Toyota Celica 2005 Repair Manual page 292

5 Check for short in harness or ECM.
ON
Intake Air Temp.
Sensor
A09085
NG
Replace ECM (See page SF−78).
2005 CELICA (RM1131U)
DIAGNOSTICS
ECM
5V
THA
E2
E1
E4 Connector
A09091
− ENGINE (1ZZ−FE)
PREPARATION:
(a) Remove the ECM cover.
(b) Disconnect the E4 connector of the ECM.
HINT:
Engine coolant temp. sensor connector is disconnected.
(c) Turn the ignition switch ON.
(d) When using hand−held tester, enter the following menus:
DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL /
COOLANT TEMP.
CHECK:
Read temperature value on the OBD II scan tool or
hand−held tester.
OK:
Temperature value: −40°C (−40°F)
OK Repair or replace harness or connector.
291
DI−93