Infiniti QX56 (JA60). Manual — part 590
![](/vehicles/zatt/vend/genn/juthyo.png)
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-17
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Mode door position
Air outlet/distribution
Vent
Foot
100%
—
50%
50%
—
100%
WJIA0541E
![](/vehicles/zatt/vend/genn/gheathad.png)
HAC-18
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
AUTOMATIC AIR CONDITIONER SYSTEM
Switches And Their Control Function (Front)
INFOID:0000000005147679
WJIA1680E
AWIIA0083GB
![](/vehicles/zatt/vend/genn/remyod.png)
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-19
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Switches And Their Control Function (Rear)
INFOID:0000000005147680
AWIIA0275GB
AWIIA0084GB
![](/vehicles/zatt/vend/genn/thona.png)
HAC-20
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
DIAGNOSIS SYSTEM (HVAC)
DIAGNOSIS SYSTEM (HVAC)
CONSULT-III Function (HVAC)
INFOID:0000000005147681
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
SELF-DIAGNOSIS
Display Item List
DATA MONITOR
Display Item List
Diagnostic mode
Description
SELF-DIAG RESULTS
Displays A/C auto amp. self-diagnosis results.
DATA MONITOR
Displays A/C auto amp. input/output data in real time.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER
A/C auto amp. part number can be read.
DTC
Description
Reference page
B2573
Battery voltage out of range
B2578
In-vehicle sensor circuit out of range (low)
HAC-78, "In-Vehicle Sensor Diagnosis Procedure"
B2579
In-vehicle sensor circuit out of range (high)
B257B
Ambient sensor circuit short
HAC-75, "Ambient Sensor Diagnosis Procedure"
B257C
Ambient sensor circuit open
B257F
Optical sensor (Driver) circuit open or short
HAC-81, "Optical Sensor Diagnosis Procedure"
.
B2580
Optical sensor (Passenger) circuit open or short
B2581
Intake sensor circuit short
HAC-83, "Intake Sensor Diagnosis Procedure"
B2582
Intake sensor circuit open
U1000
CAN bus fault
LAN-14, "Trouble Diagnosis Flow Chart"
Monitor item
Value
Contents
BATT VIA CAN
"V"
Displays battery voltage signal.
IGN VIA CAN
"ON/OFF"
Displays ignition switch signal.
DVR SUNLD SEN
"w/m2"
Displays optical sensor (driver) signal.
PAS SUNLD SEN
"w/m2"
Displays optical sensor (passenger) signal.
AMB TEMP SEN
"
°C"
Displays ambient sensor signal.
EVAP TEMP SEN
"
°C"
Displays intake sensor signal.
INCAR TMP SEN
"
°C"
Displays in-vehicle sensor signal.
RR TEMPSET FR
"V"
Displays air mix door (front) set point signal.
RR TEMPSET RR
"V"
Displays air mix door (rear) set point signal.
MODE FDBCK
"V"
Displays mode door motor feedback signal.
DVR MIX FDBCK
"V"
Displays air mix door motor (driver) feedback signal.
PAS MIX FDBCK
"V"
Displays air mix door motor (passenger) feedback signal.
RR FDBCK
"V"
Displays air mix door motor (rear) feedback signal.
DEF FDBCK
"V"
Displays defroster door motor feedback signal.
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