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
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
D
E
F
G
H
I
J
K
L
M
B
A
O
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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-
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
E
F
G
H
I
J
K
L
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
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