2014 NISSAN TEANA sensor

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Page 1289 of 4801

NISSAN TEANA 2014  Service Manual 
P014C, P014D, P015A, P015B, A/F SENSOR 1EC-289
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
C 
D E
F
G H
I
J
K L
M A
EC
NP
O
P014C, P014D, P015A, P015B, A/F SENSOR 1
DTC LogicINFOID:0000000009462232
DTC DETECT

Page 1290 of 4801

NISSAN TEANA 2014  Service Manual 
EC-290
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P014C, P014D, P015A, 
P015B, A/F SENSOR 1
3.PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
Perform DTC confirmation procedure-1 again. 
Is 
“PRSNT” dis

Page 1291 of 4801

NISSAN TEANA 2014  Service Manual 
P014C, P014D, P015A, P015B, A/F SENSOR 1EC-291
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
C 
D E
F
G H
I
J
K L
M A
EC
NP
O
6. Increase the engine speed up to about 3,600 rpm and keep it for 10 seconds. 
7. F

Page 1292 of 4801

NISSAN TEANA 2014  Service Manual 
EC-292
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P014C, P014D, P015A, 
P015B, A/F SENSOR 1
YES >> GO TO 6. 
NO >> Repair or replace error-detected parts.
6.CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT
1. Turn ign

Page 1293 of 4801

NISSAN TEANA 2014  Service Manual 
P014C, P014D, P015A, P015B, A/F SENSOR 1EC-293
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
C 
D E
F
G H
I
J
K L
M A
EC
NP
O
NO >> Repair or replace PCV valve. Refer to 
EC-21, "Component Parts Location".
10.C

Page 1294 of 4801

NISSAN TEANA 2014  Service Manual 
EC-294
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P0171 FUEL INJECTION SYSTEM FUNCTION
P0171 FUEL INJECTIO
N SYSTEM FUNCTION
DTC LogicINFOID:0000000009462234
DTC DETECTION LOGIC
With the Air/Fuel Mixture Rati

Page 1295 of 4801

NISSAN TEANA 2014  Service Manual 
P0171 FUEL INJECTION SYSTEM FUNCTIONEC-295
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
C 
D E
F
G H
I
J
K L
M A
EC
NP
O
YES >> Proceed to 
EC-295, "Diagnosis Procedure".
NO >> GO TO 5.
5.PERFORM DTC CONFIRMAT

Page 1296 of 4801

NISSAN TEANA 2014  Service Manual 
EC-296
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P0171 FUEL INJECTION SYSTEM FUNCTION
5. Check the continuity between A/F sensor 1 
harness connector and ground, or ECM harness connector
and ground. 
*1: Exc