Nissan Xterra. Manual — part 739
FRONT WIPER DOES NOT OPERATE
WW-65
< SYMPTOM DIAGNOSIS >
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1. Turn the ignition switch ON.
2. Select "FRONT WIPER" of IPDM E/R active test item.
3. With operating the test item, check voltage between IPDM E/R
harness connector and ground.
Is the measurement value normal?
YES
>> Replace front wiper motor. Refer to
WW-68, "Removal and Installation"
NO
>> Replace IPDM E/R. Refer to
PCS-27, "Removal and Installation"
.
5.
CHECK FRONT WIPER REQUEST SIGNAL INPUT
CONSULT DATA MONITOR
1. Select "FR WIP REQ" of IPDM E/R data monitor item.
2. Switch the front wiper switch to HI and LO.
3. With operating the front wiper switch, check the status of "FR WIP REQ".
Is the status of item normal?
YES
>> Replace IPDM E/R. Refer to
PCS-27, "Removal and Installation"
.
NO
>> GO TO 6
6.
CHECK COMBINATION SWITCH (WIPER AND WASHER SWITCH)
1. Perform the inspection of the combination switch (wiper and washer switch). Refer to
.
Is combination switch (wiper and washer switch) normal?
YES
>> Replace BCM. Refer to
BCS-50, "Removal and Installation"
NO
>> Repair or replace the affected parts.
Terminals
Test item
Voltage
(Approx.)
(+)
(
−)
IPDM E/R
Ground
FRONT WIP-
ER
Connector
Terminal
E121
32
LO
Battery
voltage
OFF
0 V
35
HI
Battery
voltage
OFF
0 V
WKIA1427E
Monitor item
Condition
Monitor status
FR WIP REQ
Front wiper switch HI
HI
ON
STOP
OFF
Front wiper switch LO
1LOW
ON
STOP
OFF
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< PRECAUTION >
PRECAUTION
PRECAUTION
PRECAUTION
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000010219981
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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• 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 performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• 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 harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery and wait at least three minutes before performing any service.
Precaution for Procedure without Cowl Top Cover
INFOID:0000000009484727
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
PIIB3706J
FRONT WIPER ARM
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< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
FRONT WIPER ARM
Removal and Installation
INFOID:0000000009484728
REMOVAL
1. Remove wiper arm cover and wiper arm nut.
2. Remove front wiper arm.
3. Remove front blade assembly from the front wiper arm (if necessary).
INSTALLATION
1. Operate wiper motor one full cycle, then turn "OFF" (Auto Stop).
2. Clean up the pivot area as shown.
NOTE:
This will reduce possibility of wiper arm looseness.
3. Install front blade assembly to the front wiper arm (if removed).
4. Install front wiper arm.
5. Ensure that wiper blades stop within proper clearance. Perform "FRONT WIPER ARM ADJUSTMENT".
6. Tighten wiper arm nut to specified torque and install wiper arm cover. Refer to
.
FRONT WIPER ARM ADJUSTMENT
1. Operate wiper motor one full cycle, then turn "OFF" (Auto Stop).
2. Lift the wiper blade up and then rest it onto windshield (1) sur-
face, then check the blade clearances at (A) and (B).
3. Operate wiper motor one half cycle so that the wiper arms are in
the upright position and stop arms there, then check the blade
clearances at (C) and (D).
4. Remove wiper arm cover and wiper arm nut.
5. Adjust front wiper arm on wiper motor pivot shaft to obtain above specified blade clearances.
6. Tighten wiper arm nut to specified torque and install wiper arm cover. Refer to
.
SEL024J
Clearance (A)
: 23.5 - 38.5 mm (0.925 - 1.516 in)
Clearance (B)
: 24.5 - 39.5 mm (0.965 - 1.555 in)
Clearance (C)
: 35.7 mm (1.406 in)
Clearance (D)
: 51 mm (2.008 in)
BKIA0254E
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< REMOVAL AND INSTALLATION >
FRONT WIPER DRIVE ASSEMBLY
FRONT WIPER DRIVE ASSEMBLY
Removal and Installation
INFOID:0000000009484729
REMOVAL
1. Remove the cowl top cover. Refer to
EXT-20, "Removal and Installation"
.
2. Remove wiper frame bolts, disconnect the harness connector
from the wiper motor and remove wiper frame assembly.
3. Remove wiper motor bolts and the wiper motor from wiper frame assembly.
INSTALLATION
CAUTION:
• Do not drop the wiper motor or cause it to contact other parts.
• Check the grease conditions of the motor arm and wiper link joint(s). Apply grease if necessary.
1. Connect the harness connector to the wiper motor. Turn the wiper switch ON to operate wiper motor, then
turn the wiper switch OFF (auto stop).
2. Disconnect the harness connector from the wiper motor.
3. Install wiper motor to wiper frame assembly and install wiper frame assembly.
4. Connect the harness connector to the wiper motor.
5. Install cowl top cover. Refer to
EXT-20, "Removal and Installation"
6. Ensure that wiper blades stop within proper clearance. Refer to
WW-67, "Removal and Installation"
.
AWLIA1817ZZ
1. Wiper arm covers
2. Front wiper arm and blade assembly (LH) 3. Wiper frame assembly
4. Wiper motor
5. Front wiper arm and blade assembly (RH) A. Wiper arm nuts
B. Wiper arm frame bolts
C. Wiper motor bolts
D. Wiper motor pivot arm bolt
LKIA0534E
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