Nissan Teana J32. Manual — part 670
B2578, B2579 IN-VEHICLE SENSOR
HAC-49
< COMPONENT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
4.
CHECK CIRCUIT CONTINUITY BETWEEN IN-VEHICLE SENSOR AND A/C AUTO AMP.
1.
Turn ignition switch OFF.
2.
Disconnect A/C auto amp. connector.
3.
Check continuity between in-vehicle sensor harness connector and A/C auto amp. harness connector.
4.
Check continuity between in-vehicle sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000003846335
1.
CHECK IN-VEHICLE SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect in-vehicle sensor connector. Refer to
.
3.
Check resistance between in-vehicle sensor terminals.
Is the inspection result normal?
YES
>> END.
NO
>> Replace in-vehicle sensor.
In-vehicle sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M41
1
M50
36
Existed
In-vehicle sensor
—
Continuity
Connector
Terminal
M41
1
Ground
Not existed
Terminal
Condition
Resistance k
Ω
Temperature
°
C (
°
F)
1
2
−
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
HAC-50
< COMPONENT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
B2581, B2582 INTAKE SENSOR
B2581, B2582 INTAKE SENSOR
Description
INFOID:0000000003846336
Intake Sensor
• The intake sensor (2) is located on the evaporator (1).
• It converts air temperature after it passes through the evaporator
into a resistance value which is then input to the A/C auto amp.
Intake Sensor Circuit
DTC Logic
INFOID:0000000003846337
DTC DETECTION LOGIC
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
1.
Using CONSULT-III, perform “SELF-DIAGNOSIS RESULTS” of HVAC.
2.
Check if any DTC 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
.
Is DTC “B2581” or “B2582” displayed?
YES
>> Perform trouble diagnosis for the intake sensor. Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003846338
1.
CHECK VOLTAGE BETWEEN INTAKE SENSOR AND GROUND
JPIIA0907ZZ
JPIIA0614GB
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
B2581
EVAP TEMP SEN (SHORT)
Detected temperature at intake sensor
−
33
°
C (
−
27
°
F) or less
• Intake sensor
• A/C auto amp.
• Harness and connector
(Intake sensor circuit is open, or there is a
short in the circuit)
B2582
EVAP TEMP SEN (OPEN)
Detected temperature at intake sensor
69
°
C (156
°
F) or more
B2581, B2582 INTAKE SENSOR
HAC-51
< COMPONENT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
1.
Disconnect intake sensor connector.
2.
Turn ignition switch ON.
3.
Check voltage between intake sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 4.
2.
CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.
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
Check intake sensor. Refer to
HAC-51, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace A/C auto amp.
NO
>> Replace intake sensor.
4.
CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.
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.
4.
Check continuity between intake sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace A/C auto amp.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000003846339
1.
CHECK INTAKE SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect intake sensor connector.
3.
Check resistance between intake sensor terminals.
(+)
(
−
)
Voltage
Intake sensor
—
Connector
Terminal
M42
2
Ground
Approx. 5 V
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M42
1
M50
37
Existed
Intake sensor
A/C auto amp.
Continuity
Connector
Terminal
Connector
Terminal
M42
2
M50
16
Existed
Intake sensor
—
Continuity
Connector
Terminal
M42
2
Ground
Not existed
HAC-52
< COMPONENT DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
B2581, B2582 INTAKE SENSOR
Is the inspection result normal?
YES
>> END.
NO
>> Replace intake sensor.
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)
6.26
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
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