Infiniti M45 (Y34). Manual - part 415

 

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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.

 

 

 

 

 

 

 

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