2007 INFINITI QX56 Factory Service Manual

Page 1465 of 3061

INFINITI QX56 2007  Factory Service Manual EC-382
< SERVICE INFORMATION >
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
Diagnosis Procedure
INFOID:0000000003531880
1.INSPECTION START
Do you have CONSULT-II?
Ye s  o r  N o
Ye s > > G O  T O  2 .
N

Page 1466 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0447 EVAP CANISTER VENT CONTROL VALVE
EC-383
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
4. Check voltage between EVAP canister vent control valve termi-
nal 1 and ground with CONSULT

Page 1467 of 3061

INFINITI QX56 2007  Factory Service Manual EC-384
< SERVICE INFORMATION >
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
Component Inspection
INFOID:0000000003531881
EVAP CANISTER VENT CONTROL VALVE
 With CONSULT-II
1. Remove EVAP canister vent co

Page 1468 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0447 EVAP CANISTER VENT CONTROL VALVE
EC-385
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
If OK, go to next step.
4. Clean the air passage (portion A to B) of EVAP canister vent contro

Page 1469 of 3061

INFINITI QX56 2007  Factory Service Manual EC-386
< SERVICE INFORMATION >
DTC P0448 EVAP CANISTER VENT CONTROL VALVE
DTC P0448 EVAP CANISTER VENT CONTROL VALVE
Component DescriptionINFOID:0000000003531882
The EVAP canister vent control valve i

Page 1470 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0448 EVAP CANISTER VENT CONTROL VALVE
EC-387
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
3. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
4. Start engine

Page 1471 of 3061

INFINITI QX56 2007  Factory Service Manual EC-388
< SERVICE INFORMATION >
DTC P0448 EVAP CANISTER VENT CONTROL VALVE
Wiring Diagram
INFOID:0000000003531886
Specification data are reference values and are measured between each terminal and grou

Page 1472 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0448 EVAP CANISTER VENT CONTROL VALVE
EC-389
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
Diagnosis ProcedureINFOID:0000000003531887
1.CHECK RUBBER TUBE
1. Turn ignition switch OFF.
2.