2011 INFINITI QX56 Factory Service Manual

oil dipstick buttons ground clearance towing capacity ECO mode wheel alignment

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INFINITI QX56 2011 Factory Service Manual
PRECAUTIONSDLK-9
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5. When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the push-button ignition sw

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5. When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the push-button ignition switch from ACC position to ON position, then to LOCK position. (The steering
wheel will lock when the push-button ignition switch is turned to LOCK position.)
6. Perform self-diagnosis check of a ll control units using CONSULT-III.
Precautions For Xenon Headlamp ServiceINFOID:0000000006225830
WARNING:
Comply with the follow ing warnings to prevent any serious accident.
Disconnect the battery cable (neg ative terminal) or the power supply fuse before installing, remov-
ing, or touching the xenon headlamp (bulb included). The xenon headlamp contains high-voltage
generated parts.
Never work with wet hands.
Check the xenon headlamp ON-OFF status after assem bling it to the vehicle. Never turn the xenon
headlamp ON in other conditions. Connect th e power supply to the vehicle-side connector.
(Turning it ON outside the lamp case m ay cause fire or visual impairments.)
Never touch the bulb glass immediately afte r turning it OFF. It is extremely hot.
CAUTION:
Comply with the follow ing cautions to prevent an y error and malfunction.
Install the xenon bulb securely. (I nsufficient bulb socket installation may melt the bulb, the connec-
tor, the housing, etc. by high-vol tage leakage or corona discharge.)
Never perform HID circuit inspection with a tester.
Never touch the xenon bulb glass with ha nds. Never put oil and grease on it.
Dispose of the used xenon bulb after p acking it in thick vinyl without breaking it.
Never wipe out dirt and cont amination with organic solven t (thinner, gasoline, etc.).
WorkINFOID:0000000006225831
After removing and installing the opening/closing parts, be sure to carry out fitting adjustments to check their
operational.
Check the lubrication level, damage, and wear of each part. If necessary, grease or replace it.
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
DLK-10
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Commercial Service ToolsINFOID:0000000006225832
Tool name Description
Engine ear Locates the noise
Remover tool Removes the clips, pawls, an

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INFINITI QX56 2011 Factory Service Manual
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SYSTEM DESCRIPTION
COMPONENT PARTS
DOOR LOCK SYSTEM
DOOR LOCK SYSTEM : Component Parts LocationINFOID:0000000006225833
JM

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INFINITI QX56 2011 Factory Service Manual
DLK-12
< SYSTEM DESCRIPTION >
COMPONENT PARTS
DOOR LOCK SYSTEM : Component Description
INFOID:0000000006225834
1. Fuel lid lock actuator 2. Remote keyless entry receiver 3. Inside key antenna (luggag

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INFINITI QX56 2011 Factory Service Manual
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AUTOMATIC BACK DOOR SYSTEM
Combination meter Displays each operation method guide and warning for system malfunction

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INFINITI QX56 2011 Factory Service Manual
DLK-14
< SYSTEM DESCRIPTION >
COMPONENT PARTS
AUTOMATIC BACK DOOR SYSTEM : Component Parts Location
INFOID:0000000006225835
1. Combination meter 2. BCM
Refer to BCS-4, "
BODY CONTROL
SYSTEM : Compo

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AUTOMATIC BACK DOOR SYST EM : Component DescriptionINFOID:0000000006225836
7. Touch sensor LH 8. Back door request switch

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AUTOMATIC BACK DOOR SYST EM : Component DescriptionINFOID:0000000006225836
7. Touch sensor LH 8. Back door request switch 9. Back door lock assembly
10. Back door opener switch 11. Automatic back door close switch 12. Automatic back door warning buzzer
13. Touch sensor RH
A. View with luggage side finisher up-
per removed B. View with back door finisher inner re-
moved
Item Function
Automatic back door control mod-
ule Automatic back door control unit, encoder, automatic back door motor and clutch are in-
stalled
Automatic back door control unit: Controls the automatic back door system
Encoder: Automatic back door control unit receives the pulse signals from encoders A
and B that occurred due to synchronization with the back door operation. The automatic
back door control unit calculates the back door position, operation direction, and opera-
tion speed according to the received pulse signals.
Automatic back door motor: Inputs open/close signal from automatic back door control
unit and activates the automatic back door open/close operation.
Clutch: Performs the duty control of the power supply to control the operation speed of the back door.
BCM Transmits and receives signals to the automatic back door control module
ABS actuator and electric unit Transmits vehi cle speed signal to CAN communication line
Combination meter Transmits vehicle speed signal to CAN communication line
Automatic back door warning buzz-
er Warns the user of the automatic back door condition and inappropriate operations with the
buzzer sounds
Touch sensor LH/RH During back door close operation, the touch sensor detects any trapped foreign material
Back door opener switch Detects if back door opener switch is press/release
Back door request switch Detects if back door request switch is press/release
Automatic back door switch Detects if automatic back door switch is press/release
Automatic back door main switch Detects if automatic back door main switch is press/release
Automatic back door close switch Detects if automatic back door close switch is press/release
Back door lock assembly Back door closure motor, half latch switch, open switch, close switch and back door switch
are installed
Closure motor: Inputs open/close signal from automatic back door control unit and acti-
vates the back door auto closure operation
Half latch switch: Starts the closure motor close operation
Open switch: Stops the closure motor open operation
Close switch: Stops the closure motor close operation
Back door switch: Inputs back door open/ close condition to BCM
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
DLK-16
< SYSTEM DESCRIPTION >
SYSTEM (POWER DOOR LOCK SYSTEM)
SYSTEM (POWER DOOR LOCK SYSTEM)
System DiagramINFOID:0000000006225837
System DescriptionINFOID:0000000006225838
DOOR LOCK FUNCTION
Door L

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< SYSTEM DESCRIPTION >
SYSTEM (POWER DOOR LOCK SYSTEM)
SYSTEM (POWER DOOR LOCK SYSTEM)
System DiagramINFOID:0000000006225837
System DescriptionINFOID:0000000006225838
DOOR LOCK FUNCTION
Door Lock and Unlock Switch
The door lock and unlock switch (driver side) is build into power window main switch.
The door lock and unlock switch (passenger side) is build into front power window switch (passenger side).
Interlocked with the locking operation of door lock and unlock switch, door lock actuators of all doors and
fuel lid lock actuator are locked.
Interlocked with the unlocking operation of door lock and unlock switch, door lock actuators of all doors actu-
ator and fuel lid lock actuator are unlocked.
Door Key Cylinder Switch
With the mechanical key inserted in the door key cylinder on driver side, turning it to lock position, locks door
lock actuator of all doors and fuel lid lock actuator.
With the mechanical key inserted in the door key cylinder on driver side, turning it to unlock position once
unlocks the driver side door, turning it to unlock posit ion again within 60 seconds after the first unlock opera-
tion unlocks all of the other doors actuator and fuel lid lock actuator. (SELECTIVE UNLOCK OPERATION)
Selective unlock operation mode can be changed using CONSULT-III.
Refer to DLK-39, "
DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)".
DOOR KEY CYLINDER SWITCH POWER WINDOW FUNCTION
Driver side door key cylinder LOCK/UNLOCK oper ation can activate power window. Refer to PWC-8, "System
Description".
IGNITION POSITION WARNING FUNCTION
When door lock and unlock switch are operated while dr iver side door is open and ignition position is ACC or
ON, door locks once but immediately unlocks.
INTERIOR ROOM LAMP CONTROL FUNCTION
Interior room lamp is controlled according to door lock/unlock state, refer to INL-6, "INTERIOR ROOM LAMP
CONTROL SYSTEM : System Description".
AUTOMATIC DOOR LOCK/UNLOCK FUNCTION (LOCK OPERATION)
The interlock door lock function is the function that locks all doors linked with the vehicle speed or shift posi-
tion. It has 2 types as per the following items.
Vehicle Speed Sensing Auto Door Lock
All doors are locked when the vehicle speed reaches 24 km/h (15 MPH) or more.
BCM outputs the lock signal to all door lock actuators when it detects that the ignition switch is turned ON, all
doors are closed and the vehicle speed received from the combination meter via CAN communication
becomes 24 km/h (15 MPH) or more.
JMKIA5278GB
Revision: 2010 May2011 QX56

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