Testing and Inspection of Radiator Cooling Fan Motor Relay on TL V6-32L Engine - Page 2550
Radiator Cooling Fan Motor Relay: Testing and Inspection
Radiator Fan Relay Test
Power Relay Test
Use this chart to identify the type of relay, then do the test listed for it.
Normally-open type
Check for continuity between the terminals.
-
There should be continuity between the No. 1 and No. 2 terminals when power and ground are connected to the No. 3 and No. 4 terminals.
-
There should be no continuity between the No. 1 and No. 2 terminals when power is disconnected.