Nissan Teana J32. Manual — part 409
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
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
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.
P0133, P0153 A/F SENSOR 1
EC-175
< COMPONENT DIAGNOSIS >
[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
2.
Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1minute under no load.
3.
Let engine idle for 1 minute.
4.
Increase the engine speed up to between 4,000 and 5,000 rpm and maintain that speed for 10 seconds.
5.
Fully release accelerator pedal and then let engine idle for about 1 minute.
6.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003856576
1.
CHECK GROUND CONNECTION
1.
Turn ignition switch OFF.
2.
Check ground connection E38. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
RETIGHTEN A/F SENSOR 1
Loosen and retighten the A/F sensor 1. Refer to
EM-34, "Removal and Installation"
.
>> GO TO 3.
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).
Is exhaust gas leak detected?
YES
>> Repair or replace malfunctioning part.
NO
>> GO TO 4.
4.
CHECK FOR INTAKE AIR LEAK
Listen for an intake air leak after the mass air flow sensor.
Is intake air leak detected?
YES
>> Repair or replace malfunctioning part.
NO
>> GO TO 5.
5.
CLEAR MIXTURE RATIO SELF-LEARNING VALUE
1.
Clear the mixture ratio self-learning value. Refer to
EC-18, "MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Special Repair Requirement"
.
2.
Run engine for at least 10 minutes at idle speed.
3.
Check 1st trip DTC.
Is the 1st trip DTC P0171, P0172, P0174 or P0175 detected? Is it difficult to start engine?
YES
>> Perform trouble diagnosis for DTC P0171, P0174 or P0172, P0175. Refer to
or
NO
>> GO TO 6.
6.
CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY CIRCUIT
1.
Disconnect A/F sensor 1 harness connector.
PBIB1216E
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 normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
DETECT MALFUNCTIONING PART
Check the following.
• IPDM E/R harness connector F12
• 15A fuse (No. 46)
• Harness for open or short between A/F sensor 1 and fuse
>> Repair or replace harness or connectors.
8.
CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between A/F sensor 1 harness connector and ECM harness connector.
4.
Check the continuity between A/F sensor 1 harness connector or ECM harness connector ground.
5.
Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
9.
CHECK AIR FUEL RATIO (A/F) SENSOR 1 HEATER
EC-142, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> GO TO 13.
10.
CHECK MASS AIR FLOW SENSOR
EC-151, "Component Inspection"
Is the inspection result normal?
DTC
A/F sensor 1
Ground
Voltage
Bank
Connector
Terminal
P0133
1
F27
4
Ground
Battery voltage
P0153
2
F64
4
DTC
A/F sensor 1
ECM
Continuity
Bank
Connector
Terminal
Connector
Terminal
P0133
1
F27
1
F8
45
Existed
2
49
P0153
2
F64
1
53
2
57
DTC
A/F sensor 1
ECM
Ground
Continuity
Bank
Connector
Terminal
Connector
Terminal
P0133
1
F27
1
F8
45
Ground
Not existed
2
49
P0153
2
F64
1
53
2
57
P0133, P0153 A/F SENSOR 1
EC-177
< COMPONENT DIAGNOSIS >
[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
YES
>> GO TO 11.
NO
>> Replace mass air flow sensor.
11.
CHECK PCV VALVE
EC-347, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Repair or replace PCV valve.
12.
CHECK INTERMITTENT INCIDENT
Perform
GI-35, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> GO TO 13.
NO
>> Repair or replace malfunctioning part.
13.
REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace malfunctioning air fuel ratio (A/F) sensor 1.
CAUTION:
• Discard any A/F sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a
hard surface such as a concrete floor; use a new one.
• Before installing new A/F sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner and approved anti-seize lubricant.
>> INSPECTION END
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