Infiniti I35 (A33). Manual — part 303
8
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
With CONSULT-II
1. Turn ignition switch OFF.
2. Reconnect harness connectors disconnected.
3. Start engine.
4. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with CONSULT-II. Check that engine speed varies according
to the valve opening.
SEC142D
OK or NG
OK
©
GO TO 10.
NG
©
GO TO 9.
9
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
With CONSULT-II
Check air passage continuity of EVAP canister purge volume control solenoid valve under the following conditions.
SEF334X
Without CONSULT-II
Check air passage continuity of EVAP canister purge volume control solenoid valve under the following conditions.
SEF335X
OK or NG
OK
©
GO TO 10.
NG
©
Replace EVAP canister purge volume control solenoid valve.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Diagnostic Procedure (Cont’d)
EC-553
10
CHECK RUBBER TUBE FOR CLOGGING
1. Disconnect rubber tube connected to EVAP canister vent control valve.
2. Check the rubber tube for clogging.
OK or NG
OK
©
GO TO 11.
NG
©
Clean the rubber tube using an air blower.
11
CHECK EVAP CANISTER VENT CONTROL VALVE-I
1. Remove EVAP canister vent control valve from EVAP canister.
2. Check portion B of EVAP canister vent control valve for being rusted.
SEF376Z
OK or NG
OK
©
GO TO 12.
NG
©
Replace EVAP canister vent control valve.
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Diagnostic Procedure (Cont’d)
EC-554
12
CHECK EVAP CANISTER VENT CONTROL VALVE-II
With CONSULT-II
1. Reconnect harness connectors disconnected.
2. Turn ignition switch ON.
3. Perform “VENT CONTROL/V” in “ACTIVE TEST” mode.
4. Check air passage continuity and operation delay time.
SEC158D
Without CONSULT-II
Check air passage continuity and operation delay time under the following conditions.
SEF378Z
Make sure new O-ring is installed properly.
OK or NG
OK
©
GO TO 14.
NG
©
GO TO 13.
13
CHECK EVAP CANISTER VENT CONTROL VALVE-III
1. Clean the air passage (Portion A to B) of EVAP canister vent control valve using an air blower.
2. Perform procedure 9 again.
OK or NG
OK
©
GO TO 14.
NG
©
Replace EVAP canister vent control valve.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Diagnostic Procedure (Cont’d)
EC-555
14
CHECK IF EVAP CANISTER SATURATED WITH WATER
1. Remove EVAP canister with EVAP canister vent control valve attached.
2. Check if water will drain from the EVAP canister.
SEF596U
Yes or No
Yes
©
GO TO 15.
No
©
GO TO 18.
15
CHECK EVAP CANISTER
Weigh the EVAP canister with the EVAP canister vent control valve attached.
The weight should be less than 1.8 kg (4.0 lb).
OK or NG
OK
©
GO TO 17.
NG
©
GO TO 16.
16
DETECT MALFUNCTIONING PART
Check the following.
I
EVAP canister for damage
I
EVAP hose between EVAP canister and water separater for clogging or poor connection
©
Repair hose or replace EVAP canister.
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Diagnostic Procedure (Cont’d)
EC-556
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