toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Radiator Cooling Fan Motor Relay|Testing and Inspection|Page 42 > < Traction Control Relay|Description and Operation
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Radiator Cooling Fan Motor Relay: Testing and Inspection

INSPECTION

1. REMOVE RELAY BOX COVER
2. INSPECT NO.1 COOLING FAN RELAY

a. Remove the No.1 cooling fan relay. (Marking: FAN NO.1)

b. Inspect the No.1 cooling fan relay continuity.

1. Using an ohmmeter, check that there is continuity between terminals 1 and 2.

If there is no continuity, replace the relay.

2. Check that there is continuity between terminals 3 and 4.

If there is no continuity, replace the relay.

c. Inspect the No.1 cooling fan relay operation.

1. Apply battery positive voltage across terminals 1 and 2.
2. Using an ohmmeter, check that there is no continuity between terminals 3 and 4.

If there is continuity, replace the relay.

d. Reinstall the No.1 cooling fan relay.

3. INSPECT NO.2 COOLING FAN RELAY

a. Remove the No.2 cooling fan relay. (Marking: FAN NO.2)

Radiator Cooling Fan Motor Relay|Testing and Inspection|Page 42 > < Traction Control Relay|Description and Operation