Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Sentra 2000-2005 Approved Nissan Sentra 2002 WW
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K ELECTRICAL
A
B
SECTION
WIPER, WASHER & HORN C
D
E
CONTENTS
PRECAUTIONS ......................................................... 2
. WITHOUT INTERMITTENT WIPERS .................. 6 . F
Precautions for Supplemental Restraint System Removal and Installation ......................................... 7 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- WIPER ARMS ...................................................... 7 .
SIONER" ................................................................. 2
. WIPER LINKAGE ................................................. 7 . G
Wiring Diagrams and Trouble Diagnosis ................. 2 . Washer Nozzle Adjustment ..................................... 8 .
FRONT WIPER AND WASHER ................................. 3 . Washer Tube Layout ............................................... 8 .
System Description ................................................. 3
. HORN ......................................................................... 9
.
H
WIPER OPERATION ........................................... 3 . Wiring Diagram -- HORN -- ................................... 9 .
WASHER OPERATION ........................................ 3 . CIGARETTE LIGHTER ............................................ 10 .
Wiring Diagram -- WIPER -- ................................. 5 . Wiring Diagram -- CIGAR -- ................................ 10 .
WITH INTERMITTENT WIPERS ......................... 5 . I
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PRECAUTIONS
PRECAUTIONS PFP:00001
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS002BL
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
WARNING:
q To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harness connec-
tors.
Wiring Diagrams and Trouble Diagnosis EKS002BM
When you read wiring diagrams, refer to the following:
q GI-13, "How to Read Wiring Diagrams"
q PG-2, "POWER SUPPLY ROUTING" for power distribution circuit
When you perform trouble diagnosis, refer to the following:
q GI-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"
q GI-26, "How to Perform Efficient Diagnosis for an Electrical Incident"
Check for any Service bulletins before servicing the vehicle.
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FRONT WIPER AND WASHER
FRONT WIPER AND WASHER PFP:28810
A
System Description EKS002BN
WIPER OPERATION
The wiper switch is controlled by a lever built into the combination switch. B
There are three wiper switch positions:
q LO speed
q HI speed C
q INT (with intermittent operation)
With the ignition switch in the ON or START position, power is supplied:
q through 20A fuse [No. 25, located in the fuse block (J/B)] D
q to wiper motor terminal B, and
q to front wiper switch terminal 15 (with intermittent operation).
E
Low and High Speed Wiper Operation
Ground is supplied to wiper switch terminal 17 through body grounds E7 and E37.
When the wiper switch is placed in the LO position, ground is supplied:
F
q through terminal 14 of the wiper switch
q to wiper motor terminal L.
With power and ground supplied, the wiper motor operates at low speed. G
When the wiper switch is placed in the HI position, ground is supplied:
q through terminal 16 of the wiper switch
q to wiper motor terminal H. H
With power and ground supplied, the wiper motor operates at high speed.
Auto Stop Operation
I
With the wiper switch turned OFF, the wiper motor will continue to operate until wiper arms reach windshield
base.
When wiper arms are not located at base of windshield with wiper switch OFF, ground is provided:
q from terminal 14 of the wiper switch J
q to wiper motor terminal L, in order to continue wiper motor operation at low speed.
Ground is also supplied:
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q through terminal 13 of the wiper switch
q to wiper motor terminal P
q through terminal E of the wiper motor, and L
q through body grounds E7 and E37.
When wiper arms reach base of windshield, wiper motor terminals P and B are connected instead of terminals
P and E. Wiper motor will then stop wiper arms at the STOP position. M
Intermittent Operation
The wiper motor operates the wiper arms one time at low speed at a set interval of approximately 3 to 13 sec-
onds. This feature is controlled by the wiper amplifier (INT SW) combined with wiper switch.
When the wiper switch is placed in the INT position, ground is supplied to wiper amplifier.
The desired interval time is input to wiper amplifier (INT VR) from wiper volume switch combined with wiper
switch.
Then intermittent ground is supplied:
q to wiper motor terminal L
q from terminal 14 of wiper switch
q through wiper amplifier (OUTPUT).
The wiper motor operates at low speed at the desired interval.
WASHER OPERATION
With the ignition switch in the ON or START position, power is supplied:
q through 20A fuse [No. 25, located in the fuse block (J/B)]
q to washer motor terminal +.
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FRONT WIPER AND WASHER
When the lever is pulled to the WASH position, ground is supplied:
q to washer motor terminal -
q from terminal 18 of the wiper switch
q through terminal 17 of the wiper switch, and
q through body grounds E7 and E37.
Without intermittent operation, the wiper motor operates while the lever is pulled to the WASH position.
With power and ground supplied, the washer motor operates.
With intermittent operation, when the lever is pulled to the WASH position for one second or more, the wiper
motor operates at low speed for approximately 3 seconds to clean windshield. This feature is controlled by the
wiper amplifier in the same manner as the intermittent operation.
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FRONT WIPER AND WASHER
Wiring Diagram -- WIPER -- EKS002BO
WITH INTERMITTENT WIPERS A
B
C
D
E
F
G
H
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WKWA0050E
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FRONT WIPER AND WASHER
WITHOUT INTERMITTENT WIPERS
WKWA0051E
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FRONT WIPER AND WASHER
Removal and Installation EKS002BP
WIPER ARMS A
1. Prior to wiper arm installation, turn on wiper switch to operate
wiper motor and then turn it "OFF" (Auto Stop).
2. Lift the blade up approximately 100 mm (3.94 in) and then set it B
down onto glass surface to set the blade center to clearance "L1
" & "L2 " immediately before tightening nut.
3. Eject washer fluid. Turn on wiper switch to operate wiper motor C
and then turn it "OFF".
4. Ensure that wiper blades stop within clearance "L1 " & "L2 ".
Clearance "L1 " : 27.5 - 42.5 mm (1.08 - 1.67 in) D
Clearance "L2 " : 34.5 - 49.5 mm (1.36 - 1.95 in) SEL543TA
q Tighten wiper arm nuts to specified torque. E
Front wiper : 21 - 26 N-m (2.1 - 2.7 kg-m,
16 - 19 ft-lb)
F
q Before reinstalling wiper arm, clean the pivot area as illus-
trated. This will reduce possibility of wiper arm looseness.
G
H
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SEL024J
WIPER LINKAGE
J
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WEL169A
Removal
1. Remove 4 bolts that secure wiper motor.
2. Detach wiper motor from wiper linkage at ball joint.
3. Remove wiper linkage.
Be careful not to break ball joint rubber boot.
Installation
q Grease ball joint portion before installation.
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FRONT WIPER AND WASHER
1. Installation is the reverse order of removal.
Washer Nozzle Adjustment EKS002BQ
q Adjust washer nozzle with suitable tool as shown in the figure at left.
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