Nissan Qashqai J11. Manual — part 1112
HAC-84
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B24A4 INTAKE SENSOR
B24A4 INTAKE SENSOR
DTC Logic
INFOID:0000000010432204
DTC DETECTION LOGIC
POSSIBLE CAUSE
[CIRCUIT SHORT TO GROUND]
• Intake sensor
• A/C auto amp.
• Harness or connectors (The sensor circuit is shorted to ground.)
[CIRC SHORT TO BATT OR OPEN]
• Intake 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:0000000010432205
NOTE:
The intake sensor cannot be reused. If the intake sensor harness connector is disconnected, sensor must be
replaced.
1.
CHECK INTAKE 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
B24A4
INTAKE SENSOR
(Intake sensor)
[CIRCUIT SHORT TO GROUND]
The intake sensor recognition temperature is
too low [less than
−
44
°
C (
−
47
°
F)].
[CIRC SHORT TO BATT OR OPEN]
The intake sensor recognition temperature is
too high [more than 100
°
C (212
°
F)].
B24A4 INTAKE SENSOR
HAC-85
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 2.
2.
CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between intake sensor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK INTAKE SENSOR GROUND CIRCUIT FOR OPEN
1.
Check continuity between intake 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.
CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR SHORT
1.
Check continuity between intake sensor harness connector and ground.
2.
Check voltage between intake harness connector and ground
+
−
Condition
Voltage
A/C auto amp.
Connector
Terminal
M140
38
Ground
Sensor detection
temperature
−
20
°
C (
−
4
°
F)
3.62 V
−
10
°
C (14
°
F)
3.05 V
0
°
C (32
°
F)
2.46 V
10
°
C (50
°
F)
1.92 V
20
°
C (68
°
F)
1.46 V
25
°
C (77
°
F)
1.26 V
30
°
C (86
°
F)
1.09 V
40
°
C (104
°
F)
0.82 V
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M389
1
M140
38
Existed
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M389
2
M140
35
Existed
Intake sensor
—
Continuity
Connector
Terminal
M389
1
Ground
Not existed
+
−
Voltage
Intake sensor
Connector
Terminal
M389
1
Ground
0 V
HAC-86
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
B24A4 INTAKE SENSOR
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair harness or connector.
5.
CHECK INTAKE SENSOR
Check intake sensor. Refer to
HAC-86, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace A/C auto amp. Refer to
HAC-129, "Removal and Installation"
.
NO
>> Replace intake sensor. Refer to
HAC-133, "Removal and Installation"
6.
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-129, "Removal and Installation"
.
NO
>> Repair or replace malfunctioning parts.
Component Inspection
INFOID:0000000010432206
NOTE:
The intake sensor cannot be reused. If the intake sensor harness connector is disconnected, sensor must be
replaced.
1.
CHECK INTAKE SENSOR
1.
Remove intake sensor from A/C unit assembly without disconnecting intake sensor connector. Refer to
HAC-133, "Removal and Installation"
.
2.
Check resistance between intake sensor harness connector terminals. Refer to applicable table for the
normal value.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace intake sensor. Refer to
HAC-133, "Removal and Installation"
Intake sensor
Condition
Resistance: k
Ω
Con-
nector
Terminal
Temperature:
°
C (
°
F)
M389
1
2
−
20 (
−
4)
16.00
−
10 (14)
9.62
0 (32)
6.00
10 (50)
3.87
20 (68)
2.57
25 (77)
2.12
30 (86)
1.76
40 (104)
1.23
B24A6 IN-VEHICLE SENSOR
HAC-87
< DTC/CIRCUIT DIAGNOSIS >
[AUTOMATIC AIR CONDITIONING]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
B24A6 IN-VEHICLE SENSOR
DTC Logic
INFOID:0000000010432210
DTC DETECTION LOGIC
POSSIBLE CAUSE
[CIRCUIT SHORT TO GROUND]
• In-vehicle sensor
• A/C auto amp.
• Harness or connectors (The sensor circuit is shorted to ground.)
[CIRC SHORT TO BATT OR OPEN]
• In-vehicle 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:0000000010432211
1.
CHECK IN-VEHICLE 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
B24A6
IN-VEHICLE SENSOR
(In-vehicle sensor)
[CIRCUIT SHORT TO GROUND]
The in-vehicle sensor recognition temperature is
too low [less than
−
44
°
C (
−
47
°
F)].
[CIRC SHORT TO BATT OR OPEN]
The in-vehicle sensor recognition temperature is
too high [more than 100
°
C (212
°
F)].
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