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A/C clutch Diode specs & continuity?


dlwharleyman

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I was working on the A/C system for a 2007 Escape Hybrid AWD with the 2.3L engine. In the engine power center there is an A/C clutch relay and next to it is a A/C clutch diode. The p/n is F5TZ-14A604-A, sku F5TZ14A604A-CB. I did a continuity check in the both directions and there was no continuity. Assuming it was bad, I ordered another one, which also has no continuity right out of the box. All other one way diodes I've dealt with have continuity in one direction. Am I missing something here on it's functionality? Couldn't find any specs for this part.

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The diode is a clamping diode for the clutch coil when power is removed from it. It should only affect operation if it shorts- which would blow the fuse. Open should not stop operation, but is potentially damaging to other components due to flyback from the coil.

 

I *think* it is like any other diode if I recall right. 

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