2014 NISSAN TEANA Service Manual

check oil tire pressure reset wheel size fuel consumption change key battery rear view mirror

Page 1921 of 4801

NISSAN TEANA 2014 Service Manual
P1800 VIAS CONTROL SOLENOID VALVE 1EC-921
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
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G H
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EC
NP
O
4. Also check harness for short to ground and short to power.
Is the inspection result n

Page 1922 of 4801

NISSAN TEANA 2014 Service Manual
EC-922
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P1801 VIAS CONTROL SOLENOID VALVE 2
P1801 VIAS CONTROL SOLENOID VALVE 2
DTC LogicINFOID:0000000009462795
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CON

EC-922
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P1801 VIAS CONTROL SOLENOID VALVE 2
P1801 VIAS CONTROL SOLENOID VALVE 2
DTC LogicINFOID:0000000009462795
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confi rm battery voltage is more than 11 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for at least 5 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-922, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462796
1.CHECK VIAS CONTROL SOLENOID VALVE 2 POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect VIAS control solenoid valve 2 harness connector.
3. Turn ignition switch ON.
4. Check the voltage between VIAS control solenoid valve 2 harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
2.CHECK VIAS CONTROL SOLENOID VALVE 2 OU TPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between VIAS control so lenoid valve 2 harness connector and ECM harness con-
nector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1801 VIAS control solenoid valve 2
circuit An excessively low or high voltage signal
is sent to ECM through the VIAS control
solenoid valve 2. • Harness or connectors
(The solenoid valve 2 circuit is open or
shorted.)
• VIAS control solenoid valve 2
VIAS control solenoid valve 2 Ground Voltage
Connector Terminal
F65 1 Ground Battery voltage
VIAS control solenoid valve 2 ECM Continuity
Connector Terminal Connector Terminal
F65 2 F78 40 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1923 of 4801

NISSAN TEANA 2014 Service Manual
P1801 VIAS CONTROL SOLENOID VALVE 2EC-923
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
4. Also check harness for short to ground and short to power.
Is the inspection result n

Page 1924 of 4801

NISSAN TEANA 2014 Service Manual
EC-924
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P1805 BRAKE SWITCH
P1805 BRAKE SWITCH
DescriptionINFOID:0000000009462798
Brake switch signal is applied to the ECM via the st
op lamp switch when the brake pe

Page 1925 of 4801

NISSAN TEANA 2014 Service Manual
P1805 BRAKE SWITCHEC-925
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
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EC
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1. Disconnect stop lamp relay harness connector.
2. Check the continuity between stop lamp switch harnes

Page 1926 of 4801

NISSAN TEANA 2014 Service Manual
EC-926
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P1805 BRAKE SWITCH
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair or replace error-detected parts
8.CHECK STOP LAMP RELAY
Check the stop lamp

Page 1927 of 4801

NISSAN TEANA 2014 Service Manual
P2096, P2097, P2098, P2099 A/F SENSOR 1
EC-927
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
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M A
EC
NP
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P2096, P2097, P2098, P2099 A/F SENSOR 1
DTC LogicINFOID:0000000009462803
DTC DETECTI

P2096, P2097, P2098, P2099 A/F SENSOR 1
EC-927
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
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NP
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P2096, P2097, P2098, P2099 A/F SENSOR 1
DTC LogicINFOID:0000000009462803
DTC DETECTION LOGIC
To judge the malfunction, the A/F signal computed by ECM fr
om the A/F sensor 1 signal is monitored so it will
not shift to LEAN side or RICH side.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, always perform the following before conduct-
ing the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Clear the mixture ratio self-learning value. Refer to EC-685, "Work Procedure"
.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Turn ignition switch ON.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Start engine and keep the engine speed between 3,500 and 4,000 rpm for 1 minute under no load.
6. Let engine idle for 1 minute.
7. Keep engine speed between 2,500 and 3,000 rpm for 20 minutes.
8. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-927, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462804
1.RETIGHTEN A/F SENSOR 1 AND HEATED OXYGEN SENSOR 2
Loosen and retighten the A/F sensor 1 and heated oxygen senosr 2. Refer to EM-152, "Removal and Installa-
tion (LH)" or EM-153, "Removal and Installation (RH)".
DTC No. Trouble diagnosis name
(Trouble diagnosis content) DTC detecting condition Possible Cause
P2096 POST CAT FUEL TRIM SYS
B1
(Post catalyst fuel trim system
too lean bank 1) The output voltage computed by ECM from the A/
F sensor 1 signal is shifts to the lean side for a
specified period. • A/F sensor 1 (bank 1)
• A/F sensor 1 heater
• Heated oxygen sensor 2 (bank 1)
• Fuel pressure
• Fuel injector
• Intake air leaks
• Exhaust gas leaks
P2097 POST CAT FUEL TRIM SYS
B1
(Post catalyst fuel trim system
too rich bank 1) The A/F signal computed by ECM from the A/F
sensor 1 signal is shifts to the rich side for a spec-
ified period.
P2098 POST CAT FUEL TRIM SYS
B2
(Post catalyst fuel trim system
too lean bank 2) The output voltage computed by ECM from the A/
F sensor 1 signal is shifts to the lean side for a
specified period. • A/F sensor 1 (bank 2)
• A/F sensor 1 heater
• Heated oxygen sensor 2 (bank 2)
• Fuel pressure
• Fuel injector
• Intake air leaks
• Exhaust gas leaks
P2099 POST CAT FUEL TRIM SYS
B2
(Post catalyst fuel trim system
too rich bank 2) The A/F signal computed by ECM from the A/F
sensor 1 signal is shifts to the rich side for a spec-
ified period.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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NISSAN TEANA 2014 Service Manual
EC-928
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2096, P2097, P2098,
P2099 A/F SENSOR 1
>> GO TO 2.
2.CHECK FOR EXHAUST GAS LEAK
1. Start engine and run it at idle.
2. Listen for an exhaust gas leak befor

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