2008 NISSAN LATIO Service Repair Manual

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Page 1289 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0131 A/F SENSOR 1
EC-215
< SERVICE INFORMATION >
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Wiring DiagramINFOID:0000000001702716
Specification data are reference values and are measured between each termin

Page 1290 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-216
< SERVICE INFORMATION >
DTC P0131 A/F SENSOR 1
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground oth

Page 1291 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0131 A/F SENSOR 1
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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 1292 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-218
< SERVICE INFORMATION >
DTC P0131 A/F SENSOR 1
Removal and Installation
INFOID:0000000001702718
AIR FUEL RATIO SENSOR
Refer to EM-21.

Page 1293 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0132 A/F SENSOR 1
EC-219
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DTC P0132 A/F SENSOR 1
Component DescriptionINFOID:0000000001702719
The air fuel ratio (A/F) sensor 1 is a planar

DTC P0132 A/F SENSOR 1
EC-219
< SERVICE INFORMATION >
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DTC P0132 A/F SENSOR 1
Component DescriptionINFOID:0000000001702719
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:0000000001702720
Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000001702721
To judge the malfunction, the diagnosis checks that the A/F signal computed by ECM from the air fuel ratio (A/
F) sensor 1 signal is not inordinately high.
DTC Confirmation ProcedureINFOID:0000000001702722
NOTE:
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. Select “A/F SEN1 (B1)” in “DATA MONITOR” mode with CONSULT-II.
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 diagnosis
nameDTC detecting condition Possible Cause
P0132
0132Air fuel ratio (A/F) sen-
sor 1 circuit high volt-
ageThe A/F signal computed by ECM from the A/F
sensor 1 signal is constantly approx. 5V.• Harness or connectors
[Air fuel ratio (A/F) sensor circuit is open
or shorted.]
• Air fuel ratio (A/F) sensor 1

Page 1294 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-220
< SERVICE INFORMATION >
DTC P0132 A/F SENSOR 1
3. Check “A/F SEN1 (B1)” indication.
If the indication is constantly approx. 5V, go to EC-222, "
Diagno-
sis Procedure".
If the indic

Page 1295 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0132 A/F SENSOR 1
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Wiring DiagramINFOID:0000000001702723
Specification data are reference values and are measured between each termin

Page 1296 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-222
< SERVICE INFORMATION >
DTC P0132 A/F SENSOR 1
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground oth

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