2010 NISSAN LATIO Service Repair Manual

bolt pattern heating lug pattern fuel reserve open bonnet roof rack

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NISSAN LATIO 2010 Service Repair Manual EC-336
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P0460 FUEL LEVEL SENSOR
P0460 FUEL LEVEL SENSOR
DescriptionINFOID:0000000005398488
The fuel level sensor is mounted in the fuel level sensor unit.
The sensor det

EC-336
< COMPONENT DIAGNOSIS >[HR16DE]
P0460 FUEL LEVEL SENSOR
P0460 FUEL LEVEL SENSOR
DescriptionINFOID:0000000005398488
The fuel level sensor 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 combina-
tion meter sends the fuel level sensor signal
to the ECM via the CAN communication line.
It consists of two parts, one is mechanical float and the ot her is variable resistor. Fuel level sensor output volt-
age changes depending on the movement of the fuel mechanical float.
DTC LogicINFOID:0000000005398489
DTC DETECTION LOGIC
NOTE:
• If DTC P0460 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
• If DTC P0460 is displayed with DTC P0607, first perform the trouble diagno sis for DTC P0607. Refer
to EC-351, "
DTC Logic".
When the vehicle is parked, naturally the fuel level in the fuel tank is stable. It means that output signal of the
fuel level sensor does not change. If ECM senses sloshi ng signal from the sensor, fuel level sensor malfunc-
tion is detected.
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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and wait maximum of 2 consecutive minutes.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-336, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000005398490
1.CHECK COMBINATION METER FUNCTION
Refer to DI-14, "
Trouble Diagnosis".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to DI-14, "
Trouble Diagnosis"
2.CHECK INTERMITTENT INCIDENT
Refer to EC-114, "
Diagnosis Procedure".
>> INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0460 Fuel level sensor circuit
noise Even though the vehicle is parked, a signal be-
ing varied is sent from the fuel level sensor 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
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual P0461 FUEL LEVEL SENSOREC-337
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P0461 FUEL LEVEL SENSOR
DescriptionINFOID:0000000005398491
The fuel level sensor is mounted in the fuel l

P0461 FUEL LEVEL SENSOREC-337
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P0461 FUEL LEVEL SENSOR
DescriptionINFOID:0000000005398491
The fuel level sensor is mounted in the fuel level sensor unit.
The sensor detects a fuel level in the fuel tank and tr
ansmits a signal to the combination meter. The combina-
tion meter sends the fuel level sensor signal to the ECM via the CAN communication line.
It consists of two parts, one is mechanical float and the ot her is variable resistor. Fuel level sensor output volt-
age changes depending on the movement of the fuel mechanical float.
DTC LogicINFOID:0000000005398492
DTC DETECTION LOGIC
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-351, "
DTC Logic".
Driving long distances naturally affect fuel gauge level.
This diagnosis detects the fuel gauge malfunction of the gauge not moving even after a long distance has
been driven.
DTC CONFIRMATION PROCEDURE
1.PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to EC-337, "
Component Function Check".
Use component function check to check the overall func tion of the fuel level sensor function. During this
check, a 1st trip DTC might not be confirmed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-338, "
Diagnosis Procedure".
Component Function CheckINFOID:0000000005398493
1.PRECONDITIONING
WARNING:
When performing following procedure, be sure to observe the handling of the fuel. Refer to GI-3, "
Gen-
eral Precaution".
TESTING CONDITION:
Before starting component function check, preparation of draining fuel and refi lling fuel is required.
Do you have CONSULT-III?
YES >> GO TO 2.
NO >> GO TO 3.
2.PERFORM COMPONENT FUNCTION CHECK
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.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0461 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
(The CAN communication line is open or
shorted)
• Harness or connectors
(The sensor circuit is open or shorted)
• Combination meter
• Fuel level sensor
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NISSAN LATIO 2010 Service Repair Manual EC-338
< COMPONENT DIAGNOSIS >[HR16DE]
P0461 FUEL LEVEL SENSOR
2. Release fuel pressure from fuel line, refer to
EC-496, "Inspection".
3. Remove the fuel feed hose on the fuel level sensor unit.
4. C

EC-338
< COMPONENT DIAGNOSIS >[HR16DE]
P0461 FUEL LEVEL SENSOR
2. Release fuel pressure from fuel line, refer to
EC-496, "Inspection".
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 “ACTIVE 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).
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 >> Go to EC-338, "
Diagnosis Procedure".
3.PERFORM COMPONENT FUNCTION CHECK
Without CONSULT-III
NOTE:
Start from step 8, if it is possibl e 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-496, "
Inspection".
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 >> Go to EC-338, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005398494
1.CHECK COMBINATION METER FUNCTION
Refer to DI-14, "
Trouble Diagnosis".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to DI-14, "
Trouble Diagnosis"
2.CHECK INTERMITTENT INCIDENT
Refer to EC-114, "
Diagnosis Procedure".
>> INSPECTION END
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual P0462, P0463 FUEL LEVEL SENSOR
EC-339
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P0462, P0463 FUEL LEVEL SENSOR
DescriptionINFOID:0000000005398495
The fuel level sensor is mounte

P0462, P0463 FUEL LEVEL SENSOR
EC-339
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P0462, P0463 FUEL LEVEL SENSOR
DescriptionINFOID:0000000005398495
The fuel level sensor is mounted in the fuel level sensor unit.
The sensor detects a fuel level in the fuel tank and tr
ansmits a signal to the combination meter. The combina-
tion meter sends the fuel level sensor signal to the ECM via the CAN communication line.
It consists of two parts, one is mechanical float and the ot her is variable resistor. Fuel level sensor output volt-
age changes depending on the movement of the fuel mechanical float.
DTC LogicINFOID:0000000005398496
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 EC-351, "
DTC Logic".
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 pr ocedure, 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 >> Go to EC-339, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000005398497
1.CHECK COMBINATION METER FUNCTION
Refer to DI-14, "
Trouble Diagnosis".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to DI-14, "
Trouble Diagnosis"
2.CHECK INTERMITTENT INCIDENT
Refer to EC-114, "
Diagnosis Procedure".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0462 Fuel level sensor circuit
low input An excessively low voltage from the sensor 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 level sensor circuit
high input An excessively high voltage from the sensor is
sent to ECM.
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NISSAN LATIO 2010 Service Repair Manual EC-340
< COMPONENT DIAGNOSIS >[HR16DE]
P0462, P0463 FUEL LEVEL SENSOR
>> INSPECTION END
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual P0500 VSSEC-341
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P0500 VSS
DescriptionINFOID:0000000005398498
The vehicle speed signal is sent to the combination meter from the “ABS

P0500 VSSEC-341
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P0500 VSS
DescriptionINFOID:0000000005398498
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 combinati
on meter then sends a signal to the ECM via the CAN
communication line.
DTC LogicINFOID:0000000005398499
DTC DETECTION LOGIC
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-351, "
DTC Logic".
DTC CONFIRMATION PROCEDURE
1.INSPECTION START
Do you have CONSULT-III?
Do you have CONSULT-III?
YES >> GO TO 2.
NO >> GO TO 5.
2.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.
>> GO TO 3.
3.CHECK VEHICLE SPEED SIGNAL
NOTE:
This procedure 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.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Go to EC-342, "
Diagnosis Procedure".
4.PERFORM DTC CONFIRMATION PROCEDURE
1. Select “DATA MONITOR” mode with CONSULT-III.
2. Warm engine up to normal operating temperature.
3. Maintain the following conditions for at least 50 consecutive seconds. CAUTION:
Always drive vehicle at a safe speed.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0500 Vehicle speed sensor The vehicle speed signal sent to ECM
is almost 0 km/h (0 MPH) even when
vehicle is being driven. • Harness or connectors
(The CAN communication line is open or shorted)
• Harness or connectors
(The vehicle speed signal circuit is open or shorted)
• Wheel sensor
• Combination meter
• ABS actuator and electric unit (control unit)
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual EC-342
< COMPONENT DIAGNOSIS >[HR16DE]
P0500 VSS
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-342, "Diagnosis Procedure".
NO >> INSPECTION END
5.PERFORM COMPONENT FUNCTION CHECK
Pe

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NISSAN LATIO 2010 Service Repair Manual P0506 ISC SYSTEMEC-343
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P0506 ISC SYSTEM
DescriptionINFOID:0000000005398502
The ECM controls the engine idle speed to a specified level

P0506 ISC SYSTEMEC-343
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P0506 ISC SYSTEM
DescriptionINFOID:0000000005398502
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 idli ng speed. The crankshaft position sensor (POS) detects
the actual engine speed and sends a signal to the ECM.
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.).
DTC LogicINFOID:0000000005398503
DTC DETECTION LOGIC
NOTE:
If DTC P0506 is displayed with ot her DTC, first perform the trouble diagnosis for the other DTC.
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.
If the target idle speed is ou t of the specified value, perform EC-26, "
IDLE AIR VOLUME LEARNING :
Special Repair Requirement", before conducting DTC Confirmation Procedure.
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).
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and run it for at least 1 minute at idle speed.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-343, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000005398504
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.
Is intake air leak detected?
YES >> Discover air leak location and repair.
NO >> GO TO 2.
2.REPLACE ECM
1. Stop engine.
2. Replace ECM.
DTC No. Trouble diagnosis name DTC detecting conditionPossible cause
P0506 Idle speed control system
RPM lower than expected The idle speed is less than the target idle
speed by 100 rpm or more. • Electric throttle control actuator
• Intake air leak
Revision: January 20102010 Versa

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