Radiator Cooling Fan Motor Relay: Testing and Inspection

1. Both fans do not work:
a. Check fuse F5 by operating cruise control.
b. Check temperature electronic control unit.
2. Cooling fan A does not work:
a. Check cooling fan A.
b. Check cooling fan low speed relay and cooling fan relay A.
c. Check ground.
3. Cooling fan B does not work:
a. Check cooling fan relay B.
b. Check cooling fan B and ground.