Infiniti QX4 (R50). Manual — part 330
I
through terminal 17 of the wiper switch, and
I
through body grounds E13 and E41.
With power and ground supplied, the washer motor operates.
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.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
FRONT WIPER AND WASHER
System Description (Cont’d)
EL-137
Wiring Diagram — WIPER —
NBEL0058
MEL806L
FRONT WIPER AND WASHER
Wiring Diagram — WIPER —
EL-138
SEL543TA
Removal and Installation
NBEL0060
WIPER ARMS
NBEL0060S01
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 and then set it down onto glass surface to set
the blade center to clearance “L
1
” & “L
2
” immediately before
tightening nut.
3.
Eject washer fluid. Turn on wiper switch to operate wiper motor
and then turn it “OFF”.
4.
Ensure that wiper blades stop within clearance “L
1
” & “L
2
”.
Clearance “L
1
”: 29 - 30 mm (1.14 - 1.18 in)
Clearance “L
2
”: 32 - 42 mm (1.26 - 1.65 in)
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Tighten wiper arm nuts to specified torque.
Front wiper: 21 - 26 N·m (2.1 - 2.7 kg-m, 15 - 20 ft-lb)
SEL024J
I
Before reinstalling wiper arm, clean up the pivot area as
illustrated. This will reduce possibility of wiper arm loose-
ness.
WIPER LINKAGE
NBEL0060S02
MEL840F
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
FRONT WIPER AND WASHER
Removal and Installation
EL-139
Removal
NBEL0060S0201
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
NBEL0060S0202
I
Grease ball joint portion before installation.
1.
Installation is the reverse order of removal.
MEL137M
Washer Nozzle Adjustment
NBEL0061
I
Adjust washer nozzle with suitable tool as shown in the figure
at left.
Adjustable range:
±
10°
MEL417N
Unit: mm (in)
*1
315 (12.40)
*7
443 (17.44)
*2
227 (8.94)
*8
250 (9.84)
*3
122 (4.80)
*9
80 (3.15)
*4
220 (8.66)
*10
430 (16.93)
*5
315 (12.40)
*11
250 (9.84)
*6
145 (5.71)
*12
57 (2.24)
*A: The diameters of these circles are less than 80 mm (3.15 in).
*B: The diameter of this circle is less than 120
×
80 mm (4.72
×
3.15 in).
*C: The diameter of this circle is less than 100
×
80 mm (3.94
×
3.15 in).
MEL074H
Washer Tube Layout
NBEL0062
FRONT WIPER AND WASHER
Removal and Installation (Cont’d)
EL-140
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