2007 NISSAN LATIO Service Repair Manual

window technical specifications child restraint fold seats warning inflation pressure

Page 1329 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-160Revision: June 2006
DTC P0011 IVT CONTROL
2007 Versa
Component InspectionUBS00QCB
INTAKE VALVE TIMING CONTROL SOLENOID VALVE
1. Disconnect intake valve timing control solenoid valve harness conn

Page 1330 of 2896

NISSAN LATIO 2007 Service Repair Manual DTC P0031, P0032 A/F SENSOR 1 HEATER
EC-161
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Revision: June 20062007 Versa
DTC P0031, P0032 A/F SENSOR 1 HEATERPFP:22693
DescriptionUBS00QCD
SYSTEM DESCRIPTION
The ECM perform

DTC P0031, P0032 A/F SENSOR 1 HEATER
EC-161
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Revision: June 20062007 Versa
DTC P0031, P0032 A/F SENSOR 1 HEATERPFP:22693
DescriptionUBS00QCD
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding to the engine operating
condition to keep the temperature of A/F sensor 1 element at the specified range.
CONSULT-II Reference Value in Data Monitor ModeUBS00QCE
Specification data are reference values.
On Board Diagnosis LogicUBS00QCF
DTC Confirmation ProcedureUBS00QCG
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 between 10.5V and 16V at
idle.
With CONSULT-II
WITH CONSULT-II
1. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
2. Start engine and run it for at least 10 seconds at idle speed.
3. If 1st trip DTC is detected, go to EC-163, "
Diagnostic Procedure"
.
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Sensor Input Signal to ECMECM
functionActuator
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)Engine speed
Air fuel ratio (A/F) sensor 1
heater controlAir fuel ratio (A/F) sensor 1
heater
Mass air flow sensor Amount of intake air
MONITOR ITEM CONDITION SPECIFICATION
A/F S1 HTR (B1)
Engine: After warming up, idle the engine 4 - 100%
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P0031
0031Air fuel ratio (A/F)
sensor 1 heater
control circuit lowThe current amperage in the air fuel ratio (A/F)
sensor 1 heater circuit is out of the normal range.
[An excessively low voltage signal is sent to ECM
through the air fuel ratio (A/F) sensor 1 heater.]
Harness or connectors
[Air fuel ratio (A/F) sensor 1 heater circuit is
open or shorted.]
Air fuel ratio (A/F) sensor 1 heater
P0032
0032Air fuel ratio (A/F)
sensor 1 heater
control circuit highThe current amperage in the air fuel ratio (A/F)
sensor 1 heater circuit is out of the normal range.
[An excessively high voltage signal is sent to
ECM through the air fuel ratio (A/F) sensor 1
heater.]
Harness or connectors
[Air fuel ratio (A/F) sensor 1 heater circuit is
shorted.]
Air fuel ratio (A/F) sensor 1 heater
SEF 0 58 Y

Page 1331 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-162Revision: June 2006
DTC P0031, P0032 A/F SENSOR 1 HEATER
2007 Versa
Wiring DiagramUBS00QCH
BBWA2630E

Page 1332 of 2896

NISSAN LATIO 2007 Service Repair Manual DTC P0031, P0032 A/F SENSOR 1 HEATER
EC-163
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Specification data are reference values and are measured between each terminal and ground.
Pulse sig

Page 1333 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-164Revision: June 2006
DTC P0031, P0032 A/F SENSOR 1 HEATER
2007 Versa
2. CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect air fuel ratio (A/F) sensor 1 harness connector (1).

Page 1334 of 2896

NISSAN LATIO 2007 Service Repair Manual DTC P0031, P0032 A/F SENSOR 1 HEATER
EC-165
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Revision: June 20062007 Versa
6. CHECK INTERMITTENT INCIDENT
Perform EC-143, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>IN

Page 1335 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-166Revision: June 2006
DTC P0037, P0038 HO2S2 HEATER
2007 Versa
DTC P0037, P0038 HO2S2 HEATERPFP:226A0
DescriptionUBS00QCL
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen se

EC-166Revision: June 2006
DTC P0037, P0038 HO2S2 HEATER
2007 Versa
DTC P0037, P0038 HO2S2 HEATERPFP:226A0
DescriptionUBS00QCL
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 2 heater corresponding to the engine speed,
amount of intake air and engine coolant temperature.
OPERATION
CONSULT-II Reference Value in Data Monitor ModeUBS00QCM
Specification data are reference values.
On Board Diagnosis LogicUBS00QCN
Sensor Input Signal to ECM ECM Function Actuator
Camshaft position sensor (PHASE)
Engine speed
Heated oxygen sensor 2
heater controlHeated oxygen sensor 2 heater Crankshaft position sensor (POS)
Engine coolant temperature sensorEngine coolant tempera-
ture
Mass air flow sensor Amount of intake air
Engine speed rpm Heated oxygen sensor 2 heater
Above 3,600OFF
Below 3,600 rpm after the following conditions are met.
–Engine: After warming up
–Keeping the engine speed between 3,500 and 4,000 rpm for 1
minute and at idle for 1 minute under no loadON
MONITOR ITEM CONDITION SPECIFICATION
HO2S2 HTR (B1)
Engine speed: Below 3,600 rpm after the following conditions are met
–Engine: After warming up
–Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute
and at idle for 1 minute under no load.ON
Engine speed: Above 3,600 rpm OFF
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P0037
0037Heated oxygen
sensor 2 heater
control circuit lowThe current amperage in the heated oxygen sensor
2 heater circuit is out of the normal range.
(An excessively low voltage signal is sent to ECM
through the heated oxygen sensor 2 heater.)
Harness or connectors
(Heated oxygen sensor 2 heater circuit is
open or shorted.)
Heated oxygen sensor 2 heater
P0038
0038Heated oxygen
sensor 2 heater
control circuit highThe current amperage in the heated oxygen sensor
2 heater circuit is out of the normal range.
(An excessively high voltage signal is sent to ECM
through the heated oxygen sensor 2 heater.)
Harness or connectors
(Heated oxygen sensor 2 heater circuit is
shorted.)
Heated oxygen sensor 2 heater

Page 1336 of 2896

NISSAN LATIO 2007 Service Repair Manual DTC P0037, P0038 HO2S2 HEATER
EC-167
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Revision: June 20062007 Versa
DTC Confirmation ProcedureUBS00QCO
NOTE:
If DTC Confirmation Procedure has been previously conducted, alway

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