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Toyota Workshop Service and Repair Manuals

Relays and Modules - Cruise Control > < No. 1 Cooling Fan Relay Inspection|Page 84
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Radiator Cooling Fan Motor Relay: Testing and Inspection
No. 3 Cooling Fan Relay Inspection (With A/C)

1. Remove relay box cover.
2. Remove No. 3 cooling fan relay.
3. Inspect No. 3 cooling fan relay.

A. Inspect relay continuity.

(a)

Using an ohmmeter, check that there is continuity between terminals 1 and 2.
If there is no continuity, replace the relay.

(b) Check that there is no continuity between terminals 3 and 5.

If there is continuity, replace the relay.

B. Inspect relay operation.

(a)

Apply battery voltage across terminals 1 and 2.

(b) Using an ohmmeter, check that there is continuity between terminals 3 and 5.

If there is no continuity, replace the relay.

4. Reinstall No. 3 cooling fan relay.
5. Reinstall relay box cover.

Relays and Modules - Cruise Control > < No. 1 Cooling Fan Relay Inspection|Page 84