Nissan Teana J32. Manual - part 825

 

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Nissan Teana J32. Manual - part 825

 

 

MWI

POWER SUPPLY AND GROUND CIRCUIT

MWI-43

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connectors.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
agnosis Procedure

INFOID:0000000003900506

1.

CHECK FUSES AND FUSIBLE LINK

Check that the following IPDM E/R fuses or fusible links are not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

Signal name

Fuse and fusible link No.

Battery power supply

I

10

Terminals

Voltage

(Approx.)

(+)

(

)

BCM

Ground

Connector

Terminal

M118

1

Battery voltage

M119

11

BCM

Ground

Continuity

Connector

Terminal

M119

13

Existed

Signal name

Fuses and fusible link No.

Battery power supply

E

50

51

MWI-44

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

2.

Disconnect IPDM E/R connector.

3.

Check voltage between IPDM E/R harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between IPDM E/R harness connectors and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Terminals

Voltage

(Approx.)

(+)

(

)

IPDM E/R

Connector

Terminal

Ground

E9

1

Battery voltage

IPDM E/R

Ground

Continuity

Connector

Terminal

E10

12

Existed

E11

41

MWI

FUEL LEVEL SENSOR SIGNAL CIRCUIT

MWI-45

< COMPONENT DIAGNOSIS >

C

D

E

F

G

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FUEL LEVEL SENSOR SIGNAL CIRCUIT

Description

INFOID:0000000003792570

The fuel level sensor unit and fuel pump detect the fuel level in the fuel tank and transmit the fuel gauge signal
to the combination meter.

Component Function Check

INFOID:0000000003792571

1.

CHECK COMBINATION METER OUTPUT SIGNAL

Select the “Data Monitor” for the “METER/M&A” and compare the “FUEL METER” monitor value with the fuel
gauge reading on the combination meter.

Does monitor value match fuel gauge reading?

YES

>> INSPECTION END

NO

>> Replace combination meter.

Diagnosis Procedure

INFOID:0000000003792572

1.

CHECK COMBINATION METER INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between combination meter harness connector terminal and ground.

Does it match fuel gauge reading?

YES

>> GO TO 2.

NO

>> Replace the combination meter.

2.

CHECK FUEL LEVEL SENSOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector and fuel level sensor unit and fuel pump connector.

3.

Check continuity between combination meter harness connector terminal and fuel level sensor unit and
fuel pump harness connector terminal.

Fuel gauge pointer

Reference value of data monitor [lit.]

Full

Approx. 64.6

Three quarters

Approx. 53.5

Half

Approx. 36.0

A quarter

Approx. 18.5

Empty

Approx. 8.0

Terminals

Voltage

(Approx.)

(+)

(-)

Combination meter

Ground

Terminal

Connector

M34

34

JPNIA0740ZZ

MWI-46

< COMPONENT DIAGNOSIS >

FUEL LEVEL SENSOR SIGNAL CIRCUIT

4.

Check continuity between combination meter harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK FUEL LEVEL SENSOR GROUND CIRCUIT

Check continuity between fuel level sensor unit and fuel pump harness connector terminal and combination
meter harness connector terminal.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000003792573

1.

REMOVE FUEL LEVEL SENSOR UNIT

Remove the fuel level sensor unit. Refer to 

FL-5, "Removal and Installation"

>> GO TO 2.

2.

CHECK FUEL LEVEL SENSOR UNIT

Check the resistance between fuel level sensor unit.

* : When float rod is in contact with stopper.

Terminals

Continuity

(+)

(-)

Combination meter

Fuel level sensor unit and fuel pump

Connector

Terminal

Connector

Terminal

M34

34

B40

2

Existed

Terminals

Continuity

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

34

Not existed

Terminals

Continuity

(+)

(-)

Fuel level sensor unit and fuel pump

Combination meter

Connector

Terminal

Connector

Terminal

B40

5

M34

24

Existed

Terminals

Condition

Resistance 

(

)

Height 

[mm (in)]

Fuel level sensor unit

(+)

(-)

Con-
nector

Termi-
nal

Con-
nector

Termi-
nal

B40

2

B40

5

Full (A)

*

6

167.8 

(6.61)

Empty (B)

*

80

35.9 

(1.413)

JPNIA1018ZZ

 

 

 

 

 

 

 

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