2010 NISSAN LATIO Service Repair Manual

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Page 1401 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-136
< COMPONENT DIAGNOSIS >[HR16DE]
P0037, P0038 HO2S2 HEATER
1. Turn ignition switch OFF.
2. Check ground connections E15, E24. Refer to
EC-119, "
Ground Inspection".
Is the inspection result nor

Page 1402 of 3745

NISSAN LATIO 2010 Service Repair Manual P0037, P0038 HO2S2 HEATEREC-137
< COMPONENT DIAGNOSIS > [HR16DE]
C
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EC
NP
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>> INSPECTION END
7.CHECK INTERMITTENT INCIDENT
Refer to EC-114, "
Diagnosis Procedure".
>> INSPECTION

Page 1403 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-138
< COMPONENT DIAGNOSIS >[HR16DE]
P0075 IVT CONTROL SOLENOID VALVE
P0075 IVT CONTROL SOLENOID VALVE
DescriptionINFOID:0000000005398313
Intake valve timing control solenoid valve is activated by O

Page 1404 of 3745

NISSAN LATIO 2010 Service Repair Manual P0075 IVT CONTROL SOLENOID VALVEEC-139
< COMPONENT DIAGNOSIS > [HR16DE]
C
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NP
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Wiring DiagramINFOID:0000000005398315
Diagnosis ProcedureINFOID:0000000005398316
1.CHECK INTAKE

Page 1405 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-140
< COMPONENT DIAGNOSIS >[HR16DE]
P0075 IVT CONTROL SOLENOID VALVE
4. Check the voltage between intake valve timing control solenoid
valve harness connector and ground.
Is the inspection result n

Page 1406 of 3745

NISSAN LATIO 2010 Service Repair Manual P0075 IVT CONTROL SOLENOID VALVEEC-141
< COMPONENT DIAGNOSIS > [HR16DE]
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3. Check resistance between intake valve timing control solenoid
valve terminals as per the foll

Page 1407 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-142
< COMPONENT DIAGNOSIS >[HR16DE]
P0101 MAF SENSOR
P0101 MAF SENSOR
DescriptionINFOID:0000000005398318
The mass air flow sensor (1) is placed in the stream of intake air. It
measures the intake f

EC-142
< COMPONENT DIAGNOSIS >[HR16DE]
P0101 MAF SENSOR
P0101 MAF SENSOR
DescriptionINFOID:0000000005398318
The mass air flow sensor (1) is placed in the stream of intake air. It
measures the intake flow rate by measuring a part of the entire
intake flow. The mass air flow sensor controls the temperature of the
hot wire to a certain amount. The heat generated by the hot wire is
reduced as the intake air flows around it. The more air, the greater
the heat loss.
Therefore, the electric current
supplied to hot wire is changed to
maintain the temperature of the hot wire as air flow increases. The
ECM detects the air flow by means of this current change.
DTC LogicINFOID:0000000005398319
DTC DETECTION LOGIC
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 engine will not start or stops soon, wait at leas t 10 seconds with engine stopped (Ignition switch ON) instead
of running engine at idle speed.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A
1. Start engine and warm it up to normal operating temperature.
2. Run engine for at least 10 seconds at idle speed.
3. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-145, "Diagnosis Procedure".
NO-1 >> With CONSULT-III: GO TO 3.
NO-2 >> Without CONSULT-III: GO TO 5.
3.CHECK MASS AIR FL OW SENSOR FUNCTION
1. Turn ignition switch ON.
2. Start engine and warm it up to normal operating temperature. If engine cannot be started, go to EC-145, "
Diagnosis Procedure".
PBIA9559J
DTC No. Trouble diagnosis name DTC detecting conditionPossible cause
P0101 Mass air flow sensor cir-
cuit range/performance A)
A high voltage from the sensor is sent to
ECM under light load driving condition. • Harness or connectors
(The sensor circuit is open or shorted.)
• Mass air flow sensor
• EVAP control system pressure sensor
B) A low voltage from the sensor is sent to
ECM under heavy load driving condition. • Harness or connectors
(The sensor circuit is open or shorted.)
• Intake air leaks
• Mass air flow sensor
• EVAP control system pressure sensor
• Intake air temperature sensor
Revision: January 20102010 Versa

Page 1408 of 3745

NISSAN LATIO 2010 Service Repair Manual P0101 MAF SENSOREC-143
< COMPONENT DIAGNOSIS > [HR16DE]
C
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EC
NP
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3. Select “DATA MONITOR” mode with CONSULT-III.
4. Check the voltage of “MAS A/F
SE-B1” with “DATA MO

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