2011 INFINITI QX56 Factory Service Manual

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Page 4409 of 5598

INFINITI QX56 2011 Factory Service Manual
DESCRIPTIONSCS-49
< SYSTEM DESCRIPTION > [AIR LEVELIZER CONTROL SYSTEM]
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SYSTEM DESCRIPTION
DESCRIPTION
DescriptionINFOID:0000000006256039
Corrects sinkage of vehic

Page 4410 of 5598

INFINITI QX56 2011 Factory Service Manual
SCS-50
< SYSTEM DESCRIPTION >[AIR LEVELIZER CONTROL SYSTEM]
COMPONENT PARTS
COMPONENT PARTS
Component Parts LocationINFOID:0000000006256040
Component DescriptionINFOID:0000000006256041
1. Combination

Page 4411 of 5598

INFINITI QX56 2011 Factory Service Manual
COMPONENT PARTSSCS-51
< SYSTEM DESCRIPTION > [AIR LEVELIZER CONTROL SYSTEM]
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Air Levelizer Control ModuleINFOID:0000000006256042
Operates ON/OFF of air compressor (

Page 4412 of 5598

INFINITI QX56 2011 Factory Service Manual
SCS-52
< SYSTEM DESCRIPTION >[AIR LEVELIZER CONTROL SYSTEM]
STRUCTURE AND OPERATION
STRUCTURE AND OPERATION
Rear Shock AbsorberINFOID:0000000006256047
Discharges air in air chamber (2) from air val

Page 4413 of 5598

INFINITI QX56 2011 Factory Service Manual
STRUCTURE AND OPERATIONSCS-53
< SYSTEM DESCRIPTION > [AIR LEVELIZER CONTROL SYSTEM]
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Vehicle Height SensorINFOID:0000000006256048
Vehicle height sensor is installed b

Page 4414 of 5598

INFINITI QX56 2011 Factory Service Manual
SCS-54
< SYSTEM DESCRIPTION >[AIR LEVELIZER CONTROL SYSTEM]
SYSTEM
SYSTEM
System DiagramINFOID:0000000006256049
System DescriptionINFOID:0000000006256050
Based on the signal from the vehicle height

Page 4415 of 5598

INFINITI QX56 2011 Factory Service Manual
SYSTEMSCS-55
< SYSTEM DESCRIPTION > [AIR LEVELIZER CONTROL SYSTEM]
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Vehicle height raises [When starting engi
ne, if vehicle height of vehicle rear continues for 30 s

Page 4416 of 5598

INFINITI QX56 2011 Factory Service Manual
SCS-56
< SYSTEM DESCRIPTION >[AIR LEVELIZER CONTROL SYSTEM]
DIAGNOSIS SYSTEM (AIR
LEVELIZER CONTROL MODULE)
DIAGNOSIS SYSTEM (AIR LE VELIZER CONTROL MODULE)
CONSULT-III FunctionINFOID:00000000062560

SCS-56
< SYSTEM DESCRIPTION >[AIR LEVELIZER CONTROL SYSTEM]
DIAGNOSIS SYSTEM (AIR
LEVELIZER CONTROL MODULE)
DIAGNOSIS SYSTEM (AIR LE VELIZER CONTROL MODULE)
CONSULT-III FunctionINFOID:0000000006256052
CONSULT-III APPLICATION ITEMS
WORK SUPPORT
CAUTION:
Perform the procedure when the vehicle is stopped.
SELF DIAGNOSTIC RESULTS
Refer to SCS-59, "DTC Index".
When “CRNT” is displayed on self-diagnosis result,
The system is presently malfunctioning.
When “PAST” is displayed on self-diagnosis result, System malfunction in the past is detect ed, but the system is presently normal.
Freeze frame data (FFD)
DATA MONITOR
Diagnostic test mode Function
Work Support This mode enables a technician to adjust some devices faster and more accurately.
Self Diagnostic Results Retrieve DTC from ECU and display diagnostic items.
Data Monitor Monitor the input/output signal of the control unit in real time.
CAN Diagnosis This mode displays a network diagnosis result about CAN by a diagram.
CAN Diagnostic Support
Monitor It monitors the status of CAN communication.
ECU Identification Display the ECU identification number (part number etc.) of the selected system.
Active Test Send the drive signal from CONSULT-III to the actuator. The operation check can be performed.
Item name Description
STANDARD HEIGHT LEVEL Forcibly sets vehicle height to the set standard vehicle height.
ADJUST HEIGHT INI Sets standard vehicle height.
CLEAR HEIGHT INI Erases standard vehicle height.
Item name Description
IGN COUNTER The number of times that ignition switch is turned ON after the DTC is detected is displayed.
When “0” is displayed: It indicates that the system is presently malfunctioning.
When except “0” is displayed: It indicates that system malfunction in the past is detected, but the system
is presently normal.
NOTE:
Each time when ignition switch is turned OFF to ON, numerical number increases in 1 → 2 → 3...38 → 39.
When the operation number of times exceeds 39, the number do not increase and “39” is displayed until
self-diagnosis is erased.
Monitored item (Unit) Remarks
IGN VOLT (V) Displays the power supply voltage of air levelizer control module.
VHCL HT INTLZ STA Displays setting status of standard vehicle height.
VHCL HT INIT SLCT Displays setting status of standard vehicle height.
VHCL HEIGHT SEN (V) Displays the signal voltage of vehicle height sensor.
VHCL HT CNVSN VL (mm) Displays the vehicle height recognized by air levelizer control module.
VHCL HGT FIX TIME (hour) Displays period of time that signal from vehicle height sensor does not change.
Revision: 2010 May2011 QX56

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