Nissan X-Trail 32. Instruction — part 1403
B24A9 SUNLOAD SENSOR
HAC-87
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
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HAC
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B24A9 SUNLOAD SENSOR
DTC Description
INFOID:0000000010939744
DTC DETECTION LOGIC
NOTE:
Sunload sensor may register a malfunction when indoors, at dusk, or at other times when light is insufficient.
When performing the diagnosis indoors, use a lamp (60 W or more) that is pointed at the sunload sensor.
POSSIBLE CAUSE
[CIRCUIT SHORT TO GROUND]
• Sunload sensor
• A/C auto amp.
• Harness or connectors (The sensor circuit is shorted to ground.)
[CIRC SHORT TO BATT OR OPEN]
• Sunload sensor
• A/C auto amp.
• Harness or connectors (The sensor circuit is open or shorted to battery.)
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010939745
1.
CHECK SUNLOAD SENSOR SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between A/C auto amp. harness connector and ground
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B24A9
SUNLOAD SENSOR
(Sunload sensor)
[CIRCUIT SHORT TO GROUND]
Detected calorie at sunload sensor 950 W/m
2
(817
kcal/m
2
·h) or more.
[CIRC SHORT TO BATT OR OPEN]
Detected calorie at sunload sensor 50 W/m
2
(43
kcal/m
2
·h) or less.
HAC-88
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B24A9 SUNLOAD SENSOR
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 2.
2.
CHECK SUNLOAD SENSOR POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect sunload sensor connector.
3.
Turn ignition switch ON.
4.
Check voltage between sunload sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 5.
3.
CHECK SUNLOAD SENSOR GROUND CIRCUIT FOR OPEN
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.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair harness or connector.
4.
REPLACE SUNLOAD SENSOR
1.
Replace sunload sensor. Refer to
HAC-129, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
3.
Check DTC.
Is DTC detected?
YES
>> Replace A/C auto amp. Refer to
HAC-126, "Removal and Installation"
.
NO
>> INSPECTION END
5.
CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR OPEN
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.
+
−
Condition
Voltage
A/C auto amp.
Connector
Terminal
M174
54
Ground
Sensor detection
sunload amount
0 W/m
2
5.00 V
200 W/m
2
4.46 V
400 W/m
2
3.92 V
600 W/m
2
3.39 V
800 W/m
2
2.85 V
1000 W/m
2
2.25 V
+
−
Voltage
(Approx.)
Sunload sensor
Connector
Terminal
M74
1
Ground
5 V
Sunload sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M74
2
M174
63
Existed
B24A9 SUNLOAD SENSOR
HAC-89
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
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G
H
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K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair harness or connector.
6.
CHECK SUNLOAD SENSOR POWER SUPPLY CIRCUIT FOR SHORT
1.
Check continuity between sunload sensor harness connector and ground.
2.
Check voltage between in-vehicle harness connector and ground
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-126, "Removal and Installation"
.
NO
>> Repair harness or connector.
7.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-126, "Removal and Installation"
.
NO
>> Repair or replace malfunctioning parts.
Sunload sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M74
1
M174
54
Existed
Sunload sensor
—
Continuity
Connector
Terminal
M74
1
Ground
Not existed
+
−
Voltage
Sunload sensor
Connector
Terminal
M74
1
Ground
0 V
HAC-90
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B24B4 A/C CONTROL
B24B4 A/C CONTROL
DTC Description
INFOID:0000000010939746
DTC DETECTION LOGIC
POSSIBLE CAUSE
A/C control (Internal circuit malfunction)
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
1.
PERFORM SELF-DIAGNOSIS
With CONSULT
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
3.
Check DTC.
Is DTC detected?
YES
>> Refer to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010939747
1.
REPLACE A/C CONTROL
Replace A/C control. Refer to
HAC-125, "Removal and Installation"
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B24B4
A/C CONTROL
(Air conditioning control)
[GENERAL ELEC MALFUNCTN]
An internal circuit error message is received from A/C
control via LIN communication for 30 seconds or more.
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