Blower Motor Relay: Testing and Inspection

BLOWER MOTOR RELAY INSPECTION

1. Disconnect negative (-) cable at battery.
2. Remove blower motor relay (1) from vehicle.
3. Check that there is no continuity between terminal "c" and "d". If there is continuity, replace relay.




4. Connect battery positive (+) terminal to terminal "b" of relay.
Connect battery negative (-) terminal to terminal "a" of relay.
Check continuity between terminal "c" and "d".
If there is no continuity when relay is connected to the battery, replace relay.