Toyota 2GR-FE Manual page 539

MONITOR STRATEGY
Related DTC
Required Sensors/Components
Frequency of Operation
Duration
MIL Operation
Sequence of Operation
TYPICAL ENABLING CONDITIONS
The monitor will run whenever these DTCs are not
present
Key-off monitor is run when all of the following
conditions are met
Atmospheric pressure
Battery voltage
Vehicle speed
Ignition switch
Time after key-off
EVAP pressure sensor malfunction (P0450, P0452,
P0453)
EVAP canister purge valve
EVAP canister vent valve
EVAP leak detection pump
Both of the following conditions 1 and 2 are set before
key-off
1. Duration that vehicle has been driven
2. EVAP purge operation
ECT
IAT
Key-off monitor sequence 1 to 8
1. Atmospheric pressure measurement
Next sequence is run if the following condition is met
Atmospheric pressure change
2. First reference pressure measurement
Next sequence is run if the following conditions are met Conditions 1, 2 and 3
1. EVAP pressure just after reference pressure
measurement start
2. Reference pressure
3. Reference pressure
3. EVAP canister vent valve close stuck check
Next sequence is run if the following condition is met
EVAP pressure change after vent valve is ON
4. Vacuum introduction
Next sequence is run if the following condition is met
EVAP pressure
5. EVAP canister purge valve close stuck check
Next sequence is run if the following condition is met
EVAP pressure change after purge valve is open
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
None
-
70 to 110 kPa (525 to 825 mmHg)
10.5 V or more
2.5 mph (4 km/h) or less
OFF
5 or 7 or 9.5 hours
Not detected
Not operated by scan tool
Not operated by scan tool
Not operated by scan tool
-
5 minutes or more
Performed
4.4 to 35°C (40 to 95°F)
4.4 to 35°C (40 to 95°F)
-
Less than 0.3 kPa (2.25 mmHg) in 1 second
-1 kPa (-7.5 mmHg) or less
-4.85 to -1.057 kPa (-36.384 to -7.929 mmHg)
Saturated
-
0.3 kPa (2.25 mmHg) or more
-
Saturated within 15 minutes
-
0.3 kPa (2.25 mmHg) or more
P2420: Vent valve stuck open (vent)
Purge VSV and pump module
Once per driving cycle
Within 2 minutes
2 driving cycles
None
ES–383
ES