Nissan X-Trail 32. Manual — part 1384
COMPONENT PARTS
HAC-11
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
LHD MODELS
BCM
BCM receives each signals, and controls PTC relay.
BCM transmits idle up signal to ECM according to electrical load condition.
Refer to
BCS-6, "BODY CONTROL SYSTEM : Component Parts Location"
for detailed installation location.
Combination meter
Combination meter transmits ambient temperature signal to BCM via CAN
communication line.
PTC heater
HAC-17, "A/C UNIT ASSEMBLY : PTC Heater"
Blower motor
HAC-16, "A/C UNIT ASSEMBLY : Blower Motor"
No.
Component
Function
JMIIA3679ZZ
HAC-12
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
COMPONENT PARTS
STOP/START SYSTEM
Right side of A/C unit assembly
No.
Component
Function
Ambient sensor
PTC relay-1/2/3
PTC relay is controlled by BCM, and supplies power supply to PTC heater.
ECM
ECM transmits engine speed signal, engine coolant temperature signal,
cooling fan speed request signal, and electrical power cut freeze signal to
BCM via CAN communication line.
Refer to
EC-812, "Component Parts Location"
for detailed installation loca-
tion.
Combination meter
Combination meter transmits ambient temperature signal to BCM via CAN
communication line.
BCM
BCM receives each signals, and controls PTC relay.
BCM transmits idle up signal to ECM according to electrical load condition.
Refer to
BCS-6, "BODY CONTROL SYSTEM : Component Parts Location"
for detailed installation location.
PTC heater
HAC-17, "A/C UNIT ASSEMBLY : PTC Heater"
Blower motor
COMPONENT PARTS
HAC-13
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
STOP/START SYSTEM : Component Parts Location
INFOID:0000000010939682
Left side of A/C unit assembly
Right side of A/C unit assembly
JMIIA3680ZZ
HAC-14
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
COMPONENT PARTS
A/C UNIT ASSEMBLY
A/C UNIT ASSEMBLY : Aspirator
INFOID:0000000010939683
The aspirator generates the vacuum by the air blown from the A/C
unit assembly and draws the air of the passenger room to the in-
vehicle sensor area via the aspirator duct.
A/C UNIT ASSEMBLY : Intake Sensor
INFOID:0000000010939684
Intake sensor measures evaporator temperature (through air tem-
perature). The sensor uses a thermistor which is sensitive to the
change in temperature. The electrical resistance of the thermistor
decreases as temperature increases.
A/C UNIT ASSEMBLY : Air Mix Door Motor (Driver Side)
INFOID:0000000010939685
DESCRIPTION
• The step motor system is adopted for air mix door motor (driver side).
• When a drive signal is input from A/C auto amp. to door motor, a step motor built into the door motor rotates
according to the drive signal, and then stops at the target door position.
No.
Component
Function
Ambient sensor
Refer to
ECM
ECM transmits engine coolant temperature signal and stop/start status sig-
nal to A/C auto amp. via CAN communication line.
ECM receives stop/start permit signal from A/C auto amp. via CAN commu-
nication line.
Refer to
EC-812, "Component Parts Location"
for detailed installation loca-
tion.
Sunload sensor
In-vehicle sensor
Combination meter
Combination meter transmits ambient temperature signal to A/C auto amp.
via CAN communication line.
A/C control
Power transistor
HAC-17, "A/C UNIT ASSEMBLY : Power Transistor"
Intake sensor
HAC-14, "A/C UNIT ASSEMBLY : Intake Sensor"
Intake door motor
HAC-16, "A/C UNIT ASSEMBLY : Intake Door Motor"
A/C auto amp.
Blower motor
HAC-16, "A/C UNIT ASSEMBLY : Blower Motor"
RJIA1804E
JMIIA3561GB
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