Nissan Sentra. Manual — part 653
MWI-58
< DTC/CIRCUIT DIAGNOSIS >
FUEL LEVEL SENSOR SIGNAL CIRCUIT
FUEL LEVEL SENSOR SIGNAL CIRCUIT
Description
INFOID:0000000009758282
The fuel level sensor unit and fuel pump detects the approximate fuel level in the fuel tank and transmits the
fuel level signal to the combination meter.
Component Function Check
INFOID:0000000009758283
1.
COMBINATION METER INPUT SIGNAL
1. Select METER/M&A on CONSULT.
2. Using FUEL METER of DATA MONITOR, compare the value of DATA MONITOR with fuel gauge pointer
of combination meter.
Does the data monitor value approximately match the fuel gauge indication?
YES
>> Inspection End.
NO
>> Replace combination meter. Refer to
MWI-77, "Removal and Installation"
Diagnosis Procedure
INFOID:0000000009758284
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUEL LEVEL SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and fuel level sensor unit connector.
3. Check continuity between combination meter harness connector and fuel level sensor unit harness con-
nector.
4. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connector.
2.
CHECK FUEL LEVEL SENSOR GROUND CIRCUIT
1. Check continuity between fuel level sensor unit harness connector and combination meter harness con-
nector.
Fuel gauge pointer
Fuel tank volume [L]
(Approx.)
Full
47.2
3/4
38.4
1/2
26
1/4
13.9
Empty
0.0
Combination meter
Fuel level sensor unit
Continuity
Connector
Terminal
Connector
Terminal
M24
6
B48
2
Yes
Combination meter
Ground
Continuity
Connector
Terminal
M24
6
No
MWI
FUEL LEVEL SENSOR SIGNAL CIRCUIT
MWI-59
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
2. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
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. Refer to
FL-6, "Removal and Installation"
Component Inspection
INFOID:0000000009758285
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
Check the resistance between fuel level sensor unit and fuel pump.
*: When float rod is in contact with stopper.
Is inspection result OK?
YES
>> Inspection End.
NO
>> Replace fuel level sensor unit and fuel pump. Refer to
FL-6, "Removal and Installation"
.
Fuel level sensor unit
Combination meter
Continuity
Connector
Terminal
Connector
Terminal
B48
5
M24
24
Yes
Combination meter
Ground
Continuity
Connector
Terminal
M24
24
Yes
Terminals
Condition
Resistance (
Ω)
(Approx.)
Height [mm (in)]
Fuel level sensor unit
2
5
Full
*
(2)
51
151.0 (5.9)
Empty
*
(1)
278
13.8 (0.5)
LKIA0402E
MWI-60
< DTC/CIRCUIT DIAGNOSIS >
PARKING BRAKE SWITCH SIGNAL CIRCUIT
PARKING BRAKE SWITCH SIGNAL CIRCUIT
Component Function Check
INFOID:0000000009758286
1.
CHECK PARKING BRAKE SWITCH OPERATION
Check that brake warning lamp in combination meter turns ON/OFF when parking brake is actuated.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Proceed to diagnosis procedure. Refer to
.
Diagnosis Procedure
INFOID:0000000009758287
Regarding Wiring Diagram information, refer to
.
1.
CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Disconnect combination meter and parking brake switch connectors.
3. Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace as necessary.
2.
CHECK PARKING BRAKE SWITCH
Check parking brake switch. Refer to
MWI-61, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace parking brake switch. Refer to
.
3.
CHECK PARKING BRAKE SWITCH SIGNAL
With CONSULT.
1. Connect combination meter connector and parking brake switch connectors.
2. Turn ignition switch ON.
3. In “DATA MONITOR” select “PARK BRAKE SW” and check parking brake switch signal.
Is the inspection result normal?
YES
>> Refer to
NO
>> GO TO 4.
4.
CHECK PARKING BRAKE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter and parking brake switch connectors.
3. Check continuity between combination meter connector M24 terminal 10 and parking brake switch con-
nector M130 terminal 1.
4. Check continuity between combination meter connector and ground.
Condition
DATA MONITOR
Actuate parking brake
On
Release parking brake
Off
Combination meter
Parking brake switch
Continuity
Connector
Terminal
Connector
Terminal
M24
10
M130
1
Yes
MWI
PARKING BRAKE SWITCH SIGNAL CIRCUIT
MWI-61
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-77, "Removal and Installation"
NO
>> Repair or replace malfunctioning components.
Component Inspection
INFOID:0000000009758288
1.
CHECK PARKING BRAKE SWITCH
1. Turn ignition switch OFF.
2. Disconnect parking brake switch connector.
3. Check continuity between parking brake switch terminal 1 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace parking brake switch. Refer to
.
Combination meter
—
Continuity
Connector
Terminal
M24
10
Ground
No
Parking brake switch terminal
—
Condition
Continuity
1
Ground
Parking brake actuated
Yes
Parking brake released
No
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст