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CS
WIPERS/WASHERS (Continued)
• Rear Washer Nozzle - The rear washer nozzle
is secured by a snap fit into a mounting hole in the
liftgate spoiler assembly, above the liftgate glass. The
check valve is mounting in line between the liftgate
opening and liftgate.
• Rear Washer Plumbing - The plumbing for
the rear washer system consists of rubber hoses and
molded plastic fittings. The plumbing is routed along
the left side of the engine compartment from the
washer reservoir, through the dash into the passen-
ger compartment, down the right side, up the right
D-pillar, to the rear roof header. The plumbing is
then routed through grommets in the rear roof
header and the liftgate inner panel, then into the lift-
gate spoiler assembly to the fitting for the rear
washer nozzle.
• Rear Washer Pump/Motor - The rear washer
pump/motor is located in a dedicated hole on the
lower outboard side of the washer reservoir, ahead of
the left front wheel housing. The rear washer pump
mounting hole is located higher on the reservoir than
the front washer pump mounting hole.
• Rear Wiper Arm - The single rear wiper arm is
secured by a nut directly to the rear wiper motor out-
put shaft, which extends through the center of the
liftgate outer panel near the base of the liftgate
glass.
• Rear Wiper Blade - The single rear wiper
blade is secured to the rear wiper arm with an inte-
gral latch, and is parked off of the liftgate flip-up
glass when the rear wiper system is not in operation.
• Rear Wiper Motor - The rear wiper motor out-
put shaft is the only visible component of the rear
wiper motor. The remainder of the motor is concealed
within the liftgate.
• Right Multi-Function Switch - The right
(wiper) multi-function switch is secured to the right
side of the multi-function switch mounting housing
near the top of the steering column, just below the
steering wheel. Only the control stalk for the right
multi-function switch is visible. The remainder of the
switch is concealed beneath the steering column
shrouds. The right multi-function switch control stalk
is dedicated to providing all of the driver controls for
both the front and rear wiper and washer systems.
• Washer Reservoir - The rear washer system
shares a single reservoir with the front washer sys-
tem, but has its own dedicated washer pump/motor
and plumbing. The washer reservoir is concealed
between the left inner fender shield and the left
outer fender panel, behind the inner fender liner and
ahead of the left front wheel. The washer reservoir
filler neck is the only visible portion of the reservoir,
and it is accessed from the left front corner of the
engine compartment.
OPERATING MODES
The components of the rear wiper and washer sys-
tem are designed to work in concert to provide the
following operating modes:
• Continuous Wipe Mode - When the right
multi-function switch control sleeve is moved to the
On position, the rear wiper will be operated at a
fixed speed, continual wipe cycle until the switch
sleeve is moved to the Delay or Off positions or until
the ignition switch is turned to the Off position.
• Intermittent Wipe Mode - When the right
multi-function switch control sleeve is moved to the
Delay position, the rear wiper will be operated in a
fixed interval, intermittent wipe cycle until the
switch sleeve is moved to the On or Off positions,
until the ignition switch is turned to the Off position,
or until the right multi-function switch control stalk
is pushed forward to activate the rear washer sys-
tem. The intermittent wipe mode delay time has a
fixed delay interval of about five to eight seconds
between sweeps.
• Washer Mode - When the right multi-function
switch control stalk is pushed forward to activate the
rear washer system, the BCM will send a bus mes-
sage to the IPM to turn on the rear washer pump
motor and washer fluid will be dispensed from the
washer reservoir onto the liftgate glass through the
rear washer nozzle and the rear wiper will operate in
a fixed cycle (not intermittent) for as long as the rear
washer pump/motor unit remains energized.
• Wipe-After-Wash Mode - When the right
multi-function switch control stalk is released from
the momentary Wash position, the wipe-after-wash
feature will continue to operate the rear wiper at a
fixed cycle for about three additional wiper sweeps
before returning to the previously selected mode.
OPERATION
FRONT WIPER/WASHER SYSTEM
The vehicle operator initiates all front wiper and
washer system functions with the control stalk of the
right (wiper) multi-function switch that extends from
the right side of the steering column, just below the
steering wheel. Rotating the control knob on the end
of the control stalk selects the Off, Delay, Low, or
High front wiper system operating modes. In the
Delay mode, the control knob also allows the vehicle
operator to select from one of five intermittent wipe
Delay intervals. Pulling the right control stalk down-
wards actuates the momentary front wiper system
Mist mode switch, while pulling the right control
stalk towards the steering wheel actuates the
momentary front washer system switch. The right
multi-function switch provides hard wired resistor
multiplexed inputs to the Body Control Module
WIPERS/WASHERS 8R - 3
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