toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Relays and Modules - Cruise Control > < No. 1 Cooling Fan Relay Inspection|Page 78
Page 1
background image

Radiator Cooling Fan Motor Relay: Testing and Inspection
No. 3 Cooling Fan Relay Inspection (With A/C)

INSPECTION

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 85 and 86.
If there is no continuity, replace the relay.

(b) Check that there is no continuity between terminals; 30 and 87.

If there is continuity, replace the relay.

B. Inspect Relay Operation.

(a)

Apply battery voltage across terminals 85 and 86.

(b) Using an ohmmeter, check that there is continuity between terminals 30 and 87.

If there is no continuity, replace the relay.

4. Reinstall No. 3 cooling fan relay.

Relays and Modules - Cruise Control > < No. 1 Cooling Fan Relay Inspection|Page 78