2009 NISSAN LATIO Service Repair Manual

Page 2617 of 4331

NISSAN LATIO 2009  Service Repair Manual DTC P0171 FUEL INJECT
ION SYSTEM FUNCTION
EC-1261
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
Do not use ECM ground terminals wh
en measuring input/output voltage. Doing so may

Page 2618 of 4331

NISSAN LATIO 2009  Service Repair Manual EC-1262< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0171 FUEL INJECTION SYSTEM FUNCTION
1. Listen for an intake air leak after the mass air flow sensor.
2. Check PCV hose connection.
OK or NG OK >> GO TO 3

Page 2619 of 4331

NISSAN LATIO 2009  Service Repair Manual DTC P0171 FUEL INJECT
ION SYSTEM FUNCTION
EC-1263
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
1. Install all removed parts.
2. Start engine and warm it up to normal operating te

Page 2620 of 4331

NISSAN LATIO 2009  Service Repair Manual Diagnosis Procedure " .
If engine does not start, remove ignition plugs and check for fouling, etc.
6. Keep engine at idle for at least 5 minutes.
7. Check 1st trip DTC. The  1st  trip  DTC  P0172  sh

Page 2621 of 4331

NISSAN LATIO 2009  Service Repair Manual DTC P0172 FUEL INJECT
ION SYSTEM FUNCTION
EC-1265
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
CAUTION:
Always drive vehicle at a safe speed.
d. Check 1st trip DTC.
e. If 1st tri

Page 2622 of 4331

NISSAN LATIO 2009  Service Repair Manual EC-1266< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0172 FUEL INJECTION SYSTEM FUNCTION
Wiring Diagram INFOID:0000000004501178
Specification data are reference values and are measured between each terminal

Page 2623 of 4331

NISSAN LATIO 2009  Service Repair Manual DTC P0172 FUEL INJECT
ION SYSTEM FUNCTION
EC-1267
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
Do not use ECM ground terminals wh
en measuring input/output voltage. Doing so may

Page 2624 of 4331

NISSAN LATIO 2009  Service Repair Manual EC-1268< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0172 FUEL INJECTION SYSTEM FUNCTION
Listen for an intake air leak after the mass air flow sensor.
OK or NG OK >> GO TO 3.
NG >> Repair or replace. 3.
CHE