2011 NISSAN TIIDA Service Repair Manual

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Page 2177 of 3787

NISSAN TIIDA 2011 Service Repair Manual DTC P0461 FUEL LEVEL SENSOREC-883
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DTC P0461 FUEL LEVEL SENSOR
Component DescriptionINFOID:0000000006342049
The fuel level sensor (3) is

DTC P0461 FUEL LEVEL SENSOREC-883
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DTC P0461 FUEL LEVEL SENSOR
Component DescriptionINFOID:0000000006342049
The fuel level sensor (3) is mounted
in the fuel level sensor unit. The
sensor detects a fuel level in the fuel tank and transmits a signal to
the combination meter. The combination meter sends the fuel level
sensor signal to the ECM through CAN communication line.
It consists of two parts, one is mechanical float and the other is vari-
able resistor. Fuel level sensor output voltage changes depending on
the movement of the fuel mechanical float.
• Fuel level sensor unit and fuel pump (1)
• Fuel pressure regulator (2)
• Fuel tank temperature sensor (4)
On Board Diagnosis LogicINFOID:0000000006342050
NOTE:
• If DTC P0461 is displayed with DTC UXXXX, first perform the tr ouble diagnosis for DTC UXXXX.
• If DTC P0461 is displayed with DT C P0607, first perform the trouble diagnosis for DTC P0607. Refer
to EC-897
.
This diagnosis detects the fuel gauge malfunction of the gauge not moving even after a long distance has
been driven.Driving long distances naturally affect fuel gauge level.
Overall Function CheckINFOID:0000000006342051
Use this procedure to check the overall function of the fuel level sensor function. During this check, a 1st trip
DTC might not be confirmed.
WARNING:
When performing following procedure, be sure to observe the handling of the fuel.
Refer to GI-3, "
General Precaution".
TESTING CONDITION:
Before starting overall function check, preparation of draining fuel and refilling fuel is required.
WITH CONSULT-III
NOTE:
Start from step 10, 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 EC-582, "
Fuel Pressure Check".
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 OFF and wait at least 10 seconds then turn ON.
6. Select “FUEL LEVEL SE” in “DAT A MONITOR” mode with CONSULT-III.
7. Check “FUEL LEVEL SE” output voltage and note it.
8. Select “FUEL PUMP RELAY” in “A CTIVE TEST” mode with CONSULT-III.
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).
BBIA0704E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0461
0461 Fuel level sensor circuit
range/performance The output signal of the fuel level sensor does
not change within the specified range even
though the vehicle has been driven a long dis-
tance. • Harness or connectors
(CAN communication line is open or
shorted)
• Harness or connectors (Fuel level sensor circuit is open or short-
ed)
• Combination meter
• Fuel level sensor
Revision: May 2010 2011 Versa

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NISSAN TIIDA 2011 Service Repair Manual EC-884
< SERVICE INFORMATION >[MR18DE]
DTC P0461 FUEL LEVEL SENSOR
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 1

Page 2179 of 3787

NISSAN TIIDA 2011 Service Repair Manual DTC P0462, P0463 FUEL LEVEL SENSOREC-885
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DTC P0462, P0463 FUEL LEVEL SENSOR
Component DescriptionINFOID:0000000006342054
The fuel level

DTC P0462, P0463 FUEL LEVEL SENSOREC-885
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DTC P0462, P0463 FUEL LEVEL SENSOR
Component DescriptionINFOID:0000000006342054
The fuel level sensor (3) is mounted
in the fuel level sensor unit. The
sensor detects a fuel level in the fuel tank and transmits a signal to
the combination meter. The combination meter sends the fuel level
sensor signal to the ECM through CAN communication line.
It consists of two parts, one is mechanical float and the other is vari-
able resistor. Fuel level sensor output voltage changes depending on
the movement of the fuel mechanical float.
• Fuel level sensor unit and fuel pump (1)
• Fuel pressure regulator (2)
• Fuel tank temperature sensor (4)
On Board Diagnosis LogicINFOID:0000000006342055
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 EC-897
.
DTC Confirmation ProcedureINFOID:0000000006342056
NOTE:
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 voltag e is more than 11 V at ignition
switch ON.
1. Turn ignition switch ON and wait at least 5 seconds.
2. Check 1st trip DTC.
3. If 1st trip DTC is detected, go to EC-885, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006342057
1.CHECK FUEL GAUGE OPERATION
Refer to DI-11, "
Self-Diagnosis Mode of Combination Meter".
OK or NG
OK >> GO TO 2.
NG >> Follow the instruction of DI-11, "
Self-Diagnosis Mode of Combination Meter".
2.CHECK FUEL LEVEL SENSOR AND CIRCUIT
Refer to DI-17, "
Fuel Level Sensor Signal Inspection".
OK or NG
OK >> GO TO 3.
NG >> Repair or replace malfunctioning parts.
BBIA0704E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0462
0462 Fuel level sensor circuit
low input An excessively low voltage from the sensor is
sent to ECM. • Harness or connectors
(CAN communication line is open or
shorted)
• Harness or connectors
(Fuel level sensor circuit is open or short-
ed)
• Combination meter
• Fuel level sensor
P0463
0463
Fuel level sensor circuit
high input An excessively high voltage from the sensor is
sent to ECM.
Revision: May 2010
2011 Versa

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NISSAN TIIDA 2011 Service Repair Manual EC-886
< SERVICE INFORMATION >[MR18DE]
DTC P0462, P0463
FUEL LEVEL SENSOR
3.CHECK INTERMITTENT INCIDENT
Refer to EC-632
.
>> INSPECTION END
Removal and InstallationINFOID:0000000006342058
FUEL LEVEL

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NISSAN TIIDA 2011 Service Repair Manual DTC P0500 VSSEC-887
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DTC P0500 VSS
DescriptionINFOID:0000000006342059
NOTE:
•
If DTC P0500 is displayed with DTC UXXXX, first perform

DTC P0500 VSSEC-887
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DTC P0500 VSS
DescriptionINFOID:0000000006342059
NOTE:
•
If DTC P0500 is displayed with DTC UXXXX, first perform the tr ouble diagnosis for DTC UXXXX.
• If DTC P0500 is displayed with DT C P0607, first perform the trouble diagnosis for DTC P0607. Refer
to EC-897
.
The vehicle speed signal is sent from “ABS actuator and electric unit (control unit)” or combination meter
through CAN communication line
On Board Diagnosis LogicINFOID:0000000006342060
FA I L - S A F E M O D E
When the malfunction is detect ed, ECM enters fail-safe mode.
DTC Confirmation ProcedureINFOID:0000000006342061
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
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:
Steps 1 and 2 may be conducted with the drive wheels li fted in the shop or by driving the vehicle. If a
road test is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-III
1. Start engine.
2. Read “VHCL SPEED SE” in “DATA MONITOR” m ode with CONSULT-III. The vehicle speed on CON-
SULT-III should exceed 10 km/h (6 MPH) when rotating wheels with suitable gear position.
If NG, go to EC-888, "
Diagnosis Procedure".
If OK, go to following step.
3. Select “DATA MONITOR” mode with CONSULT-III.
4. Warm engine up to normal operating temperature.
5. Maintain the following conditions for at least 60 consecutive seconds.
6. Check 1st trip DTC.
7. If 1st trip DTC is detected, go to EC-888, "
Diagnosis Procedure".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0500
0500 Vehicle speed sensor The vehicle speed signal sent to ECM is
almost 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)
• ABS actuator and electric unit (control unit)
• Combination meter
Detected item Engine operating condition in fail-safe mode
Vehicle speed sensor The cooling fan operates (High) while engine is running.
ENG SPEEDMore than 1,600 rpm
COOLAN TEMP/S More than 70° C (158°F)
B/FUEL SCHDL 5.5 - 31.8 msec
Shift lever Suitable position
PW/ST SIGNAL OFF
Revision: May 2010 2011 Versa

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NISSAN TIIDA 2011 Service Repair Manual EC-888
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DTC P0500 VSS
Overall Function Check
INFOID:0000000006342062
Use this procedure to check the overall function of the vehicle speed signal circuit. During this ch

Page 2183 of 3787

NISSAN TIIDA 2011 Service Repair Manual DTC P0506 ISC SYSTEMEC-889
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DTC P0506 ISC SYSTEM
DescriptionINFOID:0000000006342064
NOTE:
If DTC P0506 is displayed with ot
her DTC, fir

DTC P0506 ISC SYSTEMEC-889
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DTC P0506 ISC SYSTEM
DescriptionINFOID:0000000006342064
NOTE:
If DTC P0506 is displayed with ot
her DTC, first perform the trouble diagnosis for the other DTC.
The ECM controls the engine idle speed to a specified level through the fine adjustment of the air, which is let
into the intake manifold, by operating the electric thrott le control actuator. The operating of the throttle valve is
varied to allow for optimum control of the engine id ling speed. The ECM calculates the actual engine speed
from signals of crankshaft position sensor (POS) and camshaft position sensor (PHASE).
The ECM controls the electric throttle control actuator so that the engine speed coincides with the target value
memorized in the ECM. The target engine speed is the lowest speed at which the engine can operate steadily.
The optimum value stored in the ECM is determined by taking into consideration various engine conditions,
such as during warming up, deceleration, and engine load (air conditioner, power steering and cooling fan
operation, etc.).
On Board Diagnosis LogicINFOID:0000000006342065
DTC Confirmation ProcedureINFOID:0000000006342066
NOTE:
• If DTC Confirmation Procedure has been previously conduc ted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
• If the target idle speed is ou t of the specified value, perform EC-580, "
Idle Air Volume Learning",
before conducting DTC Confirmation Procedure. For the target idle speed, refer to the EC-1035
.
TESTING CONDITION:
• Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
• Always perform the test at a temperature above −10° C (14° F).
1. Open engine hood.
2. Start engine and warm it up to normal operating temperature.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Start engine and run it for at least 1 minute at idle speed.
5. Check 1st trip DTC.
6. If 1st trip DTC is detected, go to EC-889, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006342067
1.CHECK INTAKE AIR LEAK
1. Start engine and let it idle.
2. Listen for an intake air leak after the mass air flow sensor.
OK or NG
OK >> GO TO 2.
NG >> Discover air leak location and repair.
2.REPLACE ECM
1. Stop engine.
2. Replace ECM.
3. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs.
Refer to BL-247, "
ECM Re-communicating Function".
4. Perform EC-580, "
VIN Registration".
5. Perform EC-580, "
Accelerator Pedal Released Position Learning".
6. Perform EC-580, "
Throttle Valve Closed Position Learning".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0506
0506 Idle speed control sys-
tem RPM lower than ex-
pected The idle speed is less than the target idle speed
by 100 rpm or more.
• Electric throttle control actuator
• Intake air leak
Revision: May 2010
2011 Versa

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NISSAN TIIDA 2011 Service Repair Manual EC-890
< SERVICE INFORMATION >[MR18DE]
DTC P0506 ISC SYSTEM
7. Perform
EC-580, "Idle Air Volume Learning".
>> INSPECTION END
Revision: May 2010 2011 Versa

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