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![INFINITI QX56 2008 Factory Service Manual AIR CONDITIONER CONTROLHAC-91
< ECU DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
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B
HAC
N
O P
13 G/R Variable blower control (front) ONBlower speed (low)
1.7V
Blower speed (high) 4.5V
INFINITI QX56 2008 Factory Service Manual AIR CONDITIONER CONTROLHAC-91
< ECU DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
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K L
M A
B
HAC
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13 G/R Variable blower control (front) ONBlower speed (low)
1.7V
Blower speed (high) 4.5V](/manual-img/42/57030/w960_57030-2343.png)
AIR CONDITIONER CONTROLHAC-91
< ECU DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
13 G/R Variable blower control (front) ONBlower speed (low)
1.7V
Blower speed (high) 4.5V
14 G/W Air mix door motor (passenger) CW ON Clockwise rotation Battery voltage
15 Y/G Power supply for IGN ON- Battery voltage
17 W/G Air mix door motor (driver) CW ON Clockwise rotationBattery voltage
18 G Air mix door motor (driver) CCW ON Co unterclockwise rotationBattery voltage
19 BR/W Mode door motor CW (front) ON Clockwise rotationBattery voltage
20 P/L Mode door motor CCW ON Counterclockwise rotationBattery voltage
21 G/B Intake door motor CCW ON Counterclockwise rotationBattery voltage
22 O Intake door motor CW ON Clockwise rotationBattery voltage
23 LG Defroster door motor CW ON Clockwise rotationBattery voltage
24 P/B Defroster door motor CCW ON Counterclockwise rotationBattery voltage
25 P Ambient sensor ON- 0 - 5V
26 V/R Sensor ground ON- 0V
27 Y/R Power supply for BAT -- Battery voltage
28 Y V ref ACTR (5V) ON- 0 - 5V
29 R/W Air mix door motor (passenger) feed-
back
ON
- 0 - 5V
30 R/Y Mode door motor (Rear) feedback ON -0 - 5V
31 BR/Y In-vehicle sensor motor (+) ON- Battery voltage
32 LG/R In-vehicle sensor signal ON- 0 - 5V
33 R/Y Air mix door motor (Rear) feedback ON -0 - 5V
36 B Ground -- 0V
40 P CAN-L ON- 0 - 5V
41 L CAN-H ON- 0 - 5V
42 W/V Optical sensor (passenger) ON- 0 - 5V
43 GR/R Mode door motor (Rear) CW ONClockwise rotation Battery voltage
44 L/Y Mode door motor (Rear) CCW ON Coun terclockwise rotationBattery voltage
45 Y/L Water valve ONWater valve open
Battery voltage
Water valve closed 0V
46 W/G Water valve ONWater valve open
0V
Water valve closed Battery voltage
47 O LIN BUS (rear) ON- Battery voltage
48 O LIN BUS (front) ON- Battery voltage
49 GR/R Air mix door motor (Rear) CW ONClockwise rotation Battery voltage
50 L/Y Air mix door motor (Rear) CCW ON Co unterclockwise rotationBattery voltage
Te r m i n a l
No. Wire
color ItemIgnition
switch Condition Voltage (V)
(Approx.)
Revision: March 2010 2008 QX56
Page 2345 of 4083
HAC-92
< ECU DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
AIR CONDITIONER CONTROL
Wiring Diagram
INFOID:0000000001679828
AAIWA0062GB
Revision: March 2010 2008 QX56
Page 2346 of 4083
AIR CONDITIONER CONTROLHAC-93
< ECU DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
ALIWA0021GB
Revision: March 2010 2008 QX56
Page 2347 of 4083
HAC-94
< ECU DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
AIR CONDITIONER CONTROL
ALIWA0050GB
Revision: March 2010
2008 QX56
Page 2348 of 4083
AIR CONDITIONER CONTROLHAC-95
< ECU DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
AWIIA0576GB
Revision: March 2010 2008 QX56
Page 2349 of 4083
HAC-96
< ECU DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
AIR CONDITIONER CONTROL
AAIIA0034GB
Revision: March 2010
2008 QX56
Page 2350 of 4083
AIR CONDITIONER CONTROLHAC-97
< ECU DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
ABIIA0572GB
Revision: March 2010 2008 QX56
Page 2351 of 4083
HAC-98
< ECU DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
AIR CONDITIONER CONTROL
AAIIA0035GB
Revision: March 2010
2008 QX56