Toyota Celica 2005 Repair Manual page 1309

DI−1108
DIAGNOSTICS − CRUISE CONTROL SYSTEM (2ZZ−GE)
3 Check for open in harness and connector between ECU and GAUGE fuse (See
page IN−30).
NG Repair or replace harness or connector.
OK
Check and replace ECM (See page IN−30).
2005 CELICA (RM1131U)
1308