2008 INFINITI QX56 air condition

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Page 2329 of 4083

INFINITI QX56 2008  Factory Service Manual HAC-76
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
WATER VALVE CIRCUIT
WATER VALVE CIRCUIT
DescriptionINFOID:0000000001679811
COMPONENT DESCRIPTION
Water Valve
The water valve (1) cuts the flow

Page 2330 of 4083

INFINITI QX56 2008  Factory Service Manual WATER VALVE CIRCUITHAC-77
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
1. Rotate temperature control dial (driver) to 18 °C (60 °F).
2. Check voltage between

Page 2331 of 4083

INFINITI QX56 2008  Factory Service Manual HAC-78
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
AMBIENT SENSOR
AMBIENT SENSOR
Component DescriptionINFOID:0000000001679813
COMPONENT DESCRIPTION
Ambient Sensor
The ambient sensor (1) is atta

Page 2332 of 4083

INFINITI QX56 2008  Factory Service Manual AMBIENT SENSORHAC-79
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity betwe

Page 2333 of 4083

INFINITI QX56 2008  Factory Service Manual HAC-80
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
AMBIENT SENSOR
After disconnecting ambient sensor (1) connector E1, measure
resistance between terminals 1 and 2 at sensor component side,
usi

Page 2334 of 4083

INFINITI QX56 2008  Factory Service Manual IN-VEHICLE SENSORHAC-81
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
IN-VEHICLE SENSOR
Component DescriptionINFOID:0000000001679816
COMPONENT DESCRIPTION
In-ve

Page 2335 of 4083

INFINITI QX56 2008  Factory Service Manual HAC-82
< COMPONENT DIAGNOSIS >[AUTOMATIC AIR CONDITIONER]
IN-VEHICLE SENSOR
1. Disconnect in-vehicle sensor connector.
2. Turn ignition switch ON.
3. Check voltage between in-vehicle sensor harness co

Page 2336 of 4083

INFINITI QX56 2008  Factory Service Manual IN-VEHICLE SENSORHAC-83
< COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER]
C
D
E
F
G H
J
K L
M A
B
HAC
N
O P
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector and in-vehicle sensor c