2010 INFINITI QX56 Factory Service Manual

ECU alarm headrest steering wheel charging horn

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INFINITI QX56 2010 Factory Service Manual WW-72
< SYMPTOM DIAGNOSIS >
WIPER AND WASHER SYSTEM SYMPTOMS
Front wiper does not
stop.HI only
• Combination switch
•BCM
Combination switch
Refer to BCS-56, "
Symptom
Ta b l e".
Front wiper requ

WW-72
< SYMPTOM DIAGNOSIS >
WIPER AND WASHER SYSTEM SYMPTOMS
Front wiper does not
stop.HI only
• Combination switch
•BCM
Combination switch
Refer to BCS-56, "
Symptom
Ta b l e".
Front wiper request signal
•BCM
• IPDM E/R IPDM E/R DATA MONITOR
"FR WIP REQ"
IPDM E/R —
LO only • Combination switch
•BCM
Combination switch
Refer to BCS-56, "
Symptom
Ta b l e".
Front wiper request signal
•BCM
• IPDM E/R IPDM E/R DATA MONITOR
"FR WIP REQ"
IPDM E/R —
INT only • Combination switch
•BCM
Combination switch
Refer to BCS-56, "
Symptom
Ta b l e".
Front wiper request signal
•BCM
• IPDM E/R IPDM E/R DATA MONITOR
"FR WIP REQ"
Front wiper does not
operate normally. Intermittent adjustment
cannot be performed.
• Combination switch
• Harness between combination switch and BCM
•BCM
Combination switch
Refer to BCS-56, "
Symptom
Ta b l e".
BCM —
Intermittent control
linked with vehicle
speed cannot be per-
formed. Check the vehicle speed detection wiper setting.
Refer to
BCS-23, "
WIPER : CONSULT-III Function (BCM - WIPER)".
Wiper is not linked to
the washer operation. • Combination switch
• Harness between combination switch and BCM
•BCM
Combination switch
Refer to BCS-56, "
Symptom
Ta b l e".
BCM —
Does not return to stop
position (Repeatedly
operates for 10 sec-
onds and then stops
for 20 seconds. After
that, it stops the opera-
tion). • IPDM E/R
• Harness between IPDM E/R and front wiper
motor
• Front wiper motor Front wiper auto stop signal
circuit
Refer to WW-23, "
Compo-
nent Function Check".
Rear wiper does not
operate. ON only
• Combination switch
• Harness between combination switch and BCM
•BCM Combination switch
Refer to BCS-56, "
Symptom
Ta b l e".
INT only • Combination switch
• Harness between combination switch and BCM
•BCM Combination switch
Refer to BCS-56, "
Symptom
Ta b l e".
ON and INT • Combination switch
• Harness between combination switch and BCM
•BCM
Combination switch
Refer to BCS-56, "
Symptom
Ta b l e".
•BCM
• Harness between rear wiper motor and BCM
• Harness between rear wiper motor and ground
• Rear wiper motor
• Glass hatch ajar switch Combination switch
Refer to WW-28, "
Compo-
nent Function Check".
Symptom
Probable malfunction location Inspection item
Revision: April 20092010 QX56

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INFINITI QX56 2010 Factory Service Manual WIPER AND WASHER SYSTEM SYMPTOMSWW-73
< SYMPTOM DIAGNOSIS >
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Rear wiper does not
stop. ON only
• Combination switch
•BCM Rear wiper motor circuit
Refer to WW-28, "

Page 4195 of 4210

INFINITI QX56 2010 Factory Service Manual WW-74
< SYMPTOM DIAGNOSIS >
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000005146797
FRONT WIPER MOTOR PROTECTION FUNCTION
• IPDM E/R may stop the front wiper to prot

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INFINITI QX56 2010 Factory Service Manual FRONT WIPER DOES NOT OPERATEWW-75
< SYMPTOM DIAGNOSIS >
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FRONT WIPER DO ES NOT OPERATE
DescriptionINFOID:0000000005146798
The front wiper does not operate under any oper

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INFINITI QX56 2010 Factory Service Manual WW-76
< SYMPTOM DIAGNOSIS >
FRONT WIPER DOES NOT OPERATE
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 IP

Page 4198 of 4210

INFINITI QX56 2010 Factory Service Manual PRECAUTIONWW-77
< PRECAUTION >
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PRECAUTION
PRECAUTION
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:000000000523816

PRECAUTIONWW-77
< PRECAUTION >
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PRECAUTION
PRECAUTION
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005238167
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 severi ty 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 w hether 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 inoper ative, 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 in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied 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 Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric 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 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005403312
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecti ng both battery cables with the ignition knob in the
″ LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS , an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
Revision: April 20092010 QX56

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INFINITI QX56 2010 Factory Service Manual WW-78
< PRECAUTION >
PRECAUTION
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mech

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INFINITI QX56 2010 Factory Service Manual FRONT WIPER ARMWW-79
< ON-VEHICLE REPAIR >
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ON-VEHICLE REPAIR
FRONT WIPER ARM
Front Wiper ArmsINFOID:0000000005146801
REMOVAL AND INSTALLATION
Removal
1. Remove wiper ar

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