2009 NISSAN LATIO Service Repair Manual

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Page 2569 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0130 A/F SENSOR 1
EC-1213
< 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 result in dam-
age

Page 2570 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1214< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0130 A/F SENSOR 1
3. Check voltage between A/F sensor 1 terminal 4 and ground with CONSULT-III or tester.
OK or NG OK >> GO TO 4.
NG >> GO TO 3. 3.
DETEC

Page 2571 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
NP
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Removal and Installation
INFOID:0000000004501128
AIR FUEL RATIO SENSOR HEATER Refer to EM-144, " Removal and Installation " .

Page 2572 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1216< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0131 A/F SENSOR 1
DTC P0131 A/F SENSOR 1
Component Description INFOID:0000000004501132
The air fuel ratio (A/F) sensor 1 is a planar one-cell limit curre

EC-1216< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0131 A/F SENSOR 1
DTC P0131 A/F SENSOR 1
Component Description INFOID:0000000004501132
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-III Reference Value in Data Monitor Mode INFOID:0000000004501133
Specification data are reference values.
On Board Diagn osis Logic INFOID:0000000004500064
To judge the malfunction, the diagnosis c hecks that the A/F signal computed by ECM from the air fuel ratio (A/
F) sensor 1 signal is not inordinately low.
DTC Confirmation Procedure INFOID:0000000004500065
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.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11V at idle.
WITH CONSULT-III
1. Start engine and warm it up to normal operating temperature.
2. Select “A/F SEN1 (B1)” in “D ATA MONITOR” mode with CONSULT-III.
3. Check “A/F SEN1 (B1)” indication.
If the indication is constantly approx. 0V, go to EC-1219, " Diagnosis Procedure " . PBIB3353E
PBIB3354E
MONITOR ITEM CONDITION SPECIFICATION
A/F SEN1 (B1) • Engine: After warming up Maintaining engine speed at
2,000 rpm Fluctuates around 2.2VDTC No.
Trouble diagnosis
name DTC detecting condition Possible Cause
P0131
0131 Air fuel ratio (A/F) sen-
sor 1 circuit low voltage The A/F signal computed by ECM from the A/F
sensor 1 signal is constantly approx. 0V. • Harness or connectors
[Air fuel ratio (A/F) sensor circuit is open
or shorted.]
• Air fuel ratio (A/F) sensor 1

Page 2573 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
NP
O
If the indication is not constantly approx. 0V, go to next step.
4. Turn ignition switch OFF, wait at least 10 seconds and then restart engine.
5. Drive and accelerate vehicle to more than 40

Page 2574 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1218< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0131 A/F SENSOR 1
Wiring Diagram INFOID:0000000004501139
Specification data are reference values and are measured between each terminal and ground.
Pulse

Page 2575 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0131 A/F SENSOR 1
EC-1219
< 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 result in dam-
age

Page 2576 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1220< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0131 A/F SENSOR 1
3. Check voltage between A/F sensor 1 terminal 4 and ground with CONSULT-III or tester.
OK or NG OK >> GO TO 4.
NG >> GO TO 3. 3.
DETEC

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