Chrysler RG Voyager. Manual — part 735
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(7) Using an appropriate scan tool, check and
erase any power liftgate control module diagnostic
trouble codes related to the power latch.
(8) Verify power liftgate system and power cinch /
release latch operation. Cycle the power liftgate
through one complete open and close cycle, this will
allow the power liftgate control module to relearn its
cycle with the new components.
(9) Verify power liftgate manual operation. Using
liftgate key rotate the lock cylinder to verify door
operation. Pull door open using exterior liftgate han-
dle / switch.
(10) Install the liftgate trim panel, (Refer to 23 -
BODY/DECKLID/HATCH/LIFTGATE/TAILGATE/
TRIM PANEL - INSTALLATION).
LATCH ACTUATOR
DESCRIPTION
The power cinch and/or power release latch (Fig.
11) is made possible by a latch actuator attached to
the leading edge of the power latch assembly. This 12
volt latch actuator contains a small drive gear that
meshes with the latch assemblies internal gears to
perform the power cinch close / power release opera-
tions. (Refer to 8 - ELECTRICAL/POWER DOORS/
LATCH - DESCRIPTION) for additional information.
The power cinch/release actuator is serviceable com-
ponent.
OPERATION
During a power close cycle, the power cinch actua-
tor provides the torque required to close the power
liftgate from the secondary to the primary closed and
latched position. During a power open cycle, the
power release actuator releases the liftgate from the
primary closed and latched position to the fully
unlatched and movable position.
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Open the liftgate and remove the lower liftgate
trim panel. (Refer to 23 - BODY/DECKLID/HATCH/
LIFTGATE/TAILGATE/TRIM PANEL - REMOVAL).
(3) Disconnect the power latch electrical connector
(Fig. 12).
(4) Remove the three latch retaining bolts.
(5) Grab the latch assembly and unhook the key
cylinder link rod from the key cylinder (Fig. 12).
(6) Place the latch assembly on a bench and locate
the three wires leading from the actuator portion of
the latch assembly.
(7) Disengage the main connector retaining push
pins from the latch actuator housing.
Fig. 10 POWER LATCH ORIENTATION
1 - LATCH & ACTUATOR ASSEMBLY
2 - LATCH ELECTRICAL CONNECTOR
3 - LOCK CYLINDER LINK ROD
4 - LIFTGATE LOCK CYLINDER
Fig. 11 POWER LATCH ORIENTATION
1 - LATCH & ACTUATOR ASSEMBLY
2 - LATCH ELECTRICAL CONNECTOR
3 - LOCK CYLINDER LINK ROD
4 - LIFTGATE LOCK CYLINDER
RS
POWER LIFTGATE SYSTEM
8N - 13
LATCH (Continued)
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(8) Back the three wires out of the main latch elec-
trical connector.
(9) Flip the latch assembly over and remove the
latch actuator retaining screw(s).
(10) Remove the latch actuator from the latch
assembly.
INSTALLATION
(1) Install the latch actuator onto the latch assem-
bly.
(2) Install
the
three
latch
actuator
retaining
screws.
(3) Install the three wires in the main latch elec-
trical connector.
NOTE: Be certain wires are reinstalled in the correct
wire cavities. Failure to do so could result in dam-
age to the latch actuator. Refer to the appropriate
wiring information for complete circuit schematic or
connector pin-out information.
(4) Secure the main connector retaining push pins
on the latch actuator housing.
(5) Grab the latch assembly and hook the key cyl-
inder link rod on the key cylinder (Fig. 13).
(6) Position the latch and install three new latch
retaining bolts. Torque to 10 N·m (90 in. lbs.).
(7) Connect the power latch electrical connector
(Fig. 13).
(8) Install the lower liftgate trim panel, (Refer to
23
-
BODY/DECKLID/HATCH/LIFTGATE/TAIL-
GATE/TRIM PANEL - INSTALLATION).
(9) Connect the battery negative cable.
(10) Using an appropriate scan tool, check and
erase any power liftgate control module diagnostic
trouble codes related to the power latch.
(11) Verify power liftgate system and power cinch /
release latch operation. Cycle the power liftgate
through one complete open and close cycle, this will
allow the power liftgate control module to relearn its
cycle with the new components.
(12) Verify power liftgate manual operation. Using
liftgate key rotate the lock cylinder to verify door
operation. Pull door open using exterior liftgate han-
dle / switch.
LIFTGATE MOTOR
DESCRIPTION
The gear motor assembly (Fig. 14) consists of a DC
motor, hall effect sensor, engage actuator, full open
switch, lift gear, aluminum housing, drive gears and
wire harness. The gears and motor portion of the
assembly provides the power and torque required to
open or close the liftgate. The hall effect sensor is
used to provide the liftgate control module with a
speed reading, which is used to monitor the resis-
Fig. 12 POWER LATCH ORIENTATION
1 - LATCH & ACTUATOR ASSEMBLY
2 - LATCH ELECTRICAL CONNECTOR
3 - LOCK CYLINDER LINK ROD
4 - LIFTGATE LOCK CYLINDER
Fig. 13 POWER LATCH ORIENTATION
1 - LATCH & ACTUATOR ASSEMBLY
2 - LATCH ELECTRICAL CONNECTOR
3 - LOCK CYLINDER LINK ROD
4 - LIFTGATE LOCK CYLINDER
8N - 14
POWER LIFTGATE SYSTEM
RS
LATCH ACTUATOR (Continued)
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tance of liftgate travel. This speed reading also
allows the power liftgate control module to detect
obstructions and move the liftgate accordingly. The
engage actuator is used to toggle between power
open/close mode and full manual mode when desired.
The full open switch is used to let the power liftgate
control module know when the liftgate is approach-
ing the full open position.
Serviceable components of the power liftgate gear/
motor assembly are the complete gear/motor assem-
bly, motor and wire harness, lift gear and control rod,
engage actuator, full open switch and the transverse
bracket.
OPERATION
With the push of a power liftgate command switch
(liftgate closed), the power liftgate control module
will signal the latch assembly to release the liftgate
from its primary closed and latched position to the
released and movable position. The liftgate motor-
mounted engage actuator then engages the liftgate
motor assembly, which moves the liftgate into the
open position. The liftgate motor provides the torque
and power to move the door to its full open or closed
position (Refer to 8 - ELECTRICAL/POWER DOORS
- OPERATION) for additional information.
REMOVAL
The power liftgate gear/motor assembly is serviced
in two ways: the complete gear/motor assembly, or
the motor, aluminum housing, drive gears and wire
harness assembly. To perform this service, use the
following procedure to remove the gear/motor assem-
bly from the vehicle. Then refer to the other proce-
dures called out in this section to transfer the
remaining components (engage actuator, full open
switch, transverse bracket and lift gear and rod) to
the replacement gear/motor assembly.
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the left rear D-pillar trim panel from
the vehicle, (Refer to 23 - BODY/INTERIOR/LEFT
D-PILLAR TRIM PANEL - REMOVAL).
(3) Disconnect the wire harness connector from the
motor assembly (Fig. 15).
(4) Remove the two bolts from the motor housing
and the one bolt from the transverse mount bracket.
(5) Grab the liftgate motor assembly and lift
upward and out to unhook the motor assembly from
the D-pillar.
(6) Remove the liftgate motor assembly from the
vehicle.
INSTALLATION
(1) Using the motor housing tab, hook the liftgate
motor assembly on the D-pillar.
(2) Install the three motor assembly retaining
bolts. Torque the two rear most bolts first to 9.5 N·m
Fig. 14 POWER LIFTGATE COMPONENTS
1 - POWER LIFTGATE GEAR MOTOR/ASSEMBLY
2 - POWER LIFTGATE CONTROL MODULE
3 - ELECTRICAL GROUND LOCATION
Fig. 15 POWER LIFTGATE COMPONENTS
1 - POWER LIFTGATE GEAR MOTOR/ASSEMBLY
2 - POWER LIFTGATE CONTROL MODULE
3 - ELECTRICAL GROUND LOCATION
RS
POWER LIFTGATE SYSTEM
8N - 15
LIFTGATE MOTOR (Continued)
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(85 in. lbs.). Torque the remaining bolt next to the
window actuator to 9.5 N·m (85 in. lbs.).
(3) Connect the liftgate motor assembly electrical
connector.
(4) Install the D-pillar trim panel on the vehicle,
(Refer to 23 - BODY/INTERIOR/LEFT D-PILLAR
TRIM PANEL - INSTALLATION).
(5) Connect the battery negative cable.
(6) Using an appropriate scan tool, check any
erase any power liftgate control module diagnostic
trouble codes related to the door motor assembly.
(7) Verify power liftgate system operation. Cycle
the power liftgate through one complete open and
close cycle, this will allow the power liftgate control
module to relearn its cycle with the new components.
LIFT GEAR & LINK ROD
DESCRIPTION
The lift gear and rod assembly are located in the
left rear of the vehicle and are visible without remov-
ing the D-pillar trim (Fig. 16). The lift gear provides
the leverage to move the liftgate from the closed to
the open position. The lift gear attaches to a bearing
on the gear motor assembly with four bolts. On the
outboard side of the lift gear are riveted on teeth,
which mesh with the gear motor assembly drive
gears during a open or close operation. The rod
assembly is a steel shaft, equipped with two spheri-
cal rod ends which attaches the lift gear to the lift-
gate. The lift gear and rod assembly are serviceable
components.
OPERATION
One end of the rod assembly is attached to the lift-
gate, the other attached to the lift gear. When the lift
gear is driven by the gear motor assembly the lift-
gate is moved to the open or closed position.
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the left rear D-pillar trim panel from
the vehicle, (Refer to 23 - BODY/INTERIOR/LEFT
D-PILLAR TRIM PANEL - REMOVAL).
(3) Remove the lift gear retaining bolts (Fig. 17).
(4) Remove the lift gear and rod from the vehicle.
INSTALLATION
(1) Position the lift gear and rod assembly and
install the retaining bolts (Fig. 18). Torque the bolts
to 8 N·m (71 in. lbs.).
(2) Install the D-pillar trim panel on the vehicle,
(Refer to 23 - BODY/INTERIOR/LEFT D-PILLAR
TRIM PANEL - INSTALLATION).
(3) Connect the battery negative cable.
Fig. 16 LIFTGATE GEAR/MOTOR ASSEMBLY
1 - TRANSVERSE BRACKET
2 - ENGAGE ACTUATOR
3 - LIFT GEAR AND ROD ASSEMBLY
4 - LIFTGATE MOTOR
Fig. 17 LIFTGATE GEAR MOTOR ASSEMBLY
1 - ENGAGE ACTUATOR RETAINING SCREWS
2 - LIFT GEAR RETAINING BOLTS
8N - 16
POWER LIFTGATE SYSTEM
RS
LIFTGATE MOTOR (Continued)
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