Infiniti FX35 / FX45. Manual — part 542
DTC P0442 EVAP CONTROL SYSTEM
EC-929
< SERVICE INFORMATION >
[VK45DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
4.
Using EVAP leak detector, locate the EVAP leak. For the leak
detector, refer to the instruction manual for more details.
Refer to
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace.
7.
CHECK FOR EVAP LEAK
Without CONSULT-III
1.
Turn ignition switch OFF.
2.
Apply 12 volts DC to EVAP canister vent control valve. The valve will close. (Continue to apply 12 volts
until the end of test.)
3.
Pressurize the EVAP line using pressure pump with 1.3 to 2.7 kPa (0.0133 to 0.028 kg/cm
2
, 0.19 to 0.39
psi), then remove pump and EVAP service port adapter.
CAUTION:
• Never use compressed air or a high pressure pump.
• Do not exceed 4.12 kPa (0.042 kg/cm
2
, 0.6 psi) of pressure in the system.
4.
Using EVAP leak detector, locate the EVAP leak. For the leak
detector, refer to the instruction manual for more details. Refer
to
.
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace.
8.
CHECK EVAP CANISTER VENT CONTROL VALVE
Check the following.
• EVAP canister vent control valve is installed properly.
EC-622, "Removal and Installation"
• EVAP canister vent control valve.
EC-949, "Component Inspection"
.
OK or NG
OK
>> GO TO 9.
NG
>> Repair or replace EVAP canister vent control valve and O-ring.
9.
CHECK IF EVAP CANISTER SATURATED WITH WATER
1.
Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor
attached.
SEF200U
PBIB1522E
SEF200U
EC-930
< SERVICE INFORMATION >
[VK45DE]
DTC P0442 EVAP CONTROL SYSTEM
2.
Does water drain from the EVAP canister?
Yes or No
Yes
>> GO TO 10.
No (With CONSULT-III)>>GO TO 12.
No (Without CONSULT-III)>>GO TO 13.
10.
CHECK EVAP CANISTER
Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor
attached.
The weight should be less than 2.1 kg (4.6 lb).
OK or NG
OK (With CONSULT-III)>>GO TO 12.
OK (Without CONSULT-III)>>GO TO 13.
NG
>> GO TO 11.
11.
DETECT MALFUNCTIONING PART
Check the following.
• EVAP canister for damage
• EVAP hose between EVAP canister and vehicle frame for clogging or poor connection
>> Repair hose or replace EVAP canister.
12.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
With CONSULT-III
1.
Disconnect vacuum hose to EVAP canister purge volume control solenoid valve at EVAP service port.
2.
Start engine.
3.
Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode.
4.
Touch “Qu” on CONSULT-III screen to increase “PURG VOL CONT/V” opening to 100%.
5.
Check vacuum hose for vacuum when revving engine up to 2,000 rpm.
OK or NG
OK
>> GO TO 15.
NG
>> GO TO 14.
13.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
Without CONSULT-III
1.
Start engine and warm it up to normal operating temperature.
2.
Stop engine.
3.
Disconnect vacuum hose to EVAP canister purge volume control solenoid valve at EVAP service port.
4.
Start engine and let it idle for at least 80 seconds.
5.
Check vacuum hose for vacuum when revving engine up to 2,000 rpm.
OK or NG
OK
>> GO TO 16.
NG
>> GO TO 14.
14.
CHECK VACUUM HOSE
Check vacuum hoses for clogging or disconnection. Refer to
OK or NG
OK
>> GO TO 15.
NG
>> Repair or reconnect the hose.
PBIB1031E
Vacuum should exist.
DTC P0442 EVAP CONTROL SYSTEM
EC-931
< SERVICE INFORMATION >
[VK45DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
15.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-945, "Component Inspection"
OK or NG
OK
>> GO TO 16.
NG
>> Replace EVAP canister purge volume control solenoid valve.
16.
CHECK FUEL TANK TEMPERATURE SENSOR
EC-884, "Component Inspection"
OK or NG
OK
>> GO TO 17.
NG
>> Replace fuel level sensor unit.
17.
CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-965, "Component Inspection"
OK or NG
OK
>> GO TO 18.
NG
>> Replace EVAP control system pressure sensor.
18.
CHECK EVAP PURGE LINE
Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks or improper connection.
Refer to
OK or NG
OK
>> GO TO 19.
NG
>> Repair or reconnect the hose.
19.
CLEAN EVAP PURGE LINE
Clean EVAP purge line (pipe and rubber tube) using air blower.
>> GO TO 20.
20.
CHECK EVAP/ORVR LINE
Check EVAP/ORVR line between EVAP canister and fuel tank for clogging, kink, looseness and improper con-
nection. For location, refer to
OK or NG
OK
>> GO TO 21.
NG
>> Repair or replace hoses and tubes.
21.
CHECK RECIRCULATION LINE
Check recirculation line between filler neck tube and fuel tank for clogging, kink, cracks, looseness and
improper connection.
OK or NG
OK
>> GO TO 22.
NG
>> Repair or replace hose, tube or filler neck tube.
22.
CHECK REFUELING EVAP VAPOR CUT VALVE
EC-626, "Component Inspection"
OK or NG
OK
>> GO TO 23.
NG
>> Replace refueling EVAP vapor cut valve with fuel tank.
23.
CHECK FUEL LEVEL SENSOR
DI-21, "Electrical Component Inspection"
OK or NG
OK
>> GO TO 24.
NG
>> Replace fuel level sensor unit.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст