Toyota 2GR-FE Manual page 576

ES–420
6
PERFORM EVAP SYSTEM CHECK (STEP 2/5)
Purge VSV
Vent Valve
Leak Detection
Pump
ES
EVAP Pressure
Positive
Negative
First Reference
Pressure
Standard
Steps
Time
(Reference)
Result
DTCs*
EVAP pressure in step (b) between -4.85 kPa-g
- and -1.057 kPa-g (-36.4 mmHg-g and -7.93
mmHg-g)
P043F and EVAP pressure in step (b) -1.057 kPa-g (-7.93
P2401 mmHg-g) or more
EVAP pressure in step (b) below -4.85 kPa-g (-
P043E
36.4 mmHg-g)
EVAP pressure in step (a) more than -1.057
P2419
kPa-g (-7.93 mmHg-g)
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
4 seconds
2/5
60
seconds
HINT:
Make a note of the pressures checked in steps "A" and "B"
below.
(a) Check the EVAP pressure 4 seconds after the leak
detection pump is activated* (Step "A").
*: The leak detection pump begins to operate as step 1/5
finishes and step 2/5 starts.
(b) Check the EVAP pressure again when it has stabilized.
This pressure is the reference pressure (Step "B").
Test Results
*: These DTCs are already present in the ECM when the
vehicle arrives and are confirmed in the "CONFIRM DTC"
procedures above.
ON
ON
Leak Detection Pump Stuck OFF
Reference Orifice High-flow
Vent Valve Stuck Closed
OK
Reference Orifice Clogged
3/5
Within 15 minutes
Suspected Trouble Areas
Not yet determined
• Reference orifice high-flow
• Leak detection pump stuck OFF
Reference orifice clogged
Vent valve stuck closed
ON: Open
ON
OFF: Closed
ON: Closed
OFF: Vent
Proceed to
A
B
C
D
A106738E05