Toyota 3S-GE Repair Manual page 354

EG-340
ENGINE —— COOLING SYSTEM
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No.1 Cooling Fan Relay ('FAN NO.1')
NO.1 COOLING FAN RELAY INSPECTION
1. REMOVE RELAY BOX COVER
2. REMOVE NO.1 COOLING FAN RELAY
3. INSPECT NO.1 COOLING FAN RELAY
A. Inspect relay continuity
(a) Using an ohmmeter, check that there is continuity
between terminals I and 2.
(b) Check that there is continuity between terminals 3
and 4. I
If continuity is not as specified, replace the relay.
B. Inspect relay operation
(a) Apply battery voltage across terminals 1 and 2.
(b) Using an ohmmeter, check that there is no continuity
between terminals 3 and 4.
If operation is not as specified, replace the relay.
4. REINSTALL NO.1 COOLING FAN RELAY
5. REINSTALL RELAY BOX COVER