Toyota Celica 2005 Repair Manual page 1588

2
1
30
20
10
5
3
2
1
0.5
0.3
0.2
0.1
−20 0 20
(80) (104)
(−4) (32)
TEMPERATURE°C (°F)
2005 CELICA (RM1131U)
Ohmmeter
Acceptable
40 60 80 100
(176) (212)
(140)
B00208
SFI − ENGINE COOLANT TEMPERATURE (ECT) SENSOR
INSPECTION
1. DRAIN ENGINE COOLANT
2. REMOVE NO.2 CYLINDER HEAD COVER
3. REMOVE ECT SENSOR
4. INSPECT ECT SENSOR RESISTANCE
Using an ohmmeter, measure the resistance between terminals
1 (E2) and 2 (THW).
Resistance: Refer to the graph
If the resistance is not as specified, replace the ECT sensor.
5. REINSTALL ECT SENSOR
Install a new gasket to the ECT sensor.
6. REINSTALL NO.2 CYLINDER HEAD COVER
7. FILL RADIATOR WITH ENGINE COOLANT
1587
SF−67
SF163−05