Toyota Celica 2005 Repair Manual page 719

DI−520
13 Check for open and short in harness and connector between
and ECM (See page IN−30).
sor
OK
Replace ECM (See page SF−78).
14 Check EVAP VSV.
Air
E
F
VSV is ON
NG
15 Check operation of EVAP VSV (See page SF−61).
OK
2005 CELICA (RM1131U)
DIAGNOSTICS
EVP
Air
E
F
VSV is OFF
A19638
− ENGINE (2ZZ−GE)
NG Repair or replace harness or connector.
PREPARATION:
(a) Remove the ECM cover.
(b) Turn the ignition switch ON.
CHECK:
Check the VSV function.
(1) Connect the terminal EVP of the ECM connector
and body ground (ON).
(2) Disconnect the terminal EVP of the ECM connector
and body ground (OFF).
OK:
(1) VSV is ON:
Air from port E flows out through port F.
(2) VSV is OFF:
Air does not flow from port E to port F.
OK Go to step 17.
NG Replace EVAP VSV.
718
vapor pressure sen-