Nissan Tiida C11. Manual — part 875
HAC-164
< COMPONENT DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
POWER SUPPLY AND GROUND CIRCUIT FOR CONTROLLER
1.
CHECK POWER SUPPLY CIRCUIT FOR FRONT AIR CONTROL
1.
Turn ignition switch OFF.
2.
Disconnect front air control connector M50.
3.
Check voltage between front air control harness connector M50
terminal 1, 7, 17 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>>
Check 10A fuses [Nos. 2, 13 and 16, located in the fuse block (J/B)].
• If fuses are OK, check harness for open circuit. Repair or replace if necessary.
• If fuses are NG, replace fuse and check harness for short circuit. Repair or replace if necessary.
2.
CHECK GROUND CIRCUIT FOR FRONT AIR CONTROL
1.
Turn ignition switch OFF.
2.
Check continuity between front air control harness connector
M50 terminal 10 and ground.
Is the inspection result normal?
YES
>> Replace front air control. Refer to XX.
NO
>> Repair or replace harness.
Terminals
Ignition switch position
(+)
(-)
OFF
ACC
ON
Connector
Terminal
Front air control:
M50
1
Ground
Battery
voltage
Battery
voltage
Battery
voltage
7
Approx.
0V
Approx.
0V
Battery
voltage
17
Approx.
0V
Approx.
0V
Battery
voltage
SJIA0786E
Connector
Terminal
Ground
Continuity
Front air control:
M50
10
Yes
SJIA0787E
AIR CONDITIONER CONTROL
HAC-165
< ECU DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
ECU DIAGNOSIS
AIR CONDITIONER CONTROL
Front Air Control Terminals Reference Values
INFOID:0000000001547449
Measure voltage between each terminal and ground by following terminals and reference value for front air
control.
PIN CONNECTOR TERMINAL LAYOUT
TERMINALS AND REFERENCE VALUE FOR FRONT AIR CONTROL
AWIIA0502ZZ
Terminal
No.
Wire
color
Item
Ignition
switch
Condition
Voltage
(V)
1
LG
Power supply for BAT
OFF
-
Battery voltage
3
R
Power supply for intake door
PBR (5V output)
ON
-
Approx. 5
4
BR
Engine coolant temperature
sensor signal
ON
At idle (after warming up, ap-
prox. 80
°
C)
CAUTION:
The wave forms vary de-
pending on coolant tempera-
ture.
5
B
Illumination ground
ON
-
Approx. 0
7
R
Power supply for IGN 2
OFF
-
Battery voltage
9
V
PTC Heater ON/OFF signal
ON
Full Hot switch ON
Approx. 12
10
B
Ground
ON
-
Approx. 0
12
P
Blower motor ON signal
ON
FAN speed: 1st step (manual)
13
O
Compressor ON signal
ON
A/C switch: ON
(Blower motor operates.)
SKIB3651J
ZJIA0583J
ZJIA0584J
HAC-166
< ECU DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
AIR CONDITIONER CONTROL
14
W
Rear window defogger ON
signal
ON
When rear window defogger
switch is depressed.
Approx. 0
When rear window defogger
switch is released.
Approx. 5
15
GR
Blower PWM
ON
Blower motor speed: 1st step
(manual)
16
GR
Illumination signal
ON
Light switch: ON
Approx. 12
Light switch: OFF
Approx. 0
17
O
Power supply for IGN 1
ON
-
Battery voltage
19
BR
Air mix door motor drive sig-
nal
ON
Immediately after temperature
adjustment switch operation
20
G
21
LG
22
R
23
GR
Mode door motor drive signal
ON
Immediately after mode switch
operation
24
W
25
Y
26
V
27
G
Intake door motor drive sig-
nal
ON
REC or
FRE switch
REC
→
FRE
Approx. 0
FRE
→
REC
Approx. 12
28
LG
In-vehicle sensor
-
-
-
29
O
Intake sensor
-
-
-
30
SB
Ambient sensor
-
-
-
31
P
Sunload sensor
-
-
-
32
R
Rear window defogger feed-
back signal
ON
Rear window defogger: ON
Approx. 12
Rear window defogger: OFF
Approx. 0
33
BR
Sensor ground
ON
-
Approx. 0
34
L
Gas sensor signal
ON
-
Approx. 0.5 - 5
35
SB
Intake door motor feedback
signal
ON
REC position
Approx. 5
FRE position
Approx. 0
36
V
Intake door motor drive sig-
nal
ON
REC or
FRE switch
REC
→
FRE
Approx. 12
FRE
→
REC
Approx. 0
Terminal
No.
Wire
color
Item
Ignition
switch
Condition
Voltage
(V)
ZJIA0863J
HAK0627D
HAK0627D
AIR CONDITIONER CONTROL
HAC-167
< ECU DIAGNOSIS >
[AUTO AIR CONDITIONER (W/O NAVI)]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Wiring Diagram - Air Conditioner Control -
INFOID:0000000001547450
ALIWA0036GB
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст