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COMPRESSOR DOSE DOT OPERATEHAC-143
< SYMPTOM DIAGNOSIS > [AUTOMATIC AIR CONDITIONING]
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2. Check “AC COMP REQ” in “DATA MONITOR” mode of “IPDM E/R” using CONSULT-III.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Check CAN communication system. Refer to LAN-18, "
Trouble Diagnosis Flow Chart".
Monitor item Condition Status
AC COMP REQ A/C switch ON On
OFF Off
Revision: 2010 May2011 QX56
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HAC-144
< REMOVAL AND INSTALLATION >[AUTOMATIC AIR CONDITIONING]
FRONT A/C CONTROL
REMOVAL AND INSTALLATION
FRONT A/C CONTROL
Removal and InstallationINFOID:0000000006275996
REMOVAL
1. Remove cluster lid C. Refer to
IP-14, "Removal and Installation".
2. Remove preset switch. Refer to AV-227, "
Removal and Installation".
3. Disconnect harness connector from front A/C control.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56
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REAR A/C CONTROLHAC-145
< REMOVAL AND INSTALLATION > [AUTOMATIC AIR CONDITIONING]
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REAR A/C CONTROL
Removal and InstallationINFOID:0000000006275997
REMOVAL
1. Remove console rear finisher. Refer to IP-29, "Removal and Installation".
2. Remove fixing screws, and then remove rear A/C control.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56
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HAC-146
< REMOVAL AND INSTALLATION >[AUTOMATIC AIR CONDITIONING]
A/C AUTO AMP.
A/C AUTO AMP.
Removal and InstallationINFOID:0000000006275999
REMOVAL
1. Remove cluster lid C lower. Refer to
IP-14, "Removal and Installation".
2. Remove AV control unit. Refer to AV-212, "
Removal and Installation".
3. Disconnect harness connector from A/C auto amp..
4. Remove fixing screws, and then remove A/C auto amp..
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56
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AMBIENT SENSORHAC-147
< REMOVAL AND INSTALLATION > [AUTOMATIC AIR CONDITIONING]
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AMBIENT SENSOR
Removal and InstallationINFOID:0000000006276000
REMOVAL
1. Remove front grill. Refer to EXT-19, "Removal and Installation".
2. Disengage the pawl, and then remove ambient sensor from bracket.
3. Disconnect ambient sensor connector, and then remove the ambient sensor.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
HAC-148
< REMOVAL AND INSTALLATION >[AUTOMATIC AIR CONDITIONING]
IN-VEHICLE SENSOR
IN-VEHICLE SENSOR
FRONT A/C UNIT ASSEMBLY
FRONT A/C UNIT ASSEMBLY :
Removal and InstallationINFOID:0000000006276001 INFINITI QX56 2011 Factory Service Manual
HAC-148
< REMOVAL AND INSTALLATION >[AUTOMATIC AIR CONDITIONING]
IN-VEHICLE SENSOR
IN-VEHICLE SENSOR
FRONT A/C UNIT ASSEMBLY
FRONT A/C UNIT ASSEMBLY :
Removal and InstallationINFOID:0000000006276001](/manual-img/42/57033/w960_57033-3253.png)
HAC-148
< REMOVAL AND INSTALLATION >[AUTOMATIC AIR CONDITIONING]
IN-VEHICLE SENSOR
IN-VEHICLE SENSOR
FRONT A/C UNIT ASSEMBLY
FRONT A/C UNIT ASSEMBLY :
Removal and InstallationINFOID:0000000006276001
REMOVAL
1. Remove instrument lower panel LH. Refer to IP-14, "Removal and Installation".
2. Remove fixing screw, and then remove in-vehicle sensor.
INSTALLATION
Install in the reverse order of removal.
REAR A/C UNIT ASSEMBLY
REAR A/C UNIT ASSEMBLY : Removal and InstallationINFOID:0000000006276002
REMOVAL
1. Remove rear A/C unit assembly. Refer to HA-47, "REAR A/C UNIT ASSEMBLY : Removal and Installa-
tion".
2. Remove the intake sensor from rear A/C unit assembly.
INSTALLATION
Note the following items, and install in the reverse order of removal.
CAUTION:
Replace O-rings with new ones. Then apply the compressor oil to them when installing.
Mark the mounting position of intake sensor bracket prior to removal so that the reinstalled sensor
can be located in the same position.
Never rotate the bracket insertion part when removing and installing the intake sensor.
Check for leakages when recharging refrigerant. Refer to HA-18, "
Leak Test".
Revision: 2010 May2011 QX56
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SUNLOAD SENSORHAC-149
< REMOVAL AND INSTALLATION > [AUTOMATIC AIR CONDITIONING]
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SUNLOAD SENSOR
Removal and InstallationINFOID:0000000006276003
REMOVAL
1. Remove upper ventilator grill RH. Refer to VTL-10, "UPPER VENTILATOR GRILLE : Removal and Instal-
lation".
2. Remove sunload sensor from front defroster grill RH.
3. Disconnect harness connector from sunload sensor.
INSTALLATION
Install in the reverse order of removal.
Revision: 2010 May2011 QX56
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HAC-150
< REMOVAL AND INSTALLATION >[AUTOMATIC AIR CONDITIONING]
INTAKE SENSOR
INTAKE SENSOR
Exploded ViewINFOID:0000000006276004
Refer to
HA-41, "Exploded View".
Removal and InstallationINFOID:0000000006276005
REMOVAL
1. Remove the front evaporator assembly. Refer to HA-43, "EVAPORATOR : Removal and Installation".
2. Remove the intake sensor from front evaporator.
INSTALLATION
Note the following items, and install in the reverse order of removal.
CAUTION:
Replace O-rings with new ones. Then apply the compressor oil to them when installing.
Mark the mounting position of intake sensor bracket prior to removal so that the reinstalled sensor
can be located in the same position.
Never rotate the bracket insertion part when removing and installing the intake sensor.
Check for leakages when recharging refrigerant. Refer to HA-18, "
Leak Test".
Revision: 2010 May2011 QX56