INFINITI QX56 2011 Factory Service Manual

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NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006300483
FRONT WIPER MOTOR PROTECTION FUNCTION
 IPDM E/R may stop the front wiper to protect the front wiper motor if any obstruction (operation resistance)
such as a large amount of snow is detected during the front wiper operation.
 At that time turn OFF the front wiper and remove t he foreign object. Then wait for approximately 20 seconds
or more and reactivate the front wiper. The wiper will operate normally.
REAR WIPER MOTOR PROTECTION FUNCTION
 BCM may stop rear wiper to protect the rear wiper motor when the rear wiper is stopped for 5 seconds or
more due to a snowfall.
 Rear wiper operates normally one minute after t he obstacles are removed with rear wiper OFF.
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FRONT WIPER DOES NOT OPERATEWW-53
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FRONT WIPER DO ES NOT OPERATE
DescriptionINFOID:0000000006300484
The front wiper does not operate under any operation conditions.
Diagnosis ProcedureINFOID:0000000006300485
1.CHECK WIPER RELAY OPERATION
CONSULT-III ACTIVE TEST
1. Select “FRONT WIPER” of IPDM E/R active test item.
2. With operating the test item, check front wiper operation.
Is front wiper operation normally?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK FRONT WIPER MOTOR FUSE
Check front wiper motor fuse. Refer to WW-35, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the fuse after repairing the applicable circuit.
3.CHECK FRONT WIPER MOTOR GROUND CIRCUIT
Check front wiper motor ground circuit. Refer to WW-39, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK FRONT WIPER MOTOR INPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Turn ignition switch OFF.
2. Disconnect front wiper motor connector.
3. Turn ignition switch ON.
4. Select “FRONT WIPER” of IPDM E/R active test item.
5. With operating the test item, check voltage between front wiper motor harness connector and ground.
Is the inspection result normal?
YES >> Replace front wiper motor.
NO >> Replace IPDM E/R.
5.CHECK FRONT WIPER REQUEST SIGNAL INPUT
CONSULT-III DATA MONITOR
1. Select “FR WIP REQ” of IPDM E/R data monitor item.
2. Switch the front wiper switch to HI and LO. Lo : Front wiper LO operation
Hi : Front wiper HI operation
Off : Stop the front wiper.
(+)
(− ) Condition Voltage (Approx.)
Front wiper motor
Connector Terminal
E42 1
Ground FRONT WIPER Lo Battery voltage
Off 0 V
4 Hi Battery voltage
Off 0 V
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FRONT WIPER DOES NOT OPERATE
3. With operating the front wiper switch, check the status of “FR WIP REQ”.
Is the inspection result normal?
YES >> Replace IPDM E/R.
NO >> GO TO 6.
6.CHECK COMBINATION SWITCH
Perform the inspection of the combination switch. Refer to BCS-80, "
Symptom Table".
Is combination switch normal?
YES >> Replace BCM. Refer to BCS-81, "Removal and Installation".
NO >> Repair or replace the applicable parts.
Monitor item Condition Monitor status
FR WIP REQ Front wiper switch HI
On Hi
Off Stop
Front wiper switch LO On Low
Off Stop
Revision: 2010 May2011 QX56

HEADLAMP WASHER NOZZLE AND TUBEWW-55
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REMOVAL AND INSTALLATION
HEADLAMP WASHER NOZZLE AND TUBE
Exploded ViewINFOID:0000000006220393
Hydraulic LayoutINFOID:0000000006220394
1. Headlamp washer nozzle cover 2. Headlamp washer nozzle assembly 3. Headlamp washer nozzle retainer
4. Headlamp washer nozzle bracket 5. Front bumper fascia : Pawl
JMLIA1096ZZ
1. Headlamp washer nozzle assembly LH 2. Headlamp washer tube 3. Headlamp washer tube (tank side)
4. Headlamp washer nozzle assembly RH 5. Front bumper fascia
A. Metal clip
JMLIA1097ZZ
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HEADLAMP WASHER NOZZLE AND TUBE
Removal and Installation
INFOID:0000000006220395
REMOVAL
1. Pull out headlamp washer nozzle from bumper fascia, disen- gage pawl (A), and then remove headlamp washer nozzle cover
(1).
2. Remove front bumper fascia. Refer to EXT-13, "
Removal and Installation".
3. Disconnect headlamp washer tube joint.
4. Remove headlamp washer nozzle retainer.
5. Remove headlamp washer nozzle bracket.
6. Remove headlamp washer nozzle from the front bumper fascia.
INSTALLATION
Install in the reverse order of removal.
InspectionINFOID:0000000006220396
HEADLAMP WASHER NOZZLE SPRAY POSITION INSPECTION
CAUTION:
Replace headlamp washer nozzle assembly with a new pa rt if headlamp washer jet position is outside
the headlamp illumination area shown in the figure.
 Check that headlamp washer injection is certainly on headlamp
illumination area.
 Check the headlamp washer injection range as shown in the fig- ure.
JPLIA1030ZZ
JMLIA1098ZZ
a : 67.8 mm (2.31 in)
B : 83.2 mm (3.04 in)
C : 316.2 mm (12.13 in)
JMLIA1099ZZ
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 Check the headlamp washer nozzle spray angle.
Outside (A)
Inside (B)
NOTE:
This drawing shows the parts of the headlamp washer nozzle (LH). The headlamp washer nozzle (RH) is
symmetrical of this drawing.
1. Headlamp washer nozzle (outside) 2. Headlamp washer nozzle (inside)
JPLIA1033ZZ
a: 30 °± 3°
b: 70 °± 3°
c: 55 °± 3°
d: 45 °± 3°
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WASHER TANK
WASHER TANK
Exploded ViewINFOID:0000000006220397
Removal and InstallationINFOID:0000000006220398
REMOVAL
1. Fully open hood.
2. Remove washer tank inlet fixing clip (A).
3. Pull out washer tank inlet (1) from washer tank.
4. Remove fender protector RH (front). Refer to EXT-23, "
FENDER PROTECTOR : Removal and Installa-
tion".
5. Disconnect washer pump connector.
6. Disconnect headlamp washer pump connector.
7. Disconnect washer level switch connector.
8. Disconnect front washer tube and rear washer tube.
9. Disconnect headlamp washer tube joint.
10. Remove washer tank mounting bolts.
1. Washer tank 2. Washer tank inlet
: Vehicle front
Refer to GI-4, "
Components" for the symbols in the figure.
JMLIA0932GB
: Vehicle front
JMLIA0933ZZ
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WASHER TANKWW-59
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11. Pull washer tank (1) out of body panel bracket (2) to remove from the vehicle.
INSTALLATION
Note the following item, and then install in the reverse order of removal.
CAUTION:
Add water up to the top of washer tank inlet af ter installing and check that there is no leakage.
JMLIA1130ZZ
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WASHER PUMP
WASHER PUMP
Exploded ViewINFOID:0000000006220399
Removal and InstallationINFOID:0000000006220400
REMOVAL
1. Remove washer tank. Refer to WW-58, "Removal and Installation".
2. Remove washer pump from washer tank.
3. Remove packing from washer tank.
INSTALLATION
Note the following item, and then install in the reverse order of removal.
CAUTION:
 Check that there is no leakage after installation or replace packing with new part if it has been dam-
age.
 Never twist the packing when installing the washer pump.
1. Washer tank 2. Bracket 3. Rear washer tube
4. Front washer tube 5. Washer pump harness connector 6. Washer pump
7. Packing
: Pawl
: Vehicle front
JMLIA0934ZZ
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HEADLAMP WASHER PUMPWW-61
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HEADLAMP WASHER PUMP
Exploded ViewINFOID:0000000006220401
Removal and InstallationINFOID:0000000006220402
REMOVAL
1. Remove washer tank. Refer to WW-58, "Removal and Installation".
2. Remove the mounting bolt, and then remove headlamp washer pump from the washer tank.
3. Remove the packing from the washer tank.
INSTALLATION
Note the following item, and then install in the reverse order of removal.
CAUTION:
 Check that there is no leakage after installation or replace packing with new part if it has been dam-
age.
 Never twist the packing when inst alling the headlamp washer pump.
1. Washer tank 2. Headlamp washer tube 3. Headlamp washer pump harness
connector
4. Headlamp washer pump 5. Packing : Vehicle front
JMLIA0935ZZ
Revision: 2010 May2011 QX56