Compressor Clutch Relay: Testing and Inspection

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, and there should be no continuity when power is disconnected.




Compressor clutch relay


NOTE: See Turn Signal/Hazard Relay Input Test

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.

Type 1:

A/C compressor clutch relay