Nissan Qashqai (2007-2010). Manual — part 934
HAC-96
< ECU DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
BCM (BODY CONTROL MODULE)
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
Signal name
Input/
Output
+
−
14
(L/R)
Ground
A/C switch
Output
A/C switch
Not pressed
Battery voltage
Pressed
0 V
15
(LG/B)
Ground
Fan switch
Output
Fan switch
Not pressed
Battery voltage
Pressed
0 V
AUTO AMP.
HAC-97
< ECU DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
AUTO AMP.
Reference Value
INFOID:0000000000954679
TERMINAL LAYOUT
PHYSICAL VALUES
JPIIA0179ZZ
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
1
(L)
Ground
Blower motor control signal
Output
• Ignition switch ON
• Blower speed: 1st- 6th
speed (manual)
2.5 V
• Ignition switch ON
• Blower speed: 7th speed
(manual)
9.0 V
3
(V)
Ground
A/C LAN signal
Input/
Output
Ignition switch ON
5
(L)
Ground
A/C switch signal
Output
A/C switch
Not pressed
12 V
Pressed
0 V
7
(O)
Ground
Sunload sensor
Input
—
—
9
(O)
Ground
Engine coolant temperature
signal
Input
At idle [after warming up, ap-
prox. 80
°
C (176
°
F)]
NOTE: The wave forms vary
depending on coolant temper-
ature.
SJIA1453J
SJIA1438J
HAC-98
< ECU DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
AUTO AMP.
14
(Y)
Ground
Speed sensor (8-pulse)
Input
Speed meter operated (When
vehicle speed is approx. 40
km/h)
NOTE: Maximum voltage may be 5
V due to specifications (connected
units)
16
(R)
Ground
Illumination signal
Input
Ignition switch ON
12 V
Ignition switch OFF
0 V
17
(B)
Ground
Ground
—
Ignition switch ON
0 V
18
(Y)
Ground
Power supply from IGN 2
—
Ignition switch ON
Battery voltage
20
(W)
Ground
Power supply for each door
motor
Input
Ignition switch ON
Battery voltage
21
(R)
Ground
A/C PD cut
Input
Ignition switch ON
0 V
22
(R)
Ground
Rear window defogger feed-
back signal
Input
Rear window defogger: OFF
0 V
Rear window defogger: ON
12 V
23
(SB)
Ground
Rear window defogger ON
signal
Input
When rear window defogger
switch is depressed.
When rear window defogger
switch is released.
24
(LG)
Ground
Blower motor ON signal
Input
AUTO SW: ON (Blower motor
operate.)
0 V
AUTO SW: OFF
12 V
25
(P)
Ground
Intake sensor
Input
—
—
26
(GR)
Ground
Sensor Ground
—
Ignition switch ON
0 V
27
(BR)
Ground
In-vehicle sensor
Input
—
—
28
(G)
Ground
OAT sensor
Input
—
—
34
(O)
Ground
High-level VENT SW signal
Input
High-level VENT SW: OFF
12 V
High-level VENT SW: ON
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
JSNIA0012GB
ZJIA1036J
JPIIA0013GB
AUTO AMP.
HAC-99
< ECU DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
36
(B)
Ground
Illumination ground
—
Ignition switch ON
0 V
38
(R)
Ground
Blower motor feedback signal
Input
Blower speed: 1st
10 V
39
(Y)
Ground
Power supply from BATT
—
Ignition switch OFF
Battery voltage
40
(GR)
Ground
Power supply from IGN
—
Ignition switch ON
Battery voltage
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
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