Toyota Celica 2005 Repair Manual page 741

DI−542
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.
Air
E
F
CCV is ON
NG
2005 CELICA (RM1131U)
DIAGNOSTICS
CCV
Air
E
F
CCV is OFF
A19639
− 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 CCV function.
(1) Connect the terminal CCV of the ECM connector
and body ground (ON).
(2) Disconnect the terminal CCV of the ECM connector
and body ground (OFF).
OK:
(1) CCV is ON:
Air does not flow from port E to port F.
(2) CCV is OFF:
Air from port E flows out through port F.
OK Go to step 20.
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