Toyota 2GR-FE Manual page 575

A
5
PERFORM EVAP SYSTEM CHECK (STEP 1/5 TO 2/5)
Purge VSV
Vent Valve
Leak Detection
Pump
EVAP Pressure
Positive
Negative
First Refer-
ence
Pressure
Steps
1/5
Time
10 seconds
(Reference)
Result
DTCs*
Virtually no variation in EVAP pressure during
- step 1/5. Then decreases to reference
pressure
Small difference between EVAP pressures
P2402
during steps 1/5 and 2/5
A
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
Leak Detection Pump Stuck ON
2/5
60
seconds
(a) Check the EVAP pressure in steps 1/5 and 2/5.
Test Results
*: These DTCs are already present in the ECM when the
vehicle arrives and are confirmed in the "CONFIRM
DTC" procedures above.
HINT:
The first reference pressure is the value determined in
step 2/5.
B
ON
ON
ON
Suspected Trouble Areas
Not yet determined
Leak detection pump stuck ON
Go to step 22
ES–419
ON: Open
OFF: Closed
ON: Closed
OFF: Vent
A106737E08
Proceed to
A
B
ES