Nissan X-Trail 32. Manual - part 1614

MWI-138

< DTC/CIRCUIT DIAGNOSIS >

FUEL LEVEL SENSOR SIGNAL CIRCUIT

2.

Check the resistance between fuel level sensor unit (sub).

*: When float rod is contact with stopper.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace fuel level sensor unit (sub). Refer to 

FL-40, "Removal and Installation"

.

R9M

R9M : Component Function Check

INFOID:0000000010785100

1.

PERFORM COMPONENT FUNCTION CHECK (1)

1.

Turn ignition switch OFF.

2.

Disconnect fuel level sensor unit and fuel pump connector.

3.

Connect variable resistor between harness connector terminals located on the vehicle side of the fuel
level sensor unit. 

4.

Set variable resistor according to the resistance value shown in the following table and turn ignition switch
ON.

*1: Reference resistance values used when the combination meter judges the indication position of the
fuel gauge.
*2: The inspection of 1/4 is not required.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Refer to 

MWI-139, "R9M : Diagnosis Procedure"

.

2.

PERFORM COMPONENT FUNCTION CHECK (2)

Check the fuel level sensor unit and fuel pump, and fuel level sensor unit (sub). Refer to 

MWI-140, "R9M :

Component Inspection [Fuel Level Sensor Unit (Main and Sub)]"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace malfunctioning parts.

Terminals

Condition

Resistance (

Ω

)

(Approx.)

Height [mm (in)]

Fuel level sensor unit 

(sub)

7

8

Full

*

 (A)

6

204.9 (8.07)

Empty

*

 (B)

141

16.8 (0.661)

JSNIA6747ZZ

Fuel level sensor unit

Connector

Terminals

B130

5

6

Resistance (

Ω

)

*1

(Approx.)

Fuel gauge indication position

Less than 93

Full

140

3/4

186

1/2

—

*2

1/4

255

1/8

More than 278

Empty

MWI

FUEL LEVEL SENSOR SIGNAL CIRCUIT

MWI-139

< DTC/CIRCUIT DIAGNOSIS >

C

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R9M : Diagnosis Procedure

INFOID:0000000010785101

1.

CHECK FUEL LEVEL SENSOR SIGNAL CIRCUIT (1)

1.

Turn ignition switch OFF.

2.

Disconnect combination meter harness connector and fuel pump control module harness connector.

3.

Check continuity between combination meter harness connector and fuel fuel pump control module har-
ness connector.

4.

Check continuity between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK FUEL LEVEL SENSOR GROUND CIRCUIT (1)

1.

Check continuity between combination meter harness connector and fuel fuel pump control module har-
ness connector.

2.

Check continuity between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK FUEL LEVEL SENSOR SIGNAL CIRCUIT (2)

1.

Disconnect fuel level sensor unit and fuel pump harness connector.

2.

Check continuity between fuel pump control module harness connector and fuel level sensor unit and fuel
pump harness connector.

3.

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

Combination meter

Fuel pump control module

Continuity

Connector

Terminal

Connector

Terminal

M42

51

B133

11

Existed

Combination meter

Ground

Continuity

Connector

Terminal

M42

51

Not existed

Combination meter

Fuel pump control module

Continuity

Connector

Terminal

Connector

Terminal

M42

44

B133

12

Existed

Combination meter

Ground

Continuity

Connector

Terminal

M42

44

Not existed

Fuel pump control module

Fuel level sensor unit and 

fuel pump

Continuity

Connector

Terminal

Connector

Terminal

B131

2

B130

5

Existed

Fuel pump control module

Ground

Continuity

Connector

Terminal

B131

2

Not existed

MWI-140

< DTC/CIRCUIT DIAGNOSIS >

FUEL LEVEL SENSOR SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK FUEL LEVEL SENSOR GROUND CIRCUIT (2)

1.

Check continuity between fuel pump control module harness connector and fuel level sensor unit and fuel
pump harness connector.

2.

Check continuity between fuel pump control module harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK FUEL PUMP CONTROL MODULE

Check fuel pump control module. Refer to 

MWI-141, "R9M : Component Inspection (Fuel Pump Control Mod-

ule)"

.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-151, "Removal and Installation"

.

NO

>> Replace fuel pump control module. Refer to 

EC-1231, "Removal and Installation"

.

R9M : Component Inspection [Fuel Level Sensor Unit (Main and Sub)]

INFOID:0000000010785102

1.

CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP

1.

Remove the fuel level sensor unit and fuel pump. Refer to 

FL-40, "Removal and Installation"

.

2.

Check the resistance between fuel level sensor unit and fuel
pump.

*: When float rod is contact with stopper.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Replace fuel level sensor unit and fuel pump. Refer to 

FL-40, "Removal and Installation"

.

2.

CHECK FUEL LEVEL SENSOR UNIT (SUB)

1.

Remove the fuel level sensor unit (sub). Refer to 

FL-40, "Removal and Installation"

.

Fuel pump control module

Fuel level sensor unit and 

fuel pump

Continuity

Connector

Terminal

Connector

Terminal

B131

1

B130

6

Existed

Fuel pump control module

Ground

Continuity

Connector

Terminal

B131

1

Not existed

Terminals

Condition

Resistance (

Ω

)

(Approx.)

Height [mm (in)]

Fuel level sensor unit and 

fuel pump

5

7

Full

*

 (A)

45

186.1 (7.33)

Empty

*

 (B)

141

20.5 (0.807)

6

8

—

0

—

JSNIA7299ZZ

MWI

FUEL LEVEL SENSOR SIGNAL CIRCUIT

MWI-141

< DTC/CIRCUIT DIAGNOSIS >

C

D

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F

G

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M

B

A

O

P

2.

Check the resistance between fuel level sensor unit (sub).

*: When float rod is contact with stopper.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace fuel level sensor unit (sub). Refer to 

FL-40, "Removal and Installation"

.

R9M : Component Inspection (Fuel Pump Control Module)

INFOID:0000000011051668

1.

CHECK FUEL PUMP CONTROL MODULE

1.

Remove the fuel pump control module. Refer to 

EC-1231, "Removal and Installation"

.

2.

Check the continuity between fuel pump control module.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace fuel pump control module. Refer to 

EC-1231, "Removal and Installation"

.

Terminals

Condition

Resistance (

Ω

)

(Approx.)

Height [mm (in)]

Fuel level sensor unit 

(sub)

7

8

Full

*

 (A)

6

204.9 (8.07)

Empty

*

 (B)

141

16.8 (0.661)

JSNIA6747ZZ

Fuel pump control module

Continuity

Terminal

11

2

Existed

12

1