Toyota Celica 2005 Repair Manual page 282

2 Check for open in harness or ECM.
ON
Intake Air Temp.
Sensor
2
1
NG
2005 CELICA (RM1131U)
DIAGNOSTICS
PREPARATION:
(a) Disconnect the intake temp. sensor connector.
(b) Connect sensor wire harness terminals together.
(c) Turn the ignition switch ON.
ECM
(d) When using hand−held tester, enter the following menus:
5V
22
DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / IN-
THA
E4
18
TAKE AIR.
E2
E4
CHECK:
E1
Read temperature value on the OBD II scan tool or the hand−
A00391
held tester.
OK:
Temperature value: 140°C (284°F) or more
OK
− ENGINE (1ZZ−FE)
Confirm good connection at sensor. If OK,
replace intake air temperature sensor.
281
DI−83