2008 NISSAN LATIO Service Repair Manual

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Page 1297 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0132 A/F SENSOR 1
EC-223
< SERVICE INFORMATION >
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3. Check voltage between A/F sensor 1 terminal 4 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 4.
NG

Page 1298 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-224
< SERVICE INFORMATION >
DTC P0132 A/F SENSOR 1
Removal and Installation
INFOID:0000000001702725
AIR FUEL RATIO SENSOR
Refer to EM-21.

Page 1299 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0133 A/F SENSOR 1
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DTC P0133 A/F SENSOR 1
Component DescriptionINFOID:0000000001702726
The air fuel ratio (A/F) sensor 1 is a planar

DTC P0133 A/F SENSOR 1
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< SERVICE INFORMATION >
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DTC P0133 A/F SENSOR 1
Component DescriptionINFOID:0000000001702726
The air fuel ratio (A/F) sensor 1 is a planar one-cell limit current sen-
sor. The sensor element of the A/F sensor 1 is composed an elec-
trode layer, which transports ions. It has a heater in the element.
The sensor is capable of precise measurement = 1, but also in the
lean and rich range. Together with its control electronics, the sensor
outputs a clear, continuous signal throughout a wide range.
The exhaust gas components diffuse through the diffusion layer at
the sensor cell. An electrode layer is applied voltage, and this current
relative oxygen density in lean. Also this current relative hydrocar-
bon density in rich.
Therefore, the A/F sensor 1 is able to indicate air fuel ratio by this
electrode layer of current. In addition, a heater is integrated in the
sensor to ensure the required operating temperature of about 800°C
(1,472°F).
CONSULT-II Reference Value in Data Monitor ModeINFOID:0000000001702727
Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001702728
To judge the malfunction of air fuel ratio (A/F) sensor 1, this diagnosis measures response time of the A/F sig-
nal computed by ECM from the air fuel ratio (A/F) sensor 1 signal. The time is compensated by engine operat-
ing (speed and load), fuel feedback control constant, and the air fuel ratio (A/F) sensor 1 temperature index.
Judgment is based on whether the compensated time (the A/F sensor 1 signal cycling time index) is inordi-
nately long or not.
DTC Confirmation ProcedureINFOID:0000000001702729
NOTE:
PBIB3353E
PBIB3354E
MONITOR ITEM CONDITION SPECIFICATION
A/F SEN1 (B1) • Engine: After warming upMaintaining engine speed at
2,000 rpmFluctuates around 2.2V
DTC No.Trouble diag-
nosis nameDTC detecting condition Possible Cause
P0133
0133Air fuel ratio
(A/F) sensor 1
circuit slow re-
sponseThe response of the A/F signal computed by ECM from
A/F sensor 1 signal takes more than the specified time.• Harness or connectors
[Air fuel ratio (A/F) sensor circuit is open
or shorted.]
• Air fuel ratio (A/F) sensor 1
• Air fuel ratio (A/F) sensor heater 1
• Fuel pressure
• Fuel injector
• Intake air leaks
• Exhaust gas leaks
•PCV
• Mass air flow sensor

Page 1300 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-226
< SERVICE INFORMATION >
DTC P0133 A/F SENSOR 1
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the ne

EC-226
< SERVICE INFORMATION >
DTC P0133 A/F SENSOR 1
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 voltage is more than 11V at idle.
WITH CONSULT-II
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 keep the engine speed between 3,500 and 4,000 rpm for at least 1minute under no load.
4. Let engine idle for 1 minute.
5. Select “A/F SEN1(B1) P1278/P1279” of “A/F SEN1” in “DTC WORK SUPPORT” mode with CONSULT-II.
6. Touch “START”.
If “COMPLETED” appears on CONSULT-II screen, go to step
10.
If “COMPLETED” does not appear on CONSULT-II screen, go to
the following step.
7. After perform the following procedure, “TESTING” will be dis-
played on the CONSULT-II screen.
a. Increase the engine speed up to 4,000 to 5,000 rpm and keep it
for 10 seconds.
b. Fully release accelerator pedal and then let engine idle for about
10 seconds.
If “TESTING” is not displayed after 10 seconds, refer to EC-
127.
8. Wait for about 20 seconds at idle at under the condition that
“TESTING” is displayed on the CONSULT-II screen.
9. Make sure that “TESTING” changes to “COMPLETED”.
If “TESTING” changed to “OUT OF CONDITION”, refer to
EC-127
.
10. Make sure that “OK” is displayed after touching “SELF-DIAG
RESULT”.
If “NG” is displayed, go to EC-229, "
Diagnosis Procedure".
WITH GST
1. Start engine and warm it up to normal operating temperature.
2. Select Service $01 with GST.
3. Calculate the total value of “Short term fuel trim” and “Long term fuel trim” indications.
Make sure that the total percentage should be within ±15%.
If OK, go to the following step.
If NG, check the following.
• Intake air leaks
• Exhaust gas leaks
• Incorrect fuel pressure
PBIB0756E
PBIB1925E
PBIB0758E

Page 1301 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0133 A/F SENSOR 1
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< SERVICE INFORMATION >
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• Lack of fuel
• Fuel injector
• Incorrect PCV hose connection
• PCV valve
• Mass air flow sensor
4. Tur

Page 1302 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-228
< SERVICE INFORMATION >
DTC P0133 A/F SENSOR 1
Wiring Diagram
INFOID:0000000001702730
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is

Page 1303 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0133 A/F SENSOR 1
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< SERVICE INFORMATION >
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Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM

Page 1304 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-230
< SERVICE INFORMATION >
DTC P0133 A/F SENSOR 1
3.CHECK EXHAUST GAS LEAK
1. Start engine and run it at idle.
2. Listen for an exhaust gas leak before three way catalyst (manifold).
OK or NG
OK >

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