Toyota Celica 2005 Repair Manual page 284

4 Check for short in harness and ECM.
ON
Intake Air Temp.
Sensor
2
1
NG
2005 CELICA (RM1131U)
DIAGNOSTICS
PREPARATION:
(a)
(b)
ECM
(c)
5V
22
THA
E4
18
E2
E4
CHECK:
E1
Read temperature value on the OBD II scan tool or
hand−held tester.
A00393
OK:
OK
− ENGINE (1ZZ−FE)
Disconnect the mass air flow meter connector.
Turn the ignition switch ON.
When using hand−held tester, enter the following menus:
DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / IN-
TAKE AIR.
Temperature value: −40°C (−40°F)
Replace mass air flow meter.
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