Nissan Quest E52. Instruction — part 732
HAC-58
< ECU DIAGNOSIS INFORMATION >
[AUTOMATIC AIR CONDITIONING]
A/C AUTO AMP.
19
(O)
Ground
Front in-vehicle sensor sig-
nal
Input
Ignition switch ON
20
(R)
Ground
A/C auto amp. connection
recognition signal
Output
Ignition switch ON
4.8 – 5.2 V
21
(B/W)
Ground
Ground
—
Ignition switch ON
0 – 0.1 V
23
(B/W)
Ground
Ground
—
Ignition switch ON
0 – 0.1 V
24
(SB)
Ground
Vehicle speed signal
Input
Vehicle speed: 40 km/h (25
MPH)
NOTE:
Waveform varies according to
vehicle speed
30
(R)
Ground
Rear blower motor control
signal
Output
• Ignition switch ON
• Rear fan speed: 1st speed
(instruction)
32
(BR)
Ground
Communication signal
(A/C auto amp.
→
Rear A/C
control)
Output
Ignition switch ON
33
(SB)
Ground
Communication signal
(Rear A/C control
→
A/C
auto amp.)
Input
Ignition switch ON
36
(G)
Ground
Exhaust gas/outside odor
detecting sensor signal
Input
Ignition switch ON
NOTE:
Waveform varies according to
the measurement environment
of the vehicle
Terminal No.
(Wire color)
Description
Condition
Value
+
−
Signal name
Input/
Output
JSIIA1665ZZ
JSNIA0012GB
JSIIA0096ZZ
SJIA1521J
SJIA1522J
JMIIA2115GB
A/C AUTO AMP.
HAC-59
< ECU DIAGNOSIS INFORMATION >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
37
(GR)
Ground
Intake sensor signal
Input
Ignition switch ON
38
(P)
Ground
Rear in-vehicle sensor sig-
nal
Input
Ignition switch ON
39
(LG)
Ground
Ambient sensor signal
Input
Ignition switch ON
40
(Y)
Ground
Sensor ground
—
Ignition switch ON
0 – 0.1 V
Terminal No.
(Wire color)
Description
Condition
Value
+
−
Signal name
Input/
Output
JMIIA1786ZZ
JMIIA1787ZZ
JSIIA1665ZZ
HAC-60
< ECU DIAGNOSIS INFORMATION >
[AUTOMATIC AIR CONDITIONING]
BCM, ECM, IPDM E/R
BCM, ECM, IPDM E/R
List of ECU Reference
INFOID:0000000009652534
ECU
Reference
BCM
BCS-62, "DTC Inspection Priority Chart"
ECM
EC-94, "DTC Inspection Priority Chart"
IPDM E/R
AUTOMATIC AIR CONDITIONING SYSTEM
HAC-61
< WIRING DIAGRAM >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
WIRING DIAGRAM
AUTOMATIC AIR CONDITIONING SYSTEM
Wiring Diagram
INFOID:0000000009652535
JRIWC0458GB
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