INFINITI QX56 2011 Factory Service Manual

VEHICLE HEIGHT CANNOT BE RAISEDSCS-91
< SYMPTOM DIAGNOSIS > [AIR LEVELIZER CONTROL SYSTEM]
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SYMPTOM DIAGNOSIS
VEHICLE HEIGHT CANNOT BE RAISED
DescriptionINFOID:0000000006256092
Vehicle height remains in low status.
Diagnosis ProcedureINFOID:0000000006256093
1.CHECK APPEARANCE
Visually check for fuse, malfunction of suspension components, installation malfunction, or deformation of
vehicle height sensor.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repaire or replace damaged parts.
2.PERFORM SELF-DIAGNOSIS
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” in “E-SUS”.
Are any DTC detected?
YES >> Refer to SCS-59, "DTC Index".
NO >> GO TO 3.
3.PERFORM STANDARD VEHICLE HEIGHT SETTING
Refer to SCS-67, "
Work Procedure".
Is the symptom improved?
YES >> INSPECTION END
NO >> Replace the air levelizer control module. Refer to SCS-94, "
Removal and Installation".
Revision: 2010 May2011 QX56

SCS-92
< SYMPTOM DIAGNOSIS >[AIR LEVELIZER CONTROL SYSTEM]
VEHICLE HEIGHT CANNOT BE LOWERED
VEHICLE HEIGHT CANNOT BE LOWERED
DescriptionINFOID:0000000006256094
Vehicle height remains in high status.
Diagnosis ProcedureINFOID:0000000006256095
1.CHECK APPEARANCE
Visually check for fuse, malfunction of suspension components, installation malfunction, or deformation of
vehicle height sensor.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repaire or replace damaged parts.
2.PERFORM SELF-DIAGNOSIS
1. Turn ignition switch ON.
2. Select “Self Diagnostic Result” in “E-SUS”.
Are any DTC detected?
YES >> Refer to SCS-59, "DTC Index".
NO >> GO TO 3.
3.PERFORM STANDARD VEHICLE HEIGHT SETTING
Refer to SCS-67, "
Work Procedure".
Is the symptom improved?
YES >> INSPECTION END
NO >> Replace the air levelizer control module. Refer to SCS-94, "
Removal and Installation".
Revision: 2010 May2011 QX56

CK SUSP INDICATOR LAMP DOES NOT TURN OFF
SCS-93
< SYMPTOM DIAGNOSIS > [AIR LEVELIZER CONTROL SYSTEM]
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CK SUSP INDICATOR LAMP DOES NOT TURN OFF
DescriptionINFOID:0000000006256096
 CK SUSP indicator lamp turns ON while driving the vehicle.
 CK SUSP indicator lamp does not turn ON after the completion of standard vehicle height setting.
Diagnosis ProcedureINFOID:0000000006256097
1.STANDARD VEHICLE HEIGHT SETTING
Perform “STANDARD VEHICLE HEIGHT SETTING”. Refer to SCS-67, "
Work Procedure".
Does CK SUSP indicator lamp turn OFF?
YES >> INSPECTION END
NO >> Replace the air levelizer control module. Refer to SCS-94, "
Removal and Installation".
Revision: 2010 May2011 QX56

SCS-94
< REMOVAL AND INSTALLATION >[AIR LEVELIZER CONTROL SYSTEM]
AIR LEVELIZER CONTROL MODULE
REMOVAL AND INSTALLATION
AIR LEVELIZER CONTROL MODULE
Exploded ViewINFOID:0000000006256098
Removal and InstallationINFOID:0000000006256099
REMOVAL
CAUTION:
Never impact on air levelizer contro
l module when removing or installing air levelizer control module.
1. Disconnect battery cable from negative terminal.
2. Remove luggage side lower finisher (LH). Refer to INT-33, "
Exploded View".
3. Disconnect air levelizer control module harness connector.
4. Remove the air levelizer control module.
INSTALLATION
Install in the reverse order of removal.
AdjustmentINFOID:0000000006256100
After air levelizer control module is replaced, perform “STANDARD VEHICLE HEIGHT SETTING”. Refer to
SCS-67, "
Work Procedure".
1. Air levelizer control module
:Vehicle front
Refer to GI-4, "
Components" for symbols not described on the above.
JSEIA0237GB
Revision: 2010 May2011 QX56

AIR COMPRESSOR/AIR TUBESCS-95
< REMOVAL AND INSTALLATION > [AIR LEVELIZER CONTROL SYSTEM]
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AIR COMPRESSOR/AIR TUBE
Exploded ViewINFOID:0000000006256101
Removal and InstallationINFOID:0000000006256102
REMOVAL
CAUTION:
Seal the removed part using vinyl tape for preventi ng dirt from getting on or entering the removed
part.
1. Lift up the vehicle.
2. Remove the cover.
3. Disconnect the air compressor harness connector.
1. Air tube A 2. Air tube B 3. Bracket
4. Air compressor 5. Clip 6. Cover
7. Insulator 8. Washer 9. Exhaust tube
10. Exhaust tube connector
A. To rear shock absorber (RH) B. To rear shock absorber (LH) C. To frame
: Vehicle front
Refer to GI-4, "
Components" for symbols not described on the above.
JSEIA0227GB
Revision: 2010 May2011 QX56

SCS-96
< REMOVAL AND INSTALLATION >[AIR LEVELIZER CONTROL SYSTEM]
AIR COMPRESSOR/AIR TUBE
4. Using a small spanner, remove the air tube A (1) and B (2) from
air compressor.
CAUTION:
Be careful since air flows swiftly from air tube.
5. Remove the exhaust tube (1) from exhaust tube connector (2).
6. Remove the exhaust tube connector only when it is damaged.
7. Remove the exhaust tube from air compressor.
8. Remove the air compressor from bracket.
9. Rmove the bracket from vehicle.
10. Remove the air tube A and B from rear shock absorbers RH and LH, according to the procedure in step 4.
11. Remove the air tube A and B from vehicle.
12. Perform inspection after removal. Rfer to SCS-97, "
Inspection".
INSTALLATION
Note the following, and install in the reverse order of the removal.
 When installing air tube (1) to air compressor or shock absorber,
insert as shown in the figure.
 Dry each component thoroughly before installing, to prevent mois-
ture from entering air compressor.
JSEIA0238ZZ
JSEIA0239ZZ
JSEIA0240GB
Revision: 2010 May2011 QX56

AIR COMPRESSOR/AIR TUBESCS-97
< REMOVAL AND INSTALLATION > [AIR LEVELIZER CONTROL SYSTEM]
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 Completely engage hooks on frame when installing bracket.
 Install exhaust tube (1) according to the figure.
 Perform inspection after installation. Rfer to SCS-97, "
Inspection".
InspectionINFOID:0000000006256103
INSPECTION AFTER REMOVAL
Check area 8 mm (0.31 in) from front end of air tubes for damage and burrs.
INSPECTION AFTER INSTALLATION
 Lightly pull air tubes and check that it is locked.
 Apply some soapy water to each joint. Check that ther e is no leakage of air after the activation of the air
compressor during “Active Test” of CONSULT-III.
CAUTION:
Never allow soapy water to ente r the inside of air compressor.
JSEIA0241ZZ
JSEIA0242ZZ
Revision: 2010 May2011 QX56

SCS-98
< REMOVAL AND INSTALLATION >[AIR LEVELIZER CONTROL SYSTEM]
VEHICLE HEIGHT SENSOR
VEHICLE HEIGHT SENSOR
Exploded ViewINFOID:0000000006256104
Removal and InstallationINFOID:0000000006256105
REMOVAL
CAUTION:
Never disassemble the vehicle height sensor.
1. Lift up the vehicle.
2. Disconnect the vehicle height sensor harness connector.
3. Remove the vehicle height sensor.
INSTALLATION
Note the following, and install in the reverse order of the removal.
Completely engage hooks on frame when installing vehicle height
sensor.
1. Vehicle height sensor
:Vehicle front
Refer to GI-4, "
Components" for symbols not described on the above.
JSEIA0226GB
JSEIA0243ZZ
Revision: 2010 May2011 QX56

VEHICLE HEIGHT SENSORSCS-99
< REMOVAL AND INSTALLATION > [AIR LEVELIZER CONTROL SYSTEM]
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AdjustmentINFOID:0000000006256106
After vehicle height sensor is replaced, removal or installation, perform “STANDARD VEHICLE HEIGHT SET-
TING”. Refer to SCS-67, "
Work Procedure".
Revision: 2010 May2011 QX56

SE-1
BODY INTERIOR
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CONTENTS
SEAT
PRECAUTION ................ ...............................4
PRECAUTIONS .............................................. .....4
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
4
Service Notice ...........................................................4
Precaution for Work ..................................................4
PREPARATION ............................................6
PREPARATION .............................................. .....6
Commercial Service Tool .................................... ......6
CLIP LIST ............................................................7
Clip List ............................................................... ......7
SYSTEM DESCRIPTION ..............................8
COMPONENT PARTS ................................... .....8
POWER SEAT SYSTEM .............................................8
POWER SEAT SYSTEM : Component Parts Lo-
cation ................................................................... ......
8
POWER SEAT SYSTEM : Component Descrip-
tion ...................................................................... ......
8
LUMBAR SUPPORT SYSTEM .............................. ......8
LUMBAR SUPPORT SYSTEM : Component
Parts Location ..................................................... ......
9
LUMBAR SUPPORT SYSTEM : Component De-
scription .....................................................................
9
SECOND SEAT POWER UNLOCK SYSTEM ....... ......9
SECOND SEAT POWER UNLOCK SYSTEM :
Component Parts Location ......................................
10
SECOND SEAT POWER UNLOCK SYSTEM :
Component Description ...........................................
10
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM ................................................................ ....
10
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM : Component Parts Location ....................
11
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM : Component Description ..................... ....
11
FRONT HEATED SEAT SYSTEM ......................... ....12
FRONT HEATED SEAT SYSTEM : Component
Parts Location ..........................................................
12
FRONT HEATED SEAT SYSTEM : Component
Description ...............................................................
12
SECOND HEATED SEAT SYSTEM ...................... ....13
SECOND HEATED SEAT SYSTEM : Component
Parts Location ..........................................................
13
SECOND HEATED SEAT SYSTEM : Component
Description ...............................................................
13
CLIMATE CONTROLLED SEAT SYSTEM ...............13
CLIMATE CONTROLLED SEAT SYSTEM : Com-
ponent Parts Location .......................................... ....
14
CLIMATE CONTROLLED SEAT SYSTEM : Com-
ponent Description ...................................................
14
SYSTEM ............................................................16
POWER SEAT SYSTEM ....... .....................................16
POWER SEAT SYSTEM : Syst em Description .......16
LUMBAR SUPPORT SYSTEM .............................. ....16
LUMBAR SUPPORT SYSTEM : System Descrip-
tion ...........................................................................
16
SECOND SEAT POWER UNLOCK SYSTEM ...........16
SECOND SEAT POWER UNLOCK SYSTEM :
System Description .............................................. ....
16
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM .....................................................................
16
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM : System Description ............................ ....
16
FRONT HEATED SEAT SYSTEM ......................... ....16
FRONT HEATED SEAT SYSTEM : System De-
scription ...................................................................
16
SECOND HEATED SEAT SYSTEM ...................... ....16
Revision: 2010 May2011 QX56