Toyota Celica 2005 Repair Manual page 1386

INSPECTION PROCEDURE
1 Check ECM (See page DI−1).
OK
2 Check combination meter (See page BE−50).
OK
3 Check wire harness and connector between combination meter and body ECU,
ECM and combination meter (See page IN−30).
OK
Replace the body ECU.
2005 CELICA (RM1131U)
DIAGNOSTICS − BODY CONTROL SYSTEM
NG Replace the ECM.
NG Replace the combination meter.
NG Repair or replace wire harness or connector.
1385
DI−1185