Nissan Sentra. Manual — part 408
EC-328
< DTC/CIRCUIT DIAGNOSIS >
[MRA8DE]
P0461 FUEL LEVEL SENSOR
9. Touch “ON” and drain fuel approximately 30 (7-7/8 US gal, 6-5/8 Imp gal) and stop it.
10. Check “FUEL LEVEL SE” output voltage and note it.
11. Fill fuel into the fuel tank for 30 (7-7/8 US gal, 6-5/8 Imp gal).
12. Check “FUEL LEVEL SE” output voltage and note it.
13. Confirm whether the voltage changes more than 0.03 V during step 7 to 10 and 10 to 12.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
.
3.
PERFORM COMPONENT FUNCTION CHECK
Without CONSULT
NOTE:
Start from step 8, if it is possible to confirm that the fuel cannot be drained by 30 (7-7/8 US gal, 6-5/8
Imp gal) in advance.
1. Prepare a fuel container and a spare hose.
2. Release fuel pressure from fuel line. Refer to
.
3. Remove the fuel feed hose on the fuel level sensor unit.
4. Connect a spare fuel hose where the fuel feed hose was removed.
5. Turn ignition switch ON.
6. Drain fuel by 30 (7-7/8 US gal, 6-5/8 Imp gal) from the fuel tank using proper equipment.
7. Confirm that the fuel gauge indication varies.
8. Fill fuel into the fuel tank for 30 (7-7/8 US gal, 6-5/8 Imp gal).
9. Confirm that the fuel gauge indication varies.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
.
Diagnosis Procedure
INFOID:0000000009758564
1.
CHECK COMBINATION METER FUNCTION
MWI-17, "CONSULT Function (METER/M&A)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> Refer to
P0462, P0463 FUEL LEVEL SENSOR
EC-329
< DTC/CIRCUIT DIAGNOSIS >
[MRA8DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0462, P0463 FUEL LEVEL SENSOR
DTC Logic
INFOID:0000000009758565
DTC DETECTION LOGIC
NOTE:
• If DTC P0462 or P0463 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC
UXXXX.
• If DTC P0462 or P0463 is displayed with DTC P0607, first perform the trouble diagnosis for DTC
P0607. Refer to
.
This diagnosis indicates the former, to detect open or short circuit malfunction.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is between 11 V and 16 V at
ignition switch ON.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 5 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009758566
1.
CHECK COMBINATION METER FUNCTION
MWI-17, "CONSULT Function (METER/M&A)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> Proceed to
MWI-58, "Component Function Check"
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0462
FUEL LEVL SEN/CIRC
(Fuel level sensor
″A″ circuit low)
An excessively low voltage from the sen-
sor is sent to ECM.
• Harness or connectors
(The CAN communication line is open
or shorted)
• Harness or connectors
(The sensor circuit is open or shorted)
• Combination meter
• Fuel level sensor
P0463
FUEL LEVL SEN/CIRC
(Fuel level sensor
″A″ circuit high)
An excessively high voltage from the sen-
sor is sent to ECM.
EC-330
< DTC/CIRCUIT DIAGNOSIS >
[MRA8DE]
P0500 VSS
P0500 VSS
EXCEPT FOR M/T MODELS
EXCEPT FOR M/T MODELS : Description
INFOID:0000000009758567
ECM receives vehicle speed signals from two different paths via CAN communication line: One is from the
ABS actuator and electric unit (control unit) via the combination unit and the other is from TCM.
EXCEPT FOR M/T MODELS : DTC Logic
INFOID:0000000009758568
DTC DETECTION LOGIC
NOTE:
• If DTC P0500 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
• If DTC P0500 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine.
2. Shift the selector lever to D range and wait at least for 2 seconds.
3. Drive the vehicle at least 10 seconds at 20 km/h (13 MPH) or more.
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a
road test is expected to be easier, it is unnecessary to lift the vehicle.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
EC-330, "EXCEPT FOR M/T MODELS : Diagnosis Procedure"
NO
>> INSPECTION END
EXCEPT FOR M/T MODELS : Diagnosis Procedure
INFOID:0000000009758569
1.
CHECK DTC WITH TCM
Check DTC with TCM. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0500
VEHICLE SPEED SEN A
(Vehicle speed sensor “A”)
At 20 km/h (13 MPH), ECM detects the fol-
lowing status continuously for 5 seconds or
more: The difference between a vehicle
speed calculated by a output speed sensor
transmitted from TCM to ECM via CAN com-
munication and the vehicle speed indicated
on the combination meter exceeds 15km/h
(10 MPH).
• Harness or connector
(CAN communication line is open or
shorted.)
• Combination meter
• ABS actuator and electric unit (control
unit)
• Wheel sensor
• TCM
• Output speed sensor
P0500 VSS
EC-331
< DTC/CIRCUIT DIAGNOSIS >
[MRA8DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
NO
>> Perform trouble shooting relevant to DTC indicated. Refer to
2.
CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check DTC with ABS actuator and electric unit (control unit). Refer to
BRC-31, "CONSULT Function (ABS)"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Perform trouble shooting relevant to DTC indicated. Refer to
.
3.
CHECK DTC WITH COMBINATION METER
Check DTC with combination meter. Refer to
MWI-17, "CONSULT Function (METER/M&A)"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Perform trouble shooting relevant to DTC indicated. Refer to
.
4.
CHECK OUTPUT SPEED SENSOR
Check output speed sensor. Refer to
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace or replace error-detected parts.
5.
CHECK WHEEL SENSOR
Check wheel sensor. Refer to
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
NO
>> Replace or replace error-detected parts.
M/T MODELS
M/T MODELS : Description
INFOID:0000000009758570
The vehicle speed signal is sent to the combination meter from the “ABS actuator and electric unit (control
unit)” via the CAN communication line. The combination meter then sends a signal to the ECM via the CAN
communication line.
M/T MODELS : DTC Logic
INFOID:0000000009758571
DTC DETECTION LOGIC
NOTE:
• If DTC P0500 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
• If DTC P0500 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer
.
DTC CONFIRMATION PROCEDURE
1.
INSPECTION START
Do you have CONSULT?
Do you have CONSULT?
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0500
VEHICLE SPEED SEN A
(Vehicle speed sensor “A”)
The vehicle speed signal sent to ECM is al-
most 0 km/h (0 MPH) even when vehicle is
being driven.
• Harness or connectors
(CAN communication line is open or
shorted)
• Harness or connectors
(Vehicle speed signal circuit is open or
shorted)
• Wheel sensor
• Combination meter
• ABS actuator and electric unit (control
unit)
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