height NISSAN TEANA 2008 User Guide

EC-166
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
P0130, P0150 A/F SENSOR 1
4. Check the continuity between A/F sensor 1 harness connector or ECM harness connector and ground.
5. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK INTERMITTENT INCIDENT
Perform GI-35, "
Intermittent Incident".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace malfunctioning part.
6.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
DTCA/F sensor 1 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0130 1 F271
F845
Existed 249
P0150 2 F64153
257
DTCA/F sensor 1 ECM
Ground Continuity
Bank Connector Terminal Connector Terminal
P0130 1 F271
F845
Ground Not existed 249
P0150 2 F64153
257

P0131, P0151 A/F SENSOR 1
EC-169
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
4.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 and ground.
5. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK INTERMITTENT INCIDENT
Perform GI-35, "
Intermittent Incident".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace malfunctioning part.
6.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
DTCA/F sensor 1 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0131 1 F271
F845
Existed 249
P0151 2 F64153
257
DTCA/F sensor 1 ECM
Ground Continuity
Bank Connector Terminal Connector Terminal
P0131 1 F271
F845
Ground Not existed 249
P0151 2 F64153
257

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.
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 and ground.
5. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK INTERMITTENT INCIDENT
Perform GI-35, "
Intermittent Incident".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace malfunctioning part.
6.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
DTCA/F sensor 1 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0132 1 F271
F845
Existed 249
P0152 2 F64153
257
DTCA/F sensor 1 ECM
Ground Continuity
Bank Connector Terminal Connector Terminal
P0132 1 F271
F845
Ground Not existed 249
P0152 2 F64153
257

P0133, P0153 A/F SENSOR 1
EC-177
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
YES >> GO TO 11.
NO >> Replace mass air flow sensor.
11 .CHECK PCV VALVE
Refer to 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

P0137, P0157 HO2S2
EC-181
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
4. Check the continuity between heated oxygen sensor 2 (HO2S2) harness connector and ECM harness
connector.
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK HO2S2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between HO2S2 harness connector and ECM harness connector.
2. Check the continuity between HO2S2 harness connector or ECM harness connector and ground.
3. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK HEATED OXYGEN SENSOR 2
Refer to EC-182, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 7.
NO >> GO TO 6.
6.REPLACE HEATED OXYGEN SENSOR 2
Replace malfunctioning heated oxygen sensor 2.
CAUTION:
 Discard any heated oxygen 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 oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner and approved anti-seize lubricant.
>> INSPECTION END
7.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
DTCHO2S2 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0137 1 F70 1
F8 35 Existed
P0157 2 F71 1
DTCHO2S2 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0137 1 F70 4
F833
Existed
P0157 2 F71 4 34
DTCHO2S2 ECM
Ground Continuity
Bank Connector Terminal Connector Terminal
P0137 1 F70 4
F833
Ground Not existed
P0157 2 F71 4 34

P0137, P0157 HO2S2
EC-183
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 5.
5.CHECK HEATED OXYGEN SENSOR 2-III
Check the voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 6.
6.REPLACE HEATED OXYGEN SENSOR 2
Replace malfunctioning heated oxygen sensor 2.
CAUTION:
 Discard any heated oxygen 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 oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner and approved anti-seize lubricant.
>> INSPECTION END
ECM
Condition Voltage
Connector+–
Terminal Terminal
F833
[HO2S2 (bank 1)
signal]35
(Sensor
ground)Keeping engine at idle for 10 minutesThe voltage should be above 0.68 V at
least once during this procedure.
The voltage should be below 0.18 V at
least once during this procedure. 34
[HO2S2 (bank 2)
signal]
ECM
Condition Voltage
Connector+–
Terminal Terminal
F833
[HO2S2 (bank 1)
signal]35
(Sensor
ground)Coasting from 80 km/h (50 MPH) in D po-
sitionThe voltage should be above 0.68 V at
least once during this procedure.
The voltage should be below 0.18 V at
least once during this procedure. 34
[HO2S2 (bank 2)
signal]

EC-188
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
P0138, P0158 HO2S2
3. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK HO2S2 CONNECTOR FOR WATER
Check connectors for water.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness or connectors.
6.CHECK HEATED OXYGEN SENSOR 2
Refer to EC-190, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 8.
NO >> GO TO 7.
7.REPLACE HEATED OXYGEN SENSOR 2
Replace malfunctioning heated oxygen sensor 2.
CAUTION:
 Discard any heated oxygen 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 oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner and approved anti-seize lubricant.
>> INSPECTION END
8.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
9.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E38. Refer to Ground Inspection in GI-37, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 10.
NO >> Repair or replace ground connection.
10.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.
Is the 1st trip DTC P0172 or P0175 detected? Is it difficult to start engine?
YES >> Perform trouble diagnosis for DTC P0172, P0175. Refer to EC-202, "DTC Logic".
NO >> GO TO 11.
11 .CHECK HO2S2 GROUND CIRCUIT FOR OPEN AND SHORT
DTCHO2S2 ECM
Ground Continuity
Bank Connector Terminal Connector Terminal
P0138 1 F70 4
F833
Ground Not existed
P0158 2 F71 4 34
Water should not exist.

P0138, P0158 HO2S2
EC-189
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
1. Turn ignition switch OFF.
2. Disconnect heated oxygen sensor 2 harness connector.
3. Disconnect ECM harness connector.
4. Check the continuity between HO2S2 harness connector and ECM harness connector.
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 12.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
12.CHECK HO2S2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between HO2S2 harness connector and ECM harness connector.
2. Check the continuity between HO2S2 harness connector or ECM harness connector and ground.
3. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 13.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
13.CHECK HEATED OXYGEN SENSOR 2
Refer to EC-190, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 15.
NO >> GO TO 14.
14.REPLACE HEATED OXYGEN SENSOR 2
Replace malfunctioning heated oxygen sensor 2.
CAUTION:
 Discard any heated oxygen 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 oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner and approved anti-seize lubricant.
>> INSPECTION END
15.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
DTCHO2S2 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0138 1 F70 1
F8 35 Existed
P0158 2 F71 1
DTCHO2S2 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0138 1 F70 4
F833
Existed
P0158 2 F71 4 34
DTCHO2S2 ECM
Ground Continuity
Bank Connector Terminal Connector Terminal
P0138 1 F70 4
F833
Ground Not existed
P0158 2 F71 4 34

P0138, P0158 HO2S2
EC-191
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 5.
5.CHECK HEATED OXYGEN SENSOR 2-III
Check the voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 6.
6.REPLACE HEATED OXYGEN SENSOR 2
Replace malfunctioning heated oxygen sensor 2.
CAUTION:
 Discard any heated oxygen 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 oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner and approved anti-seize lubricant.
>> INSPECTION END
ECM
Condition Voltage
Connector+–
Terminal Terminal
F833
[HO2S2 (bank 1)
signal]35
(Sensor
ground)Keeping engine at idle for 10 minutesThe voltage should be above 0.68 V at
least once during this procedure.
The voltage should be below 0.18 V at
least once during this procedure. 34
[HO2S2 (bank 2)
signal]
ECM
Condition Voltage
Connector+–
Terminal Terminal
F833
[HO2S2 (bank 1)
signal]35
(Sensor
ground)Coasting from 80 km/h (50 MPH) in D po-
sitionThe voltage should be above 0.68 V at
least once during this procedure.
The voltage should be below 0.18 V at
least once during this procedure. 34
[HO2S2 (bank 2)
signal]

P0139, P0159 HO2S2
EC-195
< COMPONENT DIAGNOSIS >[VQ25DE, VQ35DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK HO2S2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between HO2S2 harness connector and ECM harness connector.
2. Check the continuity between HO2S2 harness connector or ECM harness connector and ground.
3. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK HEATED OXYGEN SENSOR 2
Refer to EC-195, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 7.
NO >> GO TO 6.
6.REPLACE HEATED OXYGEN SENSOR 2
Replace malfunctioning heated oxygen sensor 2.
CAUTION:
 Discard any heated oxygen 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 oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread
Cleaner and approved anti-seize lubricant.
>> INSPECTION END
7.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003856591
1.INSPECTION START
Will CONSULT-III be used?
DTCHO2S2 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0139 1 F70 1
F8 35 Existed
P0159 2 F71 1
DTCHO2S2 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0139 1 F70 4
F833
Existed
P0159 2 F71 4 34
DTCHO2S2 ECM
Ground Continuity
Bank Connector Terminal Connector Terminal
P0139 1 F70 4
F833
Ground Not existed
P0159 2 F71 4 34