Celica 2WD L4-2.0L (3S-FE) (1988)
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(A140L Automatic Transaxle)
a. Disconnect the thermo switch connector.
b. Using an ohmmeter, measure the resistance between terminal 1 and body ground.
Coolant temperature:
Below 43°C (109°F) 0 ohms
Above 55°C (131°F) infinity ohms.
c. Connect the thermo switch connector.
