Toyota 2GR-FE Manual page 580

ES–424
10
PERFORM EVAP SYSTEM CHECK (STEP 5/5)
Purge VSV
Vent Valve
Leak Detection
Pump
ES
EVAP Pressure
Positive
Negative
First Refer-
ence
Pressure
Steps
Time
(Reference)
Result
*
DTCs
EVAP pressure (step 3/5) lower than second
-
reference pressure (step 5/5)
P0441 and EVAP pressure (step 3/5) higher than [second
P0455 reference pressure (step 5/5) x 0.2]
EVAP pressure (step 3/5) higher than second
P0456
reference pressure (step 5/5)
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Check the EVAP pressure in step 5/5.
(b) Compare the EVAP pressure in step 3/5 and the second
reference pressure (step 5/5).
Test Results
*: These DTCs are already present in the ECM when the
vehicle arrives and are confirmed in the "CONFIRM
DTC" procedures above.
A
B
ON
ON
ON
Gross Leak
Small Leak
No Leak
Suspected Trouble Areas
Not yet determined (no leakage from EVAP
system)
• Purge VSV stuck open
• EVAP gross leak
EVAP small leak
Go to step 35
Go to step 12
ON: Open
OFF: Closed
ON: Closed
OFF: Vent
[Second
Reference
Pressure] x 0.2
[Second
Reference
5/5
Pressure]
60
seconds
A106735E15
Proceed to
A
B
B