Nissan Teana J32. Manual - part 700

 

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Nissan Teana J32. Manual - part 700

 

 

B2578, B2579 IN-VEHICLE SENSOR

HAC-169

< COMPONENT DIAGNOSIS >

[WITH 7 INCH DISPLAY]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

B2578, B2579 IN-VEHICLE SENSOR

Description

INFOID:0000000003884744

In-vehicle Sensor
• The in-vehicle sensor (1) is located on instrument driver lower

panel.

• It converts variations in compartment air temperature drawn from

the aspirator into a resistance value. It is then input into the A/C
auto amp.

In-vehicle Sensor Circuit

Aspirator
The aspirator (1) is located on driver side of heater & cooling unit
assembly. It produces vacuum pressure due to air discharged from
the heater & cooling unit assembly, continuously taking compartment
air in the aspirator.

DTC Logic

INFOID:0000000003884745

DTC DETECTION LOGIC

NOTE:

JPIIA1019ZZ

JPIIA0613GB

:

Vehicle front

JPIIA0890ZZ

RJIA1804E

HAC-170

< COMPONENT DIAGNOSIS >

[WITH 7 INCH DISPLAY]

B2578, B2579 IN-VEHICLE SENSOR

If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to 

HAC-

164, "DTC Logic"

 or 

HAC-165, "DTC Logic"

. 

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 

HAC-

164, "DTC Logic"

 or 

HAC-165, "DTC Logic"

. 

Is DTC “B2578” or “B2579” displayed?

YES

>> Perform trouble diagnosis for the in-vehicle sensor. Refer to 

HAC-170, "Diagnosis Procedure"

. 

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003884746

1.

CHECK VOLTAGE BETWEEN IN-VEHICLE SENSOR AND GROUND

1.

Disconnect in-vehicle sensor connector.

2.

Turn ignition switch ON.

3.

Check voltage between in-vehicle sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

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.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK IN-VEHICLE SENSOR

Check in-vehicle sensor. Refer to 

HAC-171, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace A/C auto amp.

NO

>> Replace in-vehicle sensor.

DTC

Items

 (CONSULT-III screen terms)

Diagnostic item is detected when...

Possible cause

B2578

IN CAR SENSOR (OUT OF RANGE 
[LOW])

Detected temperature at in-vehicle 
sensor 

−

44

°

C (

−

47

°

F) or less

• In-vehicle sensor
• A/C auto amp.
• Harness and connector

(In-vehicle sensor circuit is open, 
or there is a short in the circuit)

B2579

IN CAR SENSOR (OUT OF RANGE 
[HI])

Detected temperature at in-vehicle 
sensor 100

°

C (212

°

F) or more

(+)

(

−

)

Voltage

In-vehicle sensor

—

Connector

Terminal

M41

1

Ground

Approx. 5 V

In-vehicle sensor

 A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M41

2

M50

37

Existed

B2578, B2579 IN-VEHICLE SENSOR

HAC-171

< COMPONENT DIAGNOSIS >

[WITH 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:0000000003884747

1.

CHECK IN-VEHICLE SENSOR

1.

Turn ignition switch OFF.

2.

Disconnect in-vehicle sensor connector. Refer to 

VTL-83, "Exploded View"

.

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-172

< COMPONENT DIAGNOSIS >

[WITH 7 INCH DISPLAY]

B2581, B2582 INTAKE SENSOR

B2581, B2582 INTAKE SENSOR

Description

INFOID:0000000003884748

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:0000000003884749

DTC DETECTION LOGIC

NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to 

HAC-

164, "DTC Logic"

 or 

HAC-165, "DTC Logic"

. 

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 

HAC-

164, "DTC Logic"

 or 

HAC-165, "DTC Logic"

. 

Is DTC “B2581” or “B2582” displayed?

YES

>> Perform trouble diagnosis for the intake sensor. Refer to 

HAC-172, "Diagnosis Procedure"

. 

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003884750

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

 

 

 

 

 

 

 

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