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Compressor Clutch Relay: Testing and Inspection


NOTE:
The Wide Open Throttle (WOT) A/C Cutout Relay is a normally closed type relay.
When the relay is energized current flow to the A/C compressor clutch is interrupted.


View: Main Fuse/Relay Box (Power Distribution Box):





WITHOUT VOLTAGE APPLIED
- Remove the WOT A/C Cutout Relay from its connector in the Main Fuse/Relay Box (Power Distribution Box).


WOT A/C Cutout Relay:





- Check for continuity across relay terminals DG/O and B/Y.

- If continuity exists, relay is OK.
- If no continuity exists, replace relay.

WITH VOLTAGE APPLIED
- Apply battery voltage across relay terminals R and P/Y.
- Re-check for continuity across terminals DG/O and B/Y.

- If continuity still exists, replace relay.
- If no continuity exists, relay is OK.