Toyota Celica 2005 Repair Manual page 251

DI−52
OBD II scan tool (excluding hand−held tester):
1 Check operation of OCV.
START
(−)
(+)
BE6653
A09089
OK
2 Check for open and short in harness and connector between OCV and ECM
(See page IN−30).
OK
Check and replace ECM (See page SF−78).
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (1ZZ−FE)
PREPARATION:
(a) Start the engine and warm it up.
(b) Disconnect the OCV connector.
(c) Apply battery positive voltage between terminals of the
OCV.
CHECK:
Check the engine speed.
OK:
Rough idle or engine stalled
A09103
NG Replace OCV.
NG Repair or replace harness or connector.
250