2008 NISSAN TEANA Service Manual

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Page 1633 of 5121

NISSAN TEANA 2008 Service Manual EC-172
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
P0132, P0152 A/F SENSOR 1
4.CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.

Page 1634 of 5121

NISSAN TEANA 2008 Service Manual P0133, P0153 A/F SENSOR 1
EC-173
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P0133, P0153 A/F SENSOR 1
DescriptionINFOID:0000000003856574
The air fuel ratio (A/F) sensor 1

P0133, P0153 A/F SENSOR 1
EC-173
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P0133, P0153 A/F SENSOR 1
DescriptionINFOID:0000000003856574
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).
DTC LogicINFOID:0000000003856575
DTC DETECTION LOGIC
To judge the malfunction of A/F sensor 1, this diagnosis measures response time of the A/F signal computed
by ECM from the A/F sensor 1 signal. The time is compensated by engine operating (speed and load), fuel
feedback control constant, and the A/F sensor 1 temperature index. Judgment is based on whether the com-
pensated time (the A/F signal cycling time index) is inordinately long or not.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
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 11 V at idle.
Will CONSULT-III be used?
YES >> GO TO 2.
NO >> GO TO 5.
JMBIA0112GB
PBIB3354E
DTC No. Trouble diagnosis name DTC detecting condition Possible Cause
P0133Air fuel ratio (A/F) sensor 1
(bank 1) circuit slow re-
sponse
The response of the A/F signal computed by
ECM from A/F sensor 1 signal takes more than
the specified time. Harness or connectors
(The A/F sensor 1 circuit is open or
shorted.)
A/F sensor 1
A/F sensor 1 heater
Fuel pressure
Fuel injector
Intake air leaks
Exhaust gas leaks
PCV
Mass air flow sensor P0153Air fuel ratio (A/F) sensor 1
(bank 2) circuit slow re-
sponse

Page 1635 of 5121

NISSAN TEANA 2008 Service Manual EC-174
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
P0133, P0153 A/F SENSOR 1
2.PERFORM DTC CONFIRMATION PROCEDURE-I
With CONSULT-III
1. Start engine and warm it up to normal operating temperature.
2. Turn

EC-174
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
P0133, P0153 A/F SENSOR 1
2.PERFORM DTC CONFIRMATION PROCEDURE-I
With CONSULT-III
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” (for DTC P0133) or “A/F SEN1(B2) P1288/P1289” (for DTC P0153)
of “A/F SEN1” in “DTC WORK SUPPORT” mode with CONSULT-III.
6. Touch “START”.
Is COMPLETED displayed?
YES >> GO TO 3.
NO >> GO TO 4.
3.PERFORM DTC CONFIRMATION PROCEDURE-II
Check that “OK” is displayed after touching “SELF-DIAG RESULT”.
Is OK displayed?
YES >> INSPECTION END
NO >> Go to EC-175, "
Diagnosis Procedure".
4.PERFORM DTC CONFIRMATION PROCEDURE-III
1. After perform the following procedure, “TESTING” will be displayed on the CONSULT-III screen.
- Increase the engine speed up to between 4,000 and 5,000 rpm and maintain that speed for 10 seconds.
- Fully release accelerator pedal and then let engine idle for about 10 seconds.
If “TESTING” is not displayed after 10 seconds, refer to EC-124, "
Component Function Check".
2. Wait for about 20 seconds at idle under the condition that “TESTING” is displayed on the CONSULT-III
screen.
3. Check that “TESTING” changes to “COMPLETED”.
If “TESTING” changed to “OUT OF CONDITION”, refer to EC-124, "
Component Function Check".
4. Check that “OK” is displayed after touching “SELF-DIAG RESULT”.
Is OK displayed?
YES >> INSPECTION END
NO >> Go to EC-175, "
Diagnosis Procedure".
5.CHECK MIXTURE RATIO SELF-LEARNING VALUE
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.
Is the total percentage within
±15%?
YES >> GO TO 7.
NO >> GO TO 6.
6.DETECT MALFUNCTIONING PART
Check the following.
Intake air leaks
Exhaust gas leaks
Incorrect fuel pressure
Lack of fuel
Fuel injector
Incorrect PCV hose connection
PCV valve
Mass air flow sensor
>> Repair or replace malfunctioning part.
7.PERFORM DTC CONFIRMATION PROCEDURE-IV
1. Turn ignition switch OFF and wait at least 10 seconds.

Page 1636 of 5121

NISSAN TEANA 2008 Service Manual P0133, P0153 A/F SENSOR 1
EC-175
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2. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1minute unde

Page 1637 of 5121

NISSAN TEANA 2008 Service Manual EC-176
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
P0133, P0153 A/F SENSOR 1
2. Turn ignition switch ON.
3. Check the voltage between A/F sensor 1 harness connector and ground.
Is the inspection result no

Page 1638 of 5121

NISSAN TEANA 2008 Service Manual P0133, P0153 A/F SENSOR 1
EC-177
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YES >> GO TO 11.
NO >> Replace mass air flow sensor.
11 .CHECK PCV VALVE
Refer to EC-347, "
Com

Page 1639 of 5121

NISSAN TEANA 2008 Service Manual EC-178
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
P0137, P0157 HO2S2
P0137, P0157 HO2S2
DescriptionINFOID:0000000003856577
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the ox

EC-178
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
P0137, P0157 HO2S2
P0137, P0157 HO2S2
DescriptionINFOID:0000000003856577
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the sig-
nal from the heated oxygen sensor 2.
This sensor is made of ceramic zirconia. The zirconia generates volt-
age from approximately 1 V in richer conditions to 0 V in leaner con-
ditions.
Under normal conditions the heated oxygen sensor 2 is not used for
engine control operation.
DTC LogicINFOID:0000000003856578
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time
between rich and lean than the air fuel ratio (A/F) sensor 1. The oxy-
gen storage capacity of the three way catalyst (manifold) causes the
longer switching time. To judge the malfunctions of heated oxygen
sensor 2, ECM monitors whether the maximum voltage of the sensor
is sufficiently high during various driving conditions such as fuel-cut.
DTC CONFIRMATION PROCEDURE
1.INSPECTION START
Will CONSULT-III be used?
Will CONSULT-III be used?
YES >> GO TO 2.
NO >> GO TO 5.
2.PRECONDITIONING
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:
For better results, perform “DTC WORK SUPPORT” at a temperature of 0 to 30 °C (32 to 86 °F).
>> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
SEF327R
SEF259VA
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0137Heated oxygen sensor 2
(bank 1) circuit low volt-
age
The maximum voltage from the sensor does not
reach the specified voltage. Harness or connectors
(The sensor circuit is open or shorted)
Heated oxygen sensor 2
Fuel pressure
Fuel injector
Intake air leaks P0157Heated oxygen sensor 2
(bank 2) circuit low volt-
age

Page 1640 of 5121

NISSAN TEANA 2008 Service Manual P0137, P0157 HO2S2
EC-179
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1. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
2. Start engine and wa

P0137, P0157 HO2S2
EC-179
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1. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
2. Start engine and warm it up to the normal operating temperature.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
5. Let engine idle for 1 minute.
6. Check that “COOLAN TEMP/S” indicates more than 70°C (158°F).
If not, warm up engine and go to next step when “COOLAN TEMP/S” indication reaches 70°C (158°F).
7. Open engine hood.
8. Select “HO2S2 (B1) P1147” (for DTC P0137) or “HO2S2 (B2) P1167” (for DTC P0157) of “HO2S2” in
“DTC WORK SUPPORT” mode with CONSULT-III.
9. Follow the instruction of CONSULT-III.
NOTE:
It will take at most 10 minutes until “COMPLETED” is displayed.
10. Touch “SELF-DIAG RESULTS”.
Which is displayed on CONSULT-III screen?
OK >> INSPECTION END
NG >> Go to EC-180, "
Diagnosis Procedure".
CAN NOT BE DIAGNOSED>>GO TO 4.
4.PERFORM DTC CONFIRMATION PROCEDURE AGAIN
1. Turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle).
2. Perform DTC confirmation procedure again.
>> GO TO 3.
5.PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to EC-179, "
Component Function Check".
NOTE:
Use component function check to check the overall function of the heated oxygen sensor 2 circuit. During this
check, a 1st trip DTC might not be confirmed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-180, "
Diagnosis Procedure".
Component Function CheckINFOID:0000000003856579
1.PERFORM COMPONENT FUNCTION CHECK-I
Without CONSULT-III
1. Start engine and warm it up to the 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 1 minute under no load.
4. Let engine idle for 1 minute.
5. Check the voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 2.
DTCECM
Condition Voltage
Connec-
tor+–
Te r m i n a l Te r m i n a l
P0137
F833
[HO2S2 (bank 1)
signal]35
(Sensor
ground)Revving up to 4,000 rpm under no
load at least 10 timesThe voltage should be above 0.68 V
at least once during this procedure.
P015734
[HO2S2 (bank 2)
signal]

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