Camry LE Sedan L4-2164cc 2.2L DOHC (5S-FE) MFI (2000)
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Coolant Temperature Sensor / Switch HVAC: Testing and Inspection
INSPECTION
1. DRAIN ENGINE COOLANT FROM RADIATOR
HINT: It is not necessary to drain out all the coolant.
2. REMOVE ECT SWITCHES
a. Disconnect the connector.
b. Remove the ECT switch.
3. 5S-FE engine:
INSPECT ECT SWITCH CONTINUITY
a. Using an ohmmeter, check that no continuity exists between the terminals when the coolant temperature is above 93 °C (199 °F).
If continuity exists, replace the switch.
b. Using an ohmmeter, check that continuity exists between the terminals when the coolant temperature is below 83 °C (181 °F).
If no continuity exists, replace the switch.
