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![NISSAN TIIDA 2007 Service Repair Manual 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. Disco NISSAN TIIDA 2007 Service Repair Manual 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. Disco](/manual-img/5/57395/w960_57395-3496.png)
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:
M501
GroundBattery
voltageBattery
voltageBattery
voltage
7Approx.
0VApprox.
0VBattery
voltage
17Approx.
0VApprox.
0VBattery
voltage
SJIA0786E
Connector Terminal
GroundContinuity
Front air control:
M5010 Yes
SJIA0787E
Page 3498 of 5883
![NISSAN TIIDA 2007 Service Repair Manual AIR CONDITIONER CONTROL
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Front Air Control Terminals Reference ValuesIN NISSAN TIIDA 2007 Service Repair Manual AIR CONDITIONER CONTROL
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Front Air Control Terminals Reference ValuesIN](/manual-img/5/57395/w960_57395-3497.png)
AIR CONDITIONER CONTROL
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Front Air Control Terminals Reference ValuesINFOID: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
Te r m i n a l
No.Wire
colorItemIgnition
switchConditionVo l ta g e
(V)
1 LG Power supply for BAT OFF-
Battery voltage
3RPower supply for intake door
PBR (5V output)ON - Approx. 5
4BREngine coolant temperature
sensor signalONAt 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 ONA/C switch: ON
(Blower motor operates.)
SKIB3651J
ZJIA0583J
ZJIA0584J
Page 3499 of 5883
![NISSAN TIIDA 2007 Service Repair Manual HAC-166
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
AIR CONDITIONER CONTROL
14 WRear window defogger ON
signalONWhen rear window defogger
switch is depressed.Approx. 0
When rear window defogg NISSAN TIIDA 2007 Service Repair Manual HAC-166
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
AIR CONDITIONER CONTROL
14 WRear window defogger ON
signalONWhen rear window defogger
switch is depressed.Approx. 0
When rear window defogg](/manual-img/5/57395/w960_57395-3498.png)
HAC-166
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
AIR CONDITIONER CONTROL
14 WRear window defogger ON
signalONWhen rear window defogger
switch is depressed.Approx. 0
When rear window defogger
switch is released.Approx. 5
15 GR Blower PWM ONBlower motor speed: 1st step
(manual)
16 GR Illumination signal ONLight 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-
nalONImmediately after temperature
adjustment switch operation 20 G
21 LG
22 R
23 GR
Mode door motor drive signal ONImmediately after mode switch
operation 24 W
25 Y
26 V
27 GIntake door motor drive sig-
nalONREC or
FRE switchREC→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 RRear window defogger feed-
back signalONRear 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 SBIntake door motor feedback
signalONREC position Approx. 5
FRE position Approx. 0
36 VIntake door motor drive sig-
nalONREC or
FRE switchREC→FRE Approx. 12
FRE→REC Approx. 0 Te r m i n a l
No.Wire
colorItemIgnition
switchConditionVoltag e
(V)
ZJIA0863J
HAK0627D
HAK0627D
Page 3500 of 5883
AIR CONDITIONER CONTROL
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Wiring Diagram - Air Conditioner Control -INFOID:0000000001547450
ALIWA0036GB
Page 3501 of 5883
HAC-168
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
AIR CONDITIONER CONTROL
ALIWA0037GB
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AIR CONDITIONER CONTROL
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HAC-170
< ECU DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
AIR CONDITIONER CONTROL
ALIIA0149GB
Page 3504 of 5883
AIR CONDITIONER CONTROL
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ALIIA0150GB