Infiniti M45 (Y34). Manual — part 415
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
EC-349
C
D
E
F
G
H
I
J
K
L
M
A
EC
DTC Confirmation Procedure
ABS002KK
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm battery voltage is more than 11V at idle.
WITH CONSULT-II
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Start engine and wait at least 8 seconds.
4.
If 1st trip DTC is detected, go to
EC-351, "Diagnostic Procedure"
.
WITH GST
Follow the procedure WITH CONSULT-II above.
SEF058Y
EC-350
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
Wiring Diagram
ABS002KL
TBWA0291E
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
EC-351
C
D
E
F
G
H
I
J
K
L
M
A
EC
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure
ABS002KM
1.
INSPECTION START
Do you have CONSULT-II?
Yes or No
Yes
>> GO TO 2.
No
>> GO TO 3.
2.
CHECK EVAP CANISTER VENT CONTROL VALVE CIRCUIT
With CONSULT-II
1.
Turn ignition switch OFF and then turn ON.
2.
Select “VENT CONTROL/V” in “ACTIVE TEST” mode with CONSULT-II.
3.
Touch “ON/OFF” on CONSULT-II screen.
4.
Check for operating sound of the valve.
Clicking noise should be heard.
OK or NG
OK
>> GO TO 7.
NG
>> GO TO 3.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
158
L/Y
EVAP canister vent control
valve
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
PBIB0151E
EC-352
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
3.
CHECK EVAP CANISTER VENT CONTROL VALVE POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect EVAP canister vent control valve harness connector.
3.
Turn ignition switch ON.
4.
Check voltage between EVAP canister vent control valve termi-
nal 1 and ground with CONSULT-II or tester.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 4.
4.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E224, B204
●
Harness connectors B251, B401
●
Fuse, fusible link and relay block (J/B) connector E3
●
10A fuse
●
Harness for open or short between EVAP canister vent control valve and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.
CHECK EVAP CANISTER VENT CONTROL VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND
SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check harness continuity between ECM terminal 158 and EVAP canister vent control valve terminal 2.
Refer to Wiring Diagram.
4.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 7.
NG
>> GO TO 6.
Voltage: Battery voltage
PBIB0026E
PBIB0152E
Continuity should exist.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст