Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Dodge Dakota 2000-2001.2003.2005 Approved Dodge Dakota 2000 00AN_8K
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AN WIPER AND WASHER SYSTEMS 8K - 1
WIPER AND WASHER SYSTEMS
TABLE OF CONTENTS
page page
GENERAL INFORMATION WASHER NOZZLE AND PLUMBING . . . . . . . . . . . 4
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . 1 DIAGNOSIS AND TESTING
WINDSHIELD WIPER SYSTEM . . . . . . . . . . . . . . 1 WIPER SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . 4
WINDSHIELD WASHER SYSTEM. . . . . . . . . . . . . 1 WASHER SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . 5
DESCRIPTION AND OPERATION WIPER SWITCH AND WASHER SWITCH. . . . . . . 6
WIPER ARM AND BLADE. . . . . . . . . . . . . . . . . . . 2 INTERMITTENT WIPE RELAY. . . . . . . . . . . . . . . . 7
WIPER LINKAGE AND PIVOT. . . . . . . . . . . . . . . . 2 REMOVAL AND INSTALLATION
WIPER MOTOR. . . . . . . . . . . . . . . . . . . . . . . . . . . 2 WIPER BLADE . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
WIPER SWITCH AND WASHER SWITCH. . . . . . . 2 WIPER ARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
CENTRAL TIMER MODULE . . . . . . . . . . . . . . . . . 3 WIPER LINKAGE AND PIVOT. . . . . . . . . . . . . . . . 9
INTERMITTENT WIPE RELAY. . . . . . . . . . . . . . . . 3 WIPER MOTOR. . . . . . . . . . . . . . . . . . . . . . . . . . . 9
WASHER RESERVOIR . . . . . . . . . . . . . . . . . . . . . 4 INTERMITTENT WIPE RELAY. . . . . . . . . . . . . . . 11
WASHER PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . 4 WIPER SWITCH AND WASHER SWITCH. . . . . . 11
WASHER FLUID LEVEL SENSOR . . . . . . . . . . . . . 4 WASHER SYSTEM . . . . . . . . . . . . . . . . . . . . . . . 12
GENERAL INFORMATION The windshield wipers will operate only when the
ignition switch is in the Accessory or On positions. A
INTRODUCTION fuse located in the junction block protects the cir-
Windshield wiper and washer systems are stan- cuitry of the windshield wiper system.
dard factory-installed equipment on this model. Refer Following are general descriptions of the major
to 8W-53 - Wipers in Group 8W - Wiring Diagrams components in the windshield wiper system. Refer to
for complete circuit descriptions and diagrams. the owner's manual in the vehicle glove box for more
information on the features, use and operation of the
WINDSHIELD WIPER SYSTEM windshield wiper system.
An intermittent windshield wiper system is stan-
dard equipment on this model. The intermittent wiper WINDSHIELD WASHER SYSTEM
system lets the driver select from either of two wiper An electrically operated windshield washer system
speeds, low or high, or the intermittent wipe delay is standard equipment. A knob on the end of the
mode. A knob on the end of the multi-function switch multi-function switch stalk is depressed toward the
stalk is rotated to select the desired wiper speed, or steering column to activate the washer system. A
the intermittent wipe delay mode and interval. washer reservoir in the engine compartment holds
On models equipped with a base version of the Cen- the washer fluid, which is pressurized by a pump
tral Timer Module (CTM), the intermittent wipe mode when the windshield washer switch is actuated. The
delay times are driver adjustable from about one-half windshield washer pump feeds the pressurized
second to about eighteen seconds. On models equipped washer fluid through the washer system plumbing to
with a high-line version of the CTM, the intermittent the windshield washer nozzles.
wipe mode delay times are speed sensitive. Above A standard equipment low washer fluid warning
about sixteen kilometers-per-hour (ten miles-per-hour) lamp in the instrument cluster will warn the driver
the delay is driver adjustable from about one-half sec- when the washer fluid level needs to be checked.
ond to about eighteen seconds. Below about sixteen Refer to Group 8E - Instrument Panel Systems for
kilometers-per-hour (ten miles-per-hour) the high-line more information on this feature.
CTM doubles the delay time, or provides delays of The washers will operate only when the ignition
about one second to about thirty-six seconds. The switch is in the Accessory or On positions. A fuse
intermittent wipe mode is provided by delay logic and located in the junction block protects the circuitry of
relay control circuitry contained within the CTM, and the washer system.
an intermittent wipe relay.
8K - 2 WIPER AND WASHER SYSTEMS AN
GENERAL INFORMATION (Continued)
Following are general descriptions of the major linkage and pivot module bracket, and the wiper piv-
components in the windshield washer system. Refer ots are secured to the ends of the module bracket.
to the owner's manual in the vehicle glove box for The two wiper pivot crank arms and the wiper
more information on the features, use and operation motor crank arm each have ball studs on their ends.
of the windshield washer system. The motor crank arm ball stud is the longer of the
three. Two drive links connect the motor crank arm
to the pivot crank arms.
DESCRIPTION AND OPERATION The passenger side drive link has a plastic socket-
type bushing on each end. The driver side drive link
WIPER ARM AND BLADE has a plastic socket-type bushing on one end, and a
All Dakota truck models have two 50-centimeter plastic sleeve-type bushing on the other end. The
(19.69-inch) windshield wiper blades with non-re- socket-type bushing on one end of each drive link is
placeable rubber elements (squeegees). The driver snap-fit over the ball stud on the crank arm of its
side and passenger side wiper blades are not inter- respective pivot. The driver side drive link sleeve-
changeable. The driver side blade features an addi- type bushing end is then fit over the motor crank
tional bridge, which provides an additional set of arm ball stud, and the second socket-type bushing of
claws to retain the wiper squeegees than the six sets the passenger side drive link is snap-fit over the
of claws used on the passenger side blade. These exposed end of the motor crank arm ball stud.
wiper blades include an anti-lift feature. The wiper The wiper linkage, pivots, bushings, mounting
blades and squeegees must be oriented correctly bracket, and motor are only serviced as a complete
when installed on the wiper arms for the anti-lift fea- unit. If any part of this assembly is faulty or dam-
ture to be effective. See Wiper Blade in the Removal aged, the entire wiper module must be replaced.
and Installation section of this group for more infor-
mation. WIPER MOTOR
Caution should be exercised to protect the rubber The two-speed permanent magnet wiper motor has
squeegees from any petroleum-based cleaners or con- an integral transmission and park switch. The motor
taminants, which will rapidly deteriorate the rubber. also contains an internal automatic resetting circuit
If the squeegees are damaged, worn, or contami- breaker to protect the motor from overloads.
nated, the entire wiper blade assembly must be The motor is secured to the wiper linkage and
replaced. pivot module bracket with three screws. The wiper
Wiper squeegees exposed to the elements for a long motor output shaft passes through a hole in the mod-
time tend to lose their wiping effectiveness. Periodic ule bracket, where a nut secures the wiper motor
cleaning of the squeegees is suggested to remove crank arm to the motor output shaft.
deposits of salt and road film. The wiper blades, Wiper speed is controlled by current flow to the
arms, and windshield should be cleaned with a proper set of brushes. The wiper motor completes its
sponge or cloth and windshield washer fluid, a mild wipe cycle when the windshield wiper switch on the
detergent, or a non-abrasive cleaner. If the squeegees end of the multi-function switch stalk is turned to
continue to streak or smear, the wiper blades should the Off position, and parks the blades in the lowest
be replaced. portion of the wipe pattern.
The blades are mounted to spring-loaded wiper The windshield wiper linkage, pivots, bushings,
arms. The spring tension of the wiper arms controls mounting bracket, and motor are only serviced as a
the pressure applied to the blades on the glass. The complete unit. If any part of this unit is faulty or
windshield wiper arms are secured by a nut to each damaged, the entire wiper module must be replaced.
of the two wiper pivots that protrude through the
cowl plenum cover/grille panel at the base of the WIPER SWITCH AND WASHER SWITCH
windshield. The windshield wiper and washer switches are
The wiper arms and blades cannot be adjusted or contained in the multi-function switch assembly (Fig.
repaired. If faulty or damaged, they must be 1). The multi-function switch assembly is secured to
replaced. the left side of the steering column. A knob on the
end of the multi-function switch stalk is rotated to
WIPER LINKAGE AND PIVOT select the desired wiper speed or intermittent wipe
The wiper linkage and pivot module is secured delay, or depressed toward the steering column to
with four screws through four rubber grommet-type activate the washer system.
insulators to the cowl plenum panel beneath the cowl The multi-function switch contains circuitry for the
plenum cover/grille panel. The wiper motor is following functions:
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