Infiniti QX56 (JA60). Manual — part 775
PWC-112
< SYMPTOM DIAGNOSIS >
KEYLESS POWER WINDOW DOWN DOES NOT OPERATE
KEYLESS POWER WINDOW DOWN DOES NOT OPERATE
Diagnosis Procedure
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1.
CHECK INTELLIGENT KEY FUNCTION
Check Intelligent Key function.
Refer to
DLK-56, "CONSULT-III Function (INTELLIGENT KEY)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> Replace BCM. Refer to
POWER WINDOW LOCK SWITCH DOES NOT FUNCTION
PWC-113
< SYMPTOM DIAGNOSIS >
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POWER WINDOW LOCK SWITCH DOES NOT FUNCTION
Diagnosis Procedure
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1.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
Replace main power window and door lock/unlock switch.
PWC-117, "Removal and Installation"
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
PWC-114
< SYMPTOM DIAGNOSIS >
REAR POWER VENT WINDOWS DO NOT OPERATE
REAR POWER VENT WINDOWS DO NOT OPERATE
Diagnosis Procedure
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1.
CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit.
.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK REAR POWER VENT WINDOW SWITCH
Check rear power vent window switch.
.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK REAR POWER VENT WINDOW MOTOR CIRCUIT
Check rear power vent window motor circuit.
.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace the malfunctioning parts.
4.
CHECK REAR POWER VENT WINDOW RELAY
Check rear power vent window relay.
.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
PRECAUTIONS
PWC-115
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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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 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
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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 disconnecting 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.
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