Blower Motor Relay: Testing and Inspection

INSPECTION

1. REMOVE RELAY




a. Remove the relay from the engine room J/B.




b. Remove the relay from the engine room R/B No.3.







2. INSPECT HEATER MAIN RELAY CONTINUITY
If continuity is not as specified, replace the relay.







3. INSPECT COOLING FAN NO.2 RELAY CONTINUITY
If continuity is not as specified, replace the relay.







4. INSPECT MAGNETIC CLUTCH, COOLING FAN NO.1, 3, HEATER 1, 2, WATER PUMP RELAY CONTINUITY
If continuity is not as specified, replace the relay.







5. INSPECT HEATER 3 RELAY CONTINUITY
If continuity is not as specified, replace the relay.