Corolla Sport Coupe L4-1587cc 1.6L DOHC (4A-F) (1988)
Blower Motor Relay: Testing and Inspection
Heater Main (Blower) Relay Testing
INSPECT RELAY OPERATION
With No Power Applied
Continuity should exist between terminals 1 and 3 and also 2 and 4. If not as specified, replace the relay.
With Power Applied
Apply power to terminals 1 and 3. Continuity should exist between terminals 4 and 5. If not as specified, replace the relay.