Nissan Murano Z51. Manual - part 1047

MWI-46

< DTC/CIRCUIT 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 (main) harness connector terminal and combination meter har-
ness connector terminal.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000005524878

1.

REMOVE FUEL LEVEL SENSOR UNIT

Remove the fuel level sensor unit. Refer to 

FL-6, "Removal and Installation"

. 

>> GO TO 2.

2.

CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (MAIN)

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

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)

Terminals

Continuity

(+)

(-)

Combination meter

Fuel level sensor unit (main)

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 (main)

Combination meter

Connector

Terminal

Connector

Terminal

B40

5

M34

24

Existed

Terminals

Condition

Resistance (

Ω

)

(Approx.)

Height [mm (in)]

(Approx.)

Fuel level sensor unit 

(main)

5

6

Full (A)

2.5

193 (7.6)

Empty (B)

81.5

15 (0.59)

2

7

—

0

—

JPNIA1323ZZ

MWI

FUEL LEVEL SENSOR SIGNAL CIRCUIT

MWI-47

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace fuel level sensor unit (sub).

Terminals

Condi-

tion

Resistance (

Ω

)

(Approx.)

Height [mm (in)]

(Approx.)

Fuel level sen-

sor unit (sub)

(+)

(-)

6

7

Full (A)

2.5

198 (7.8)

Empty 

(B)

45.2

10 (0.39)

JPNIA0738ZZ

MWI-48

< DTC/CIRCUIT DIAGNOSIS >

METER CONTROL SWITCH SIGNAL CIRCUIT

METER CONTROL SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000005524879

Transmits the following signals to the combination meter.

Diagnosis Procedure

INFOID:0000000005524880

1.

CHECK METER CONTROL SWITCH INPUT SIGNAL

1.

Turn the ignition switch ON.

2.

Check 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 terminals and meter control switch har-
ness connector terminals.

•

 (Illumination control) switch signal (+)

•

 (Illumination control) switch signal (–)

• Trip reset switch signal

•

 (select) switch signal

•

 (enter) switch is pressed

Terminals

Condition

Voltage

(Approx.)

Combination meter

(+)

(-)

Connector

Terminal

Connector

Terminal

M34

12

M34

10

When 

 (select) switch is pressed

0 V

Other than the above

5 V

11

When 

 (enter) switch is pressed

0 V

Other than the above

5 V

8

When trip reset switch is pressed

0 V

Other than the above

5 V

14

When 

 (illumination control) switch is pressed

0 V

Other than the above

5 V

13

When 

 (illumination control) switch is pressed

0 V

Other than the above

5 V

MWI

METER CONTROL SWITCH SIGNAL CIRCUIT

MWI-49

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

4.

Check continuity between combination meter harness connector terminals and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000005524881

1.

CHECK METER CONTROL SWITCH

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 the inspection result normal?

YES

>> INSPECTION END

Terminals

Continuity

Combination meter

Meter control switch

(+)

(-)

Connector

Terminal

Connector

Terminal

M34

8

M83

11

Existed

10

5

11

12

12

1

13

6

14

4

Terminals

Continuity

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

8

Not existed

10

11

12

13

14

Terminal No.

Operation and status

Continuity

1

5

Press the 

 (select) switch

Existed

Other than the above

Not existed

12

5

Press the 

 (enter) switch

Existed

Other than the above

Not existed

11

5

Press the trip reset switch.

Existed

Other than the above

Not existed

4

5

Press the 

 (illumination control) switch

Existed

Other than the above

Not existed

6

5

Press the 

 (illumination control) switch

Existed

Other than the above

Not existed