Toyota Tundra 2005 Service - Repair - Maintenance page 1185

11 Perform EVAP system step 3/5 check.
Purge VSV
Vent Valve
Vacuum Pump
EVAP Pressure
Positive
Negative
0.02 inch
Leak Pressure
Standard
Steps
Time
(Reference)
(a) Check the EVAP pressure in step 3/5.
Result:
DTCs*
EVAP pressure less than [0.02 inch leak pressure
standard x 0.2]
EVAP pressure more than [0.02 inch leak pressure
standard x 0.2]
*: The DTCs relating to the EVAP system displayed on a hand−held tester when checking.
HINT:
The 0.02 inch leak pressure standard is the value determined in step 2/5.
DIAGNOSTICS
Vacuum Pump Stuck OFF
2/5
Test Results
− ENGINE (2UZ−FE)
ON
ON
0.02 inch Orifice High−flow
3/5
Within 15 minutes
Suspected Trouble Areas
0.02 inch orifice high−flow
Vacuum pump stuck OFF
A Go to step 30.
B Go to step 23.
ON ON: Open
OFF: Closed
ON: Closed
OFF: Vent
DI−901
A23506
Proceed To
A
B