Nissan Sentra. Manual — part 555
HAC-68
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
B2581, B2582 INTAKE SENSOR
3. Check resistance between intake sensor terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace intake sensor. Refer to
HAC-109, "Removal and Installation"
Terminal
Condition
Resistance: k
Ω
Temperature:
°C (°F)
1
2
−15 (5)
17.73
−10 (14)
13.46
−5 (23)
10.33
0 (32)
8.00
5 (41)
6.25
10 (50)
4.93
15 (59)
3.92
20 (68)
3.14
25 (77)
2.54
30 (86)
2.06
35 (95)
1.69
40 (104)
1.39
45 (113)
1.15
B2630, B2631 SUNLOAD SENSOR
HAC-69
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B2630, B2631 SUNLOAD SENSOR
DTC Logic
INFOID:0000000009757663
DTC DETECTION LOGIC
NOTE:
• If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
(U1000) or
(U1010).
• Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient.
When performing the diagnosis indoors, light the sunload sensor with a lamp (60W or more).
DTC CONFIRMATION PROCEDURE
1.
CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
1. Using CONSULT, perform “SELF-DIAGNOSIS RESULTS” of HVAC.
2. Check if any DTC No. is displayed in the self-diagnosis results.
NOTE:
• If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
(U1000) or
(U1010).
• Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient.
When performing the diagnosis indoors, light the sunload sensor with a lamp (60W or more).
Is DTC No.“B2630” or “B2631” displayed?
YES
>> Perform trouble diagnosis for the sunload sensor. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009757664
Regarding Wiring Diagram information, refer to
1.
CHECK SUNLOAD SENSOR POWER SUPPLY
1. Disconnect sunload sensor connector.
2. Turn ignition switch ON.
3. Check voltage between sunload sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK CONTINUITY BETWEEN SUNLOAD SENSOR AND A/C AUTO AMP.
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between sunload sensor harness connector and A/C auto amp. harness connector.
DTC
Items
(CONSULT screen terms)
Diagnostic item is detected when...
Possible cause
B2630
SUNLOAD SEN (SHORT)
Detected calorie at sunload sensor 1677 w/m
2
(1442 kcal/m
2
·h) or more
• Sunload sensor
• A/C auto amp.
• Harness and connector
(Sunload sensor circuit is open, or
there is a short in the circuit)
B2631
SUNLOAD SEN (OPEN)
Detected calorie at sunload sensor 33 w/m
2
(28 kcal/m
2
·h)
+
−
Voltage
(Approx.)
Sunload sensor
Connector
Terminal
M70
1
Ground
5 V
HAC-70
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
B2630, B2631 SUNLOAD SENSOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK SUNLOAD SENSOR
1. Reconnect sunload sensor connector and A/C auto amp. connector.
2. Check sunload sensor. Refer to
HAC-70, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-105, "Removal and Installation"
.
NO
>> Replace sunload sensor. Refer to
HAC-108, "Removal and Installation"
4.
CHECK CONTINUITY BETWEEN SUNLOAD SENSOR AND A/C AUTO AMP.
1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between sunload sensor harness connector and A/C auto amp. harness connector.
4. Check continuity between sunload sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-105, "Removal and Installation"
.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000009757665
1.
CHECK SUNLOAD SENSOR
1. Turn ignition switch ON.
2. Check voltage between A/C auto amp. harness connector and ground.
Sunload sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M70
2
M34
10
Yes
Sunload sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M70
1
M34
5
Yes
Sunload sensor
—
Continuity
Connector
Terminal
M70
1
Ground
No
(+)
(
−)
A/C auto amp.
—
Connector
Terminal
M34
5
Ground
B2630, B2631 SUNLOAD SENSOR
HAC-71
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
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M
A
B
HAC
N
O
P
NOTE:
Select a place in direct sunlight when checking sunload sensor.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace sunload sensor. Refer to
HAC-108, "Removal and Installation"
AWIIA1189GB
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