Infiniti EX35. Manual - part 1095

 

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Infiniti EX35. Manual - part 1095

 

 

MWI-58

< COMPONENT DIAGNOSIS >

FUEL LEVEL SENSOR SIGNAL CIRCUIT

4.

Check continuity between unified meter and A/C amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK FUEL LEVEL SENSOR (MAIN-SUB) CIRCUIT

1.

Disconnect fuel level sensor unit and fuel pump (main) connector.

2.

Check continuity between fuel level sensor unit (sub) harness connector and fuel level sensor unit and
fuel pump (main) harness connector.

3.

Check continuity between fuel level sensor unit (sub) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK FUEL LEVEL SENSOR (MAIN) CIRCUIT

Check continuity between fuel level sensor unit and fuel pump (main) harness connector and unified meter
and A/C amp. harness connector.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK INSTALLATION CONDITION

Check fuel level sensor unit installation, and check whether the float arm interferes or binds with any of the
internal components in the fuel tank.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Install the fuel level sensor unit properly.

Component Inspection

INFOID:0000000003140212

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 AND FUEL PUMP (MAIN)

Unified meter A/C amp.

Ground

Continuity

Connector

Terminal

M67

42

Not existed

Fuel level sensor unit (sub)

Fuel level sensor unit and fuel pump (main)

Continuity

Connector

Terminal

Connector

terminal

B21

2

B22

2

Existed

Fuel level sensor unit (sub)

Ground

Continuity

Connector

Terminal

B21

2

Not existed

Fuel level sensor unit and fuel pump (main)

Unified meter A/C amp.

Continuity

Connector

Terminal

Connector

terminal

B22

5

M67

58

Existed

MWI

FUEL LEVEL SENSOR SIGNAL CIRCUIT

MWI-59

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Check the resistance between fuel level sensor unit and fuel pump
(main).

Standard float position

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace fuel level sensor unit and fuel pump (main).

3.

CHECK FUEL LEVEL SENSOR UNIT (SUB)

Inspect the resistance of fuel level sensor unit (sub).

Standard float position

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace fuel level sensor unit (sub).

Fuel level sensor unit and fuel pump 

(main)

Condition

Resistance

(Approx.)

Terminal

2

5

Full

Empty

80 

JPNIA0841ZZ

Full (A) [mm (in)]

: Approx. 194 (7.64)

Empty (B) [mm (in)]

: Approx. 30 (1.18)

Fuel level sensor unit (sub)

Condition

Resistance

(Approx.)

Terminal

1

2

Full

Empty

43 

JPNIA0842ZZ

Full (A) [mm (in)]

: Approx. 32 (1.26)

Empty (B) [mm (in)]

: Approx. 203 (7.99)

MWI-60

< COMPONENT DIAGNOSIS >

METER CONTROL SWITCH SIGNAL CIRCUIT

METER CONTROL SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000003140213

Transmits the following signals to the combination meter.

Diagnosis Procedure

INFOID:0000000003140214

1.

CHECK METER CONTROL SWITCH INPUT SIGNAL

1.

Turn the ignition switch ON.

2.

Measure voltage between the following terminals of the combination meter.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK METER CONTROL SWITCH SIGNAL CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect the combination meter and meter control switch connectors.

3.

Check continuity between combination meter harness connector and meter control switch harness con-
nector.

4.

Check continuity between combination meter harness connector and ground.

 (Illumination control) switch signal (+)

 (Illumination control) switch signal (–)

 (select) switch signal

 (enter) switch signal

Combination meter

Condition

Voltage

Connector

Terminal

(+)

(-)

M53

36

16

When 

 (select) switch is pressed

0 V

Other than the above

5 V

37

16

When 

 (enter) switch is pressed

0 V

Other than the above

5 V

39

16

When 

 (illumination control) switch is 

pressed

0 V

Other than the above

5 V

40

16

When 

 (illumination control) switch is 

pressed

0 V

Other than the above

5 V

Combination meter

Meter control switch

Continuity

Connector

Terminal

Connector

Terminal

M53

16

M54

2

Existed

36

6

Existed

37

7

Existed

39

3

Existed

40

1

Existed

MWI

METER CONTROL SWITCH SIGNAL CIRCUIT

MWI-61

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000003140215

1.

CHECK METER CONTROL SWITCH UNIT

1.

Turn the ignition switch OFF.

2.

Disconnect the meter control switch connector.

3.

Check continuity between the following terminals of the meter control switch.

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Replace the meter control switch.

Combination meter

Ground

Continuity

Connector

Terminal

M53

16

Not existed

36

Not existed

37

Not existed

39

Not existed

40

Not existed

Combination meter

Operation and status

Continuity

Connector

Terminal

M54

6

2

Press 

 (select) switch

Existed

Other than the above

Not existed

7

2

Press 

 (enter) switch

Existed

Other than the above

Not existed

3

2

Press 

 (illumination control) switch

Existed

Other than the above

Not existed

1

2

Press 

 (illumination control) switch

Existed

Other than the above

Not existed

 

 

 

 

 

 

 

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