2010 NISSAN LATIO Service Repair Manual

Page 1689 of 3745

NISSAN LATIO 2010  Service Repair Manual EC-424
< COMPONENT DIAGNOSIS >[HR16DE]
FUEL INJECTOR
Wiring Diagram
INFOID:0000000005398606
Diagnosis ProcedureINFOID:0000000005398607
1.CHECK FUEL INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switc

Page 1690 of 3745

NISSAN LATIO 2010  Service Repair Manual FUEL INJECTOREC-425
< COMPONENT DIAGNOSIS > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
4. Check the voltage between fuel injector harness connector and
ground.
Is the inspection result normal?
YES >> GO

Page 1691 of 3745

NISSAN LATIO 2010  Service Repair Manual EC-426
< COMPONENT DIAGNOSIS >[HR16DE]
FUEL INJECTOR
2. Disconnect fuel injector harness connector.
3. Check resistance between fuel injector terminals as per the fol-
lowing.
Is the inspection result

Page 1692 of 3745

NISSAN LATIO 2010  Service Repair Manual FUEL PUMPEC-427
< COMPONENT DIAGNOSIS > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
FUEL PUMP
DescriptionINFOID:0000000005398609
*: ECM determines the start signal status by the signals of engine speed a

Page 1693 of 3745

NISSAN LATIO 2010  Service Repair Manual EC-428
< COMPONENT DIAGNOSIS >[HR16DE]
FUEL PUMP
Wiring Diagram
INFOID:0000000005398611
Diagnosis ProcedureINFOID:0000000005398612
1.CHECK FUEL PUMP POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.

Page 1694 of 3745

NISSAN LATIO 2010  Service Repair Manual FUEL PUMPEC-429
< COMPONENT DIAGNOSIS > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
4. Check the voltage between ECM harness connector and
ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> G

Page 1695 of 3745

NISSAN LATIO 2010  Service Repair Manual EC-430
< COMPONENT DIAGNOSIS >[HR16DE]
FUEL PUMP
NO >> Replace15 A fuse.
6.CHECK FUEL PUMP POWER SUPPLY CIRCUIT-IV
1. Disconnect IPDM E/R harness connector E45.
2. Check the continuity between IPDM E/

Page 1696 of 3745

NISSAN LATIO 2010  Service Repair Manual FUEL PUMPEC-431
< COMPONENT DIAGNOSIS > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
3. Check resistance between “fuel level sensor unit and fuel pump”
terminals as per the following.
Is the inspectio