2009 NISSAN LATIO Service Repair Manual

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Page 2521 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0075 IVT CONTROL SOLENOID VALVE
EC-1165
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
DTC P0075 IVT CONTROL SOLENOID VALVE
Component Description INFOID:0000000004499990
Intak

Page 2522 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1166< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0075 IVT CONTROL SOLENOID VALVE
Wiring Diagram INFOID:0000000004499994
Specification data are reference values and are measured between each terminal and

Page 2523 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0075 IVT CONTROL SOLENOID VALVE
EC-1167
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
Do not use ECM ground terminals wh
en measuring input/output voltage. Doing so may resul

Page 2524 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1168< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0075 IVT CONTROL SOLENOID VALVE
• Harness connectors E8, F8
• Harness for open or short between intake valv e timing control solenoid valve and IPDM

EC-1168< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0075 IVT CONTROL SOLENOID VALVE
• Harness connectors E8, F8
• Harness for open or short between intake valv e timing control solenoid valve and IPDM E/R
>> Repair or replace harness or connectors.
3. CHECK INTAKE VALVE TIMING CONTROL SOLEN OID VALVE OUTPUT SIGNAL CIRCUIT FOR OPENAND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 73 and intake valve timing control solenoid valve termi-
nal 2. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. 4.
CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE
Refer to EC-1168, " Component Inspection " .
OK or NG OK >> GO TO 5.
NG >> Replace intake valve timing control solenoid valve. 5.
CHECK INTERMITTENT INCIDENT
Refer to EC-1138 .
>> INSPECTION END
Component Inspection INFOID:0000000004501126
INTAKE VALVE TIMING CONTROL SOLENOID VALVE
1. Disconnect intake valve timing control solenoid valve harness connector.
2. Check resistance between intake valve timing control solenoid valve as follows.
If NG, replace intake valve timing control solenoid valve.
If OK, go to next step.
3. Remove intake valve timing control solenoid valve.
4. Provide 12V DC between intake valve timing control solenoid valve terminals and then interrupt it. Make sure that the plunger
moves as shown in the figure.
CAUTION:
Do not apply 12V DC continuo usly for 5 seconds or more.
Doing so may result in damage to the coil in intake valve
timing control solenoid valve.
If NG, replace intake valve timing control solenoid valve.
NOTE:
Always replace O-ring when intake valve timing control
solenoid valve is removed. Continuity should exist.
Terminal Resistance1 and 2 6.7 - 7.7 Ω [at 20 °C (68 °F)]
1 or 2 and ground ∞Ω
(Continuity should not exist.) PBIB0574E
PBIB2388E

Page 2525 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
NP
O
Removal and Installation
INFOID:0000000004501127
INTAKE VALVE TIMING CONTROL SOLENOID VALVE Refer to EM-161, " Removal and Installation " .

Page 2526 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1170< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0101 MAF SENSOR
DTC P0101 MAF SENSOR
Component Description INFOID:0000000004499998
The mass air flow sensor (1) is placed in the stream of in

EC-1170< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0101 MAF SENSOR
DTC P0101 MAF SENSOR
Component Description INFOID:0000000004499998
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.
CONSULT-III Reference Value in Data Monitor Mode INFOID:0000000004499999
Specification data are reference values.
On Board Diagn osis Logic INFOID:0000000004500000
DTC Confirmation Procedure INFOID:0000000004500001
Perform PROCEDURE FOR MALFUNCTION A first.
If the DTC cannot be confirmed, perform PROCEDURE FOR MALFUNCTION B.
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. PBIA9559J
MONITOR ITEM CONDITION SPECIFICATION
MAS A/F SE-B1 • See EC-1130 .
CAL/LD VALUE • Engine: After warming up
• Shift lever: P or N (A/T, CVT), Neutral (M/T)
• Air conditioner switch: OFF
• No load Idle 10% - 35%
2,500 rpm 10% - 35%
MASS AIRFLOW • Engine: After warming up
• Shift lever: P or N (A/T, CVT),
Neutral (M/T)
• Air conditioner switch: OFF
• No load Idle 1.0 - 4.0 g·m/s
2,500 rpm 4.0 - 10.0 g·m/s DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0101
0101 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
(Mass air flow sensor circuit is
open or shorted.)
• Mass air flow sensor
• EVAP control system pressure
sensor
• Intake air temperature sensor
B) A low voltage from the sensor is sent to ECM un-
der heavy load driving condition. • Harness or connectors
(Mass air flow sensor circuit is
open or shorted.)
• Intake air leaks
• Mass air flow sensor
• EVAP control system pressure sensor
• Intake air temperature sensor

Page 2527 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0101 MAF SENSOR
EC-1171
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
PROCEDURE FOR MALFUNCTION A
NOTE:
If engine will not start or stops soon, wait at leas t 10 seconds with

Page 2528 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1172< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0101 MAF SENSOR
1. Start engine and warm it up to normal operating temperature.
2. Select Service $01 with GST.
3. Check the mass air flow sensor signal

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