Toyota Celica 2005 Repair Manual page 580

5 Check for short in harness or ECM.
Mass Air Flow Meter
E10 Connector
A19551
NG
Replace ECM (See page SF−78).
2005 CELICA (RM1131U)
DIAGNOSTICS
PREPARATION:
(a) Remove the ECM cover.
ECM
(b) Disconnect the E10 connector from the ECM.
HINT:
THA
The mass air flow meter connector is disconnected.
(c) Turn the ignition switch ON.
E2
(d) When using hand−held tester, enter the following menu:
DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL
DADA / INTAKE AIR.
CHECK:
Read the temperature value on the OBD II scan tool or hand−
held tester.
OK:
Temperature value: −40°C (−40°F)
A19635
OK
579
− ENGINE (2ZZ−GE)
Repair or replace harness or connector.
DI−381