Toyota 2GR-FE Manual page 579

9
PERFORM EVAP SYSTEM CHECK (STEP 4/5)
Purge VSV
Vent Valve
Leak Detection
Pump
EVAP Pressure
Positive
Negative
First Reference
Pressure
Steps
Time
(Reference)
Result
DTCs*
EVAP pressure increases by 0.3 kPa-g (2.25
- mmHg-g) or more within 10 seconds of
proceeding from step 3/5 to step 4/5
EVAP pressure increases by 0.3 kPa-g (2.25
P0441 mmHg-g) or more within 10 seconds of
proceeding from step 3/5 to step 4/5
Variation in EVAP pressure less than 0.3 kPa-g
P0441 (2.25 mmHg-g) for 10 seconds, after
proceeding from step 3/5 to step 4/5
A
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
Purge VSV Stuck Closed
(a) Check the EVAP pressure in step 4/5.
Test Results
*: These DTCs are already present in the ECM when the
vehicle arrives and are confirmed in the "CONFIRM
DTC" procedures above.
B
C
ON
ON
ON
OK
4/5
10
seconds
Suspected Trouble Areas
Not yet determined
Problems in EVAP hose between purge VSV
and intake manifold
Purge VSV stuck closed
Go to step 15
Go to step 12
ES–423
ON: Open
OFF: Closed
ON: Closed
OFF: Vent
ES
A106741E05
Proceed to
A
B
C