heating grid located behind the mirror glass.
This heating grid is energized by the rear window
defogger relay whenever the rear window defogger
system is turned on. Refer to Group 8N - Electrically
Heated Systems for more information on the operation of the rear window defogger system.
The power mirror assembly cannot be repaired.
Only the mirror glass is serviced separately. If any
other component of the power mirror unit is faulty or
damaged, the entire assembly must be replaced.
POWER MIRROR SWITCH
Both the right and left power outside mirrors are
controlled by a single multi-function switch unit
located on the driver side front door trim panel. Two
versions of this switch are offered. Models without
power windows or power locks have a stand-alone
switch mounted in the driver side front door trim
panel. Models equipped with power windows and
power locks have a power mirror switch that is integral to the Driver Door Module (DDM).
Both versions of the switch are operated in the
same manner. A three position rocker-type mirror
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8T - 2 POWER MIRROR SYSTEMS XJ
DESCRIPTION AND OPERATION (Continued)
selector switch is moved right (right mirror control),
left (left mirror control), or center to turn the power
mirrors off. Then one of four directional control buttons is depressed to control movement of the selected
mirror up, down, right, or left. The directional control
buttons of the DDM-mounted switch are illuminated
when the ignition switch is in the On or Accessory
positions. The stand-alone switch is not illuminated.
The stand-alone power mirror switch cannot be
repaired and, if faulty or damaged, it must be
replaced as a complete unit. If the DDM power mirror switch is faulty or damaged, the entire DDM unit
must be replaced.
DOOR MODULE
A Driver Door Module (DDM) and a Passenger
Door Module (PDM) are used on all models equipped
with power locks and power windows. Each door
module houses both the front door power lock and
power window switches. In addition to the switches
for its own door, the DDM houses individual switches
for each passenger door power window, a power window lockout switch, the power mirror switch, and circuitry to support the one-touch down feature of the
driver side front door power window. The PDM also
houses the control circuitry and the power lock and
unlock relays for the power lock system.
The DDM and the PDM are mounted to their
respective front door trim panels. The DDM and
PDM are serviced individually and cannot be
repaired. If the DDM or PDM, or any of the switches
and circuitry that they contain are faulty or damaged, the complete DDM or PDM unit must be
replaced.
DIAGNOSIS AND TESTING
POWER MIRROR SYSTEM
For circuit descriptions and diagrams, refer to
8W-62 - Power Mirrors in Group 8W - Wiring Diagrams.
(1) Check the fuse in the junction block. If OK, go
to Step 2. If not OK, repair the shorted circuit or
component as required and replace the faulty fuse.
(2) Turn the ignition switch to the On position.
Check for battery voltage at the fuse in the junction
block. If OK, go to Step 3. If not OK, repair the open
circuit to the ignition switch as required.
(3) If the problem being diagnosed is inoperative
illumination of the power mirror switch directional
buttons for the Driver Door Module (DDM)-type
switch, proceed as follows. If not, go to Step 5. Check
the power window circuit breaker in the junction
block. If OK, go to Step 4. If not OK, replace the
faulty circuit breaker.
(4) Turn the ignition switch to the Off position.
Disconnect and isolate the battery negative cable.
Remove the driver side front door trim panel and
unplug the DDM wire harness connectors. Connect
the battery negative cable. Turn the ignition switch
to the On position. Check for battery voltage at the
fused ignition switch output circuit cavity of the
12-way DDM wire harness connector. If OK, replace
the faulty DDM. If not OK, repair the open circuit to
the power window circuit breaker in the junction
block as required.
(5) If the problem being diagnosed is an inoperative power mirror electric heating grid, proceed as
follows. If not, go to Step 8. Disconnect and isolate
the battery negative cable. Remove the front door
trim panel on the side of the vehicle with the inoperative mirror heating grid. Unplug the wire harness
connector at the mirror. Check for continuity between
the ground circuit cavity in the body half of the
power mirror wire harness connector and a good
ground. If OK, go to Step 6. If not OK, repair the
open circuit to ground as required.
(6) Connect the battery negative cable. Turn the
ignition switch to the On position. Turn on the rear
window defogger system. Check for battery voltage at
the rear window defogger relay output circuit cavity
in the body half of the power mirror wire harness
connector. If OK, go to Step 7. If not OK, repair the
open circuit to the rear window defogger relay as
required.
(7) Check for continuity between the ground circuit and the rear window defogger relay output circuit cavities in the mirror half of the power mirror
wire harness connector. There should be continuity. If
not OK, replace the faulty power mirror. If OK, check
the resistance through the electric heating grid circuit. Correct resistance through the electric heating
grid should be from 10 to 16 ohms when measured at
an ambient temperature of 21° C (70° F). If not OK,
replace the faulty power mirror.
(8) Disconnect and isolate the battery negative
cable. Remove the stand-alone power mirror switch
from the driver side front door trim panel or, with a
DDM-mounted switch, remove the driver side front
door trim panel. Unplug the wire harness connector
from the stand-alone switch or the 8-way wire harness connector from the DDM. Connect the battery
negative cable. Turn the ignition switch to the On
position. Check for battery voltage at the fused ignition switch output circuit cavity of the stand-alone
switch wire harness connector or the 8-way DDM
wire harness connector. If OK, go to Step 9. If not
OK, repair the open circuit to the junction block as
required.
(9) Turn the ignition switch to the Off position.
Disconnect and isolate the battery negative cable.
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XJ POWER MIRROR SYSTEMS 8T - 3
DIAGNOSIS AND TESTING (Continued)
Check for continuity between the ground circuit cavity of the stand-alone switch wire harness connector
or the 8-way DDM wire harness connector and a
good ground. There should be continuity. If OK, go to
Step 10. If not OK, repair the circuit to ground as
required.
(10) Check the stand-alone power mirror switch or
DDM-mounted power mirror switch continuity as
shown in (Fig. 1) or (Fig. 2). If OK, go to Step 11. If
not OK, replace the faulty stand-alone power mirror
switch or the faulty DDM.
SELECT RIGHT MIRROR
SWITCH POSITION CONTINUITY BETWEEN
OFF 1&3,1&4,1&5,1&6
UP 2&4,1&3,1&5,1&6
DOWN 2 & 5,1&3,1&4,1&6
RIGHT 2 & 6,1&3,1&4,1&5
LEFT 2 & 3,1&4,1&5,1&6
SELECT LEFT MIRROR
SWITCH POSITION CONTINUITY BETWEEN
OFF 1&5,1&6,1&7,1&8
UP 2&8,1&5,1&6,1&7
DOWN 2 & 5,1&6,1&7,1&8
RIGHT 2 & 6,1&5,1&7,1&8
LEFT 2 & 7,1&5,1&6,1&8
Fig. 1 Stand-Alone Power Mirror Switch Continuity
(11) Connect the battery negative cable. Use two
jumper wires, one connected to a 12-volt battery feed,
and the other connected to a good body ground. See
the Power Mirror Test chart for the correct jumper
wire connections at the mirror half of the power mirror wire harness connector (Fig. 3). If the mirror
reactions are OK, repair the wire harness between
the mirror and the stand-alone power mirror switch
or the DDM as required. If the mirror reactions are
not OK, replace the faulty power outside mirror
assembly.
REMOVAL AND INSTALLATION
POWER MIRROR SWITCH
This procedure covers removal of the stand-alone
type power mirror switch. Vehicles with power windows and power locks have a power mirror switch
SWITCH POSITION CONTINUITY BETWEEN
UP 7&3,2&5
DOWN 2 & 3,7&5
RIGHT 4 & 3,2&5
LEFT 2 & 3,6&5
SWITCH POSITION CONTINUITY BETWEEN
UP 1&3,2&5
DOWN 2 & 3,1&5
RIGHT 6 & 3,2&5
LEFT 2 & 3,6&5
Fig. 2 Driver Door Module Power Mirror Switch
which is integral to the Driver Door Module (DDM).
See Door Module in this group for the DDM-type
power mirror switch service procedures.
(1) Disconnect and isolate the battery negative
cable.
(2) Using a trim stick or another suitable wide
flat-bladed tool, gently pry around the perimeter
edge of the switch to release the snap clips that
secure the switch to the trim panel (Fig. 4).
(3) Pull the power mirror switch away from the
trim panel far enough to access the wire harness connector.
(4) Unplug the power mirror switch from the wire
harness connector.
(5) Reverse the removal procedures to install.
DOOR MODULE
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the screws that secure the front door
trim panel to the inner door panel (Fig. 5).
(3) Using a trim stick or another suitable wide
flat-bladed tool, gently pry the front door trim panel
away from the door around the perimeter to release
the trim panel retainers.
NOTE: To aid in the removal of the trim panel, start
at the bottom of the panel.
SELECT RIGHT MIRROR
SELECT LEFT MIRROR
Continuity
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8T - 4 POWER MIRROR SYSTEMS XJ
REMOVAL AND INSTALLATION (Continued)
POWER MIRROR TEST
12 VOLTS GROUND MIRROR
REACTION
PIN 1 PIN 4 UP
PIN 4 PIN 1 DOWN
PIN 2 PIN 3 LEFT
PIN 3 PIN 2 RIGHT
PIN 5 PIN 6 HEATER
Fig. 5 Front Door Trim Panel Remove/Install
1 – U-NUT
2 – DOOR
3 – TRIM PANEL
4 – PUSH-IN FASTENER
Fig. 3 Power Mirror Test
Fig. 4 Stand-Alone Power Mirror Switch Remove/
Install
1 – STAND-ALONE POWER MIRROR SWITCH
2 – CONNECTOR
3 – DOOR TRIM PANEL
(4) Lift the front door trim panel upwards and
away from the inner door panel far enough to disen-
gage the top of the panel from the inner belt weatherstrip.
(5) Pull the front door trim panel away from the
inner door panel far enough to access the inside door
latch release and lock linkage rods near the back of
the inside door remote controls.
(6) Unsnap the plastic retainer clips from the
inside door remote control ends of the latch release
and lock linkage rods, and remove the rod ends from
the inside door remote controls.
(7) Unplug the wire harness connectors from the
door module.
(8) Remove the trim panel from the front door.
(9) Remove the three screws that secure the door
module to the front door trim panel (Fig. 6).
(10) Remove the door module from the front door
trim panel.
(11) Reverse the removal procedures to install.
Tighten the mounting screws to 2.2 N·m (20 in. lbs.).
POWER MIRROR
(1) Disconnect and isolate the battery negative
cable.
(2) If the vehicle is so equipped, remove the manual window regulator crank handle with a removal
tool (Fig. 7).
(3) Remove the screws that secure the front door
trim panel to the inner door panel (Fig. 8) or (Fig. 9).
(4) Using a trim stick or another suitable wide
flat-bladed tool, gently pry the front door trim panel
away from the door around the perimeter to release
the trim panel retainers.
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XJ POWER MIRROR SYSTEMS 8T - 5
REMOVAL AND INSTALLATION (Continued)
Fig. 6 Door Module Remove/Install
1 – INSIDE DOOR LATCHAND LOCK REMOTE CONTROLS
2 – CONNECTOR 1 RECEPTACLE
3 – DOOR MODULE
4 – CONNECTOR 2 RECEPTACLE
5 – SCREWS
6 – DOOR TRIM PANEL
Fig. 8 Front Door Trim Panel Remove/Install -
Manual Window
1 – U-NUT
2 – DOOR
3 – TRIM PANEL
4 – WINDOW CRANK
5 – SPACER
6 – PUSH-IN FASTENER
Fig. 7 Window Regulator Crank Handle Remove -
Typical
1 – DOOR HANDLE REMOVALTOOL
2 – WINDOW CRANK
NOTE: To aid in the removal of the trim panel, start
at the bottom of the panel.
(5) Lift the front door trim panel upwards and
away from the inner door panel far enough to disengage the top of the panel from the inner belt weatherstrip.
(6) Pull the front door trim panel away from the
inner door far enough to access the inside door latch
release and lock linkage rods near the back of the
inside door remote controls.
(7) Unsnap the plastic retainer clips from the
inside door remote control ends of the latch release
and lock linkage rods, and remove the rod ends from
the inside door remote controls.
Fig. 9 Front Door Trim Panel Remove/Install - Power
Window
1 – U-NUT
2 – DOOR
3 – TRIM PANEL
4 – PUSH-IN FASTENER
(8) Unplug the wire harness connectors from the
door power switch module or, on the driver side only,
the stand-alone power mirror switch.
(9) Set the front door trim panel aside.
(10) Remove the one screw that secures the front
door flag trim to the inner door panel (Fig. 10).
(11) Using a trim stick or another suitable wide
flat-bladed tool, gently pry the door flag trim away
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8T - 6 POWER MIRROR SYSTEMS XJ
REMOVAL AND INSTALLATION (Continued)
Fig. 11 Power Mirror Remove/Install
1 – SIDE VIEW MIRROR
Fig. 10 Front Door Flag Trim Panel Remove/Install
1 – FRONT DOOR
2 – DOOR FLAG TRIM PANEL
3 – RETAINER
4 – SCREW
5 – UPPER SPEAKER WIRE HARNESS
from the inner door to release the trim panel
retainer.
(12) Unplug the power mirror wire harness con-
nector.
(13) Remove the three screws that secure the
power mirror to the inner door panel (Fig. 11).
(14) Unseat the power mirror wire harness grommet by pushing it out through the hole in the door
flag from the inside.
2 – WIRE HARNESS
3 – SEAL
4 – GROMMET
5 – DOOR
(15) Pull the mirror and seal from the outside of
the door while feeding the wire harness, grommet,
and connector out through the hole from the inside of
the door.
(16) Reverse the removal procedures to install.
Tighten the mirror mounting screws to 4.3 N·m (38
in. lbs.). Tighten the door trim mounting screws to
2.2 N·m (20 in. lbs.).
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