Toyota Celica 2005 Repair Manual page 609

DI−410
3 Are there any other codes (besides DTC P0128) being output?
PREPARATION:
(a) Connect the hand−held tester or the OBD II scan tool to the DLC3.
(b) Turn the ignition switch ON and push the hand−held tester or the OBD II scan tool main switch ON.
(c) When using hand−held tester, enter the following menu: DIAGNOSIS / ENHANCED OBD II / DTC
INFO / CURRENT CODES.
CHECK:
Read the DTCs.
RESULT:
Display (DTC output)
"P0128" and other DTCs
HINT:
If any other codes besides P0128 is output, perform the troubleshooting for those DTCs first.
A
Replace ECM (See page SF−78).
2005 CELICA (RM1131U)
DIAGNOSTICS
P0128
− ENGINE (2ZZ−GE)
B Go to relevant DTC chart (See page DI−335).
608
Proceed to
A
B