Nissan Tiida C11. Manual — part 895
HAC-244
< COMPONENT DIAGNOSIS >
[AUTO AIR CONDITIONER (W/NAVI)]
AMBIENT SENSOR
AMBIENT SENSOR
Component Description
INFOID:0000000001547357
COMPONENT DESCRIPTION
Ambient Sensor
The ambient sensor is attached on the radiator core support upper. It
detects ambient temperature and converts it into a resistance value
which is then input into the front air control
AMBIENT TEMPERATURE INPUT PROCESS
The front air control includes a processing circuit for the ambient sensor input. However, when the tempera-
ture detected by the ambient sensor increases quickly, the processing circuit retards the front air control func-
tion. It only allows the front air control to recognize an ambient temperature increase of 0.33
°
C (0.6
°
F) per 100
seconds.
As an example, consider stopping for a few minutes after high speed driving. Although the actual ambient tem-
perature has not changed, the temperature detected by the ambient sensor will increase. This is because the
heat from the engine compartment can radiate to the front grille area, location of the ambient sensor.
Ambient Sensor Diagnosis Procedure
INFOID:0000000001547358
DIAGNOSTIC PROCEDURE FOR AMBIENT SENSOR
SYMPTOM: Ambient sensor circuit is open or shorted.
LEDs of intake switch (FRE, REC) does not illuminate as a result of
performing self-diagnosis STEP-2.
1.
CHECK VOLTAGE BETWEEN AMBIENT SENSOR AND GROUND
1.
Turn ignition switch OFF.
2.
Disconnect ambient sensor connector.
3.
Turn ignition switch ON.
4.
Check voltage between ambient sensor harness connector E60
terminal 2 and ground.
Is the inspection result normal
YES
>> GO TO 2.
AWIIA0600ZZ
AWIIA0345GB
Terminals
Voltage
(Approx.)
(+)
(
−
)
Connector
Terminal
Ground
Ambient sensor:
E60
2
5V
AWIIA0307ZZ
AMBIENT SENSOR
HAC-245
< COMPONENT DIAGNOSIS >
[AUTO AIR CONDITIONER (W/NAVI)]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
NO
>> GO TO 4.
2.
CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND FRONT AIR CONTROL
1.
Turn ignition switch OFF.
2.
Disconnect front air control connector.
3.
Check continuity between ambient sensor harness connector
E60 (A) terminal 1 and front air control harness connector M85
(B) terminal 3.
Is the inspection result normal
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK AMBIENT SENSOR
HAC-245, "Ambient Sensor Component Inspection"
Is the inspection result normal
YES
>> 1.
Replace front air control. Refer to XXXX
2.
Go to self-diagnosis
HAC-213, "Front Air Control Self-Diagnosis"
and perform self-diagnosis.
NO
>> 1.
Replace ambient sensor.
2.
Go to self-diagnosis
HAC-213, "Front Air Control Self-Diagnosis"
and perform self-diagnosis.
4.
CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND FRONT AIR CONTROL
1.
Turn ignition switch OFF.
2.
Disconnect front air control connector.
3.
Check continuity between ambient sensor harness connector
E60 (A) terminal 1 and front air control harness connector M85
(B) terminal.
4.
Check continuity between ambient sensor harness connector
(A) and ground.
Is the inspection result normal
YES
>> 1.
Replace front air control. Refer to XXXX.
2.
HAC-213, "Front Air Control Self-Diagnosis"
NO
>> Repair harness or connector.
Ambient Sensor Component Inspection
INFOID:0000000001547359
COMPONENT INSPECTION
Ambient Sensor
A
B
Continuity
Connector
Terminal
Connector
Terminal
Ambient sensor:
E60
1
Front air control:
M86
10
Yes
AWIIA0558ZZ
A
B
Continuity
Connector
Terminal
Connector
Terminal
Ambient sensor:
E60
2
Front air control:
M86
3
Yes
A
Ground
Continuity
Connector
Terminal
Ambient sensor:
E60
2
No
AWIIA0559ZZ
HAC-246
< COMPONENT DIAGNOSIS >
[AUTO AIR CONDITIONER (W/NAVI)]
AMBIENT SENSOR
After disconnecting ambient sensor connector E60, measure resis-
tance between terminals 1 and 2 at sensor side, using the table
below.
If NG, replace ambient sensor. Refer to XXXX.
Temperature
°
C (
°
F)
Resistance k
Ω
−
15 (5)
12.73
−
10 (14)
9.92
−
5 (23)
7.80
0 (32)
6.19
5 (41)
4.95
10 (50)
3.99
15 (59)
3.24
20 (68)
2.65
25 (77)
2.19
30 (86)
1.81
35 (95)
1.51
40 (104)
1.27
45 (113)
1.07
AWIIA0603ZZ
IN-VEHICLE SENSOR
HAC-247
< COMPONENT DIAGNOSIS >
[AUTO AIR CONDITIONER (W/NAVI)]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
IN-VEHICLE SENSOR
Component Description
INFOID:0000000001547360
COMPONENT DESCRIPTION
In-vehicle Sensor
The in-vehicle sensor (1) is located on instrument lower finisher. It
converts variations in temperature of compartment air drawn from
the aspirator into a resistance value. It is then input into the front air
control.
Aspirator
The aspirator (1) is located on passenger’s side of A/C unit. It pro-
duces vacuum pressure due to air discharged from the A/C unit,
continuously taking compartment air in the aspirator.
In-Vehicle Sensor Diagnosis Procedure
INFOID:0000000001547361
DIAGNOSTIC PROCEDURE FOR IN-VEHICLE SENSOR
SYMPTOM: In-vehicle sensor circuit is open or shorted.
LEDs of intake switch (FRE, REC) does not illuminate as a result of
performing self-diagnosis STEP-2.
SJIA0844E
SJIA0845E
RJIA1402E
AWIIA0346GB
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