Inspection

2AZ-FE COOLING: COOLING FAN SYSTEM:

INSPECTION

1. INSPECT FAN NO.1 AND FAN NO.3 RELAY





(a) Check the resistance of the relay.
Resistance:





If the result is not as specified, replace the relay.
2. INSPECT FAN NO.2 RELAY





(a) Check the resistance of the relay.
Resistance:





If the result is not as specified, replace the relay.
3. INSPECT ENGINE COOLANT TEMPERATURE SENSOR





(a) Check the resistance between terminals 1 and 2.
Resistance:





If the result is not as specified, replace the sensor.

NOTE: When checking the ECT sensor in the water, the terminals should be kept dry. After the check, dry the sensor.