Infiniti Q45. Manual — part 919
FRONT WIPER AND WASHER SYSTEM (WITH RAIN SENSOR)
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Front Wiper and Washer Activate Individually but Intermittent Wiper and
Washer Combination Does Not Operate
NKS001FL
1.
CHECK POWER SUPPLY CIRCUIT FOR FRONT WIPER RELAY
1.
Turn ignition switch OFF.
2.
Remove front wiper relay.
3.
Turn ignition switch ON.
4.
Check voltage between front wiper relay harness connector E4
terminal 1 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Check the following.
●
20A fuse [No. 34, located in fuse block (J/B) No.2]
●
Harness for open or short between front wiper relay and fuse
2.
CHECK GROUND CIRCUIT FOR FRONT WIPER RELAY
1.
Turn ignition switch OFF.
2.
Check continuity between front wiper relay harness connector
E4 terminal 5 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness ground circuit.
3.
CHECK FRONT WIPER RELAY
Apply battery voltage to between front wiper relay terminal 1 and 2,
and check continuity between terminal 3 and 5.
OK or NG
OK
>> GO TO 4.
NG
>> Replace front wiper relay.
1 - Ground
: Battery voltage
PKIA5174E
5 - Ground
: Continuity should exist.
PKIA5175E
3 - 5
: Continuity should exist.
PKIA6829E
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FRONT WIPER AND WASHER SYSTEM (WITH RAIN SENSOR)
4.
CHECK BCM OUTPUT SIGNAL
1.
Connect front wiper relay.
2.
Turn ignition switch ON.
3.
Check voltage between BCM harness connector E204 terminal
128 and ground.
OK or NG
OK
>> Repair harness between front wiper relay and BCM.
NG
>> Replace BCM.
Front Wiper Switch Inspection
NKS001FM
FRONT WIPER SWITCH CIRCUIT
Check continuity between each terminal when front wiper switch is
operating using a circuit tester.
Removal and Installation of Front Wiper Arms, Adjustment of Front Wiper Arms
Stop Location
NKS001FN
1.
Prior to wiper arm installation, turn on front wiper switch to oper-
ate front 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 “A” and “B” immediately before
tightening nut.
3.
Eject washer fluid. Turn on front wiper switch to operate front
wiper motor and then turn it “OFF”.
4.
Ensure that wiper blades stop within clearance “A” and “B”.
●
Tighten wiper arm nuts to specified torque.
●
Before reinstalling wiper arm, clean up the pivot area as illus-
trated. This will reduce possibility of wiper arm looseness.
When front wiper switch is
WASH
: Approx. 0 V (for 0.7 sec.)
When front wiper switch is
OFF
: Battery voltage
PKIA5176E
Operation interval
(intermittent wiper with vehicle speed detection function)
Resistance value (k
Ω
)
1 [Interval (Long)]
Approx. 1
2
Approx. 0.6
3
Approx. 0.3
4 [Interval (Short)]
Approx. 0
PKIA9810E
Clearance “A”
: 32.5 - 47.5 mm (1.280 - 1.870 in)
Clearance “B”
: 24.5 - 39.5 mm (0.965 - 1.555 in)
Front wiper arm mounting nuts
: 23.6 N·m (2.4 kg-m, 17 ft-lb)
PKIB1779E
SEL024J
FRONT WIPER AND WASHER SYSTEM (WITH RAIN SENSOR)
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Removal and Installation of Front Wiper Drive Assembly
NKS001FO
REMOVAL
1.
Operate front wiper motor, and stop it at the auto stop position.
2.
Remove wiper arm from the vehicle.
3.
Remove cowl top cover. Refer to
4.
Disconnect front wiper motor connector.
5.
Remove bolts (7) and remove front wiper drive assembly from
the vehicle.
6.
Remove wiper link from wiper frame.
7.
Remove front wiper motor from wiper frame.
INSTALLATION
1.
Connect front wiper motor to connector. Turn front wiper switch ON to operate front wiper motor, and then
turn front wiper switch OFF (auto stop).
2.
Disconnect front wiper motor connector.
3.
Install front wiper motor to wiper frame.
4.
Install wiper link to wiper frame and motor arm.
5.
Install front wiper drive assembly to the vehicle.
6.
Connect front wiper motor connector. Turn front wiper switch ON to operate front wiper motor, and then
turn front wiper switch OFF (auto stop).
7.
Install bracket to the vehicle.
8.
Install cowl top cover. Refer to
9.
Install wiper arm. Refer to
WW-30, "Removal and Installation of Front Wiper Arms, Adjustment of Front
1.
Wiper link
2.
Wiper link
3.
Wiper frame
4.
Front wiper motor
PKIA5181E
PKIB2718E
Front wiper drive assembly mounting bolt
: 4.5 N·m (0.46 kg-m, 40 in-lb)
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FRONT WIPER AND WASHER SYSTEM (WITH RAIN SENSOR)
CAUTION:
●
Never drop front wiper motor or cause it to contact other parts.
●
Check the grease conditions of motor arm and wiper link joint (at retainer). Apply grease if neces-
sary.
Washer Nozzle Adjustment
NKS001FP
●
Adjust washer nozzle with suitable tool as shown in the figure.
Unit: mm (in)
Washer Tube Layout
NKS001FQ
Adjustable range
:
±
10
°
PKIA0321E
Spray position
H (height)
L (length)
h (spray point
area)
1
192.7 (7.59)
420.4 (16.55)
165.3 (6.51)
2
226.9 (8.93)
293.8 (11.57)
172.3 (6.78)
3
204.9 (8.07)
69.3 (2.73)
133.8 (5.27)
4
120.6 (4.75)
174.8 (6.88)
164.5 (6.48)
5
246.8 (9.72)
299.2 (11.78)
179.2 (7.06)
6
140.5 (5.53)
458 (18.03)
190.6 (7.50)
PKIA7716E
PKIA0322E
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