Toyota Celica 2005 Repair Manual page 805

DI−606
4 Check if DTC output recur?
PREPARATION:
(a) Connect the OBD II scan tool to the DLC3.
(b) Disconnect the battery terminals or remove the EFI fuse and ETCS fuses (Clear DTCs).
(c) Start the engine.
(d) Drive the engine at idle for 15 sec. or more.
CHECK:
Read the DTC output.
OK:
No DTC output.
NG
Replace ECM (See page SF−78).
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (2ZZ−GE)
OK System is OK.
804