Toyota Celica 2005 Repair Manual page 421

DI−222
16 Check for open and short in harness and connector between EFI main relay
(Marking: EFI) and EVAP VSV, and EVAP VSV and ECM (See page IN−30)
OK
Replace ECM (See page SF−78).
17 Check CCV.
ON
CCV
Air
E
F
BE6653
A09084
VSV is ON
A10312
A10281
NG
18 Check operation of CCV (See page SF−63).
OK
2005 CELICA (RM1131U)
DIAGNOSTICS
PREPARATION:
(a)
(b)
CHECK:
Check the VSV function.
OK:
Air
E
F
VSV is OFF
A09098
− ENGINE (1ZZ−FE)
NG Repair or replace harness or connector.
Remove the ECM cover.
Turn the ignition switch ON.
(1) Connect between terminal CCV of the ECM con-
nector and body ground (VSV ON).
(2) Disconnect between terminal CCV of the ECM con-
nector and body ground (VSV OFF).
(1) VSV is ON:
Air does not flow from port E to port F.
(2) VSV is OFF:
Air from port E flows out through port F.
OK Go to step 20.
NG Replace CCV.
420