2011 NISSAN LATIO Service Repair Manual

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Page 1457 of 3787

NISSAN LATIO 2011 Service Repair Manual P0102, P0103 MAF SENSOREC-163
< COMPONENT DIAGNOSIS > [HR16DE]
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4. Connect CONSULT-III and select “DATA MONITOR” mode.
5. Select “MAS A/F SE-B1” and check indica

Page 1458 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-164
< COMPONENT DIAGNOSIS >[HR16DE]
P0112, P0113 IAT SENSOR
P0112, P0113 IAT SENSOR
DescriptionINFOID:0000000005929844
The intake air temperature sensor
is built-into mass air flow sensor
(1). The

Page 1459 of 3787

NISSAN LATIO 2011 Service Repair Manual P0112, P0113 IAT SENSOREC-165
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Wiring DiagramINFOID:0000000005929846
Diagnosis ProcedureINFOID:0000000005929847
1.CHECK GROUND CONNECTIO

Page 1460 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-166
< COMPONENT DIAGNOSIS >[HR16DE]
P0112, P0113 IAT SENSOR
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK INTAKE AIR TEMPERATURE
SENSOR POWER SUPPLY CIRCUIT
1. Disconnect mass

Page 1461 of 3787

NISSAN LATIO 2011 Service Repair Manual P0112, P0113 IAT SENSOREC-167
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NO >> Replace mass air flow sensor (with intake air temperature sensor). Refer to
EM-25, "Exploded
View"

Page 1462 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-168
< COMPONENT DIAGNOSIS >[HR16DE]
P0116 ECT SENSOR
P0116 ECT SENSOR
DescriptionINFOID:0000000005929849
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The

EC-168
< COMPONENT DIAGNOSIS >[HR16DE]
P0116 ECT SENSOR
P0116 ECT SENSOR
DescriptionINFOID:0000000005929849
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The sensor modifies a voltage signal from the
ECM. The modified signal returns to the ECM as the engine coolant
temperature input. The sensor uses
a thermistor which is sensitive to
the change in temperature. The elec trical resistance of the ther-
mistor decreases as temperature increases.

*: These data are reference values and are measured between ECM terminal 38
(Engine coolant temperature sensor) and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output volt age. Doing so may result in damage to the ECM's transis-
tor. Use a ground other than ECM terminals, such as the ground.
DTC LogicINFOID:0000000005929850
DTC DETECTION LOGIC
NOTE:
If DTC P0116 is displayed with P0117 or P0118, first perform the trouble diagnosis for DTC P0117,
P0118. Refer to EC-170, "
DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and warm it up to normal operating temperature.
2. Rev engine up to 2,000 rpm for more than 10 minutes.
3. Move the vehicle to a cool place, then stop engine and turn ignition switch OFF.
4. Check resistance between “fuel level sensor unit and fuel pump” terminals 4 and 5.
SEF594K
Engine coolant temperature [° C ( °F)] Voltage* (V)
Resistance (kΩ)
–10 (14) 4.47.0 - 11.4
20 (68) 3.52.37 - 2.63
50 (122) 2.20.68 - 1.00
90 (194) 0.90.236 - 0.260
SEF012P
DTC No. Trouble diagnosis name DTC detecting conditionPossible cause
P0116 Engine coolant temperature
sensor circuit range/perfor-
mance Engine coolant temperature signal from engine
coolant temperature sensor does not fluctuate,
even when some time has passed after starting
the engine with pre-warming up condition. • Harness or connectors
(High or low resistance in the circuit)
• Engine coolant temperature sensor
Revision: May 2010 2011 Versa

Page 1463 of 3787

NISSAN LATIO 2011 Service Repair Manual P0116 ECT SENSOREC-169
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5. Soak the vehicle until the resistance between “fuel
level sensor unit and fuel pump” terminals 4 and 5
b

Page 1464 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-170
< COMPONENT DIAGNOSIS >[HR16DE]
P0117, P0118 ECT SENSOR
P0117, P0118 ECT SENSOR
DescriptionINFOID:0000000006141200
The engine coolant temperature sensor is used to detect the engine
coolant tem

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