Nissan X-Trail 32. Instruction — part 1395
A/C AUTO AMP.
HAC-55
< ECU DIAGNOSIS INFORMATION >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Fail-safe
INFOID:0000000010939719
FAIL-SAFE FUNCTION
If a communication error exists between the A/C auto amp. and A/C control for 30 seconds or longer, air con-
ditioning is controlled under the following conditions: A/C auto amp. is controlled in the setting state before the
communication error occurs for following setting.
• Set temperature
• Air outlet
• Blower fan speed
• Air inlet
• A/C switch
53
(P)
Ground
In-vehicle sensor
Input
Passenger
room tem-
perature
(Ignition
switch ON)
−
20
°
C
(
−
4
°
F)
3.09 V
−
10
°
C
(14
°
F)
2.46 V
0
°
C
(32
°
F)
1.89 V
10
°
C
(50
°
F)
1.41 V
20
°
C
(68
°
F)
1.03 V
25
°
C
(77
°
F)
0.88 V
30
°
C
(86
°
F)
0.75 V
40
°
C
(104
°
F)
0.55 V
54
(V)
Ground
Sunload sensor signal
Input
Sunload
amount
(Ignition
switch ON)
0 W/m
2
5.00 V
200 W/m
2
4.46 V
400 W/m
2
3.92 V
600 W/m
2
3.39 V
800 W/m
2
2.85 V
1000 W/m
2
2.25 V
63
(G)
Ground
Sensor ground (in-vehicle, sun-
load)
—
Ignition switch ON
0 – 0.1 V
71
(W)
—
CAN-L
Input/
Output
—
—
73
(Y)
Ground
LIN
Input/
Output
Ignition switch ON
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JMIIA3428GB
HAC-56
< ECU DIAGNOSIS INFORMATION >
[AUTOMATIC AIR CONDITIONING]
A/C AUTO AMP.
DTC Index
INFOID:0000000010939720
x: Applied
*: Perform self-diagnosis under sunshine. When performing indoors, aim a light (more than 60 W) at sunload
sensor, otherwise self-diagnosis indicates even though the sunload sensor is functioning normally.
DTC
Items
(CONSULT screen terms)
Fail-safe
Reference
U1000
CAN COMM CIRCUIT
—
B24A0
A/C AUTO AMP.
[INTERNAL ELECTRONIC ERROR]
—
B24A1
A/C AUTO AMP. POWER SUPPLY
[CIRC VOLT BELOW THRESHOLD]
—
B24A4
INTAKE SENSOR
[CIRCUIT SHORT TO GROUND]
—
[CIRC SHORT TO BATT OR OPEN]
—
B24A6
IN-VEHICLE SENSOR
[CIRCUIT SHORT TO GROUND]
—
[CIRC SHORT TO BATT OR OPEN]
—
B24A9
*
SUNLOAD SENSOR
[CIRCUIT SHORT TO GROUND]
—
[CIRC SHORT TO BATT OR OPEN]
—
B24B4
A/C CONTROL
[GENERAL ELEC MALFUNCTN]
—
B24B7
INTAKE DOOR MOTOR
[CIRCUIT SHORT TO BATTERY]
—
[CIRC SHORT TO GRND OR OPEN]
—
B24B9
MODE DOOR MOTOR
[CIRCUIT SHORT TO BATTERY]
—
[CIRC SHORT TO GRND OR OPEN]
—
B24BB
LEFT AIR MIX DOOR MOTOR
[CIRCUIT SHORT TO BATTERY]
—
[CIRC SHORT TO GRND OR OPEN]
—
B24BD
RIGHT AIR MIX DOOR MOTOR
[CIRCUIT SHORT TO BATTERY]
—
[CIRC SHORT TO GRND OR OPEN]
—
B24D4
A/C CONTROL COMM
[BUS SIGNAL/MESSAGE ERROR]
x
BCM, ECM, IPDM E/R
HAC-57
< ECU DIAGNOSIS INFORMATION >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
BCM, ECM, IPDM E/R
List of ECU Reference
INFOID:0000000010939721
ECU
Reference
BCM
BCS-77, "DTC Inspection Priority Chart"
ECM
MR20DD engine models
EC-107, "DTC Inspection Priority Chart"
QR25DE engine models
EC-515, "DTC Inspection Priority Chart"
R9M engine models
EC-907, "DTC Inspection Priority Chart"
IPDM E/R
HAC-58
< WIRING DIAGRAM >
[AUTOMATIC AIR CONDITIONING]
AUTOMATIC AIR CONDITIONING SYSTEM
WIRING DIAGRAM
AUTOMATIC AIR CONDITIONING SYSTEM
Wiring Diagram
INFOID:0000000010939722
JRIWC2446GB
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