2010 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2010  Factory Service Manual DIAGNOSIS SYSTEM (BCM)HAC-21
< FUNCTION DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
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M A
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HAC
N
O P
DIAGNOSIS SYSTEM (BCM)
CONSULT-III Function (BCM - COMMON ITEM)INFOID:0000000005273928

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INFINITI QX56 2010  Factory Service Manual HAC-22
< FUNCTION DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
DIAGNOSIS SYSTEM (BCM)
Monitor Item
[Unit] Contents
IGN ON SW [ON/OFF] Display [ignition switch position (On)/(Off), ACC position (Off)] status

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INFINITI QX56 2010  Factory Service Manual SELF-DIAGNOSIS FUNCTIONHAC-23
< FUNCTION DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
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M A
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HAC
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SELF-DIAGNOSIS FUNCTION
A/C Auto Amp. Self-DiagnosisINFOID:0000000005147684
A/C SYSTE

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INFINITI QX56 2010  Factory Service Manual HAC-24
< FUNCTION DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
SELF-DIAGNOSIS FUNCTION
• Press the “BACK” switch and the “UP” switch within 10 seconds
after turning the ignition switch from OFF to

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INFINITI QX56 2010  Factory Service Manual MODE DOOR MOTORHAC-25
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
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HAC
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COMPONENT DIAGNOSIS
MODE DOOR MOTOR
System DescriptionINFOID:0000000005147687
SYSTEM DESCRIP

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INFINITI QX56 2010  Factory Service Manual HAC-26
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
MODE DOOR MOTOR
The mode door motor (front) is attached to the heater & cooling unit
assembly. It rotates so that air is discharged from the o

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INFINITI QX56 2010  Factory Service Manual MODE DOOR MOTORHAC-27
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
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M A
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HAC
N
O P
1. Turn ignition switch OFF.
2. Disconnect the A/C auto amp. harness connector.
3. Check con

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INFINITI QX56 2010  Factory Service Manual HAC-28
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
MODE DOOR MOTOR
1. Reconnect A/C auto am
p. harness connector.
2. Turn ignition switch ON.
3. Check voltage between A/C auto amp. harness conn