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Mazda Truck
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1991
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B Series Truck 2WD L4-2184cc 2.2L 2200 2-bbl
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Repair and Diagnosis
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Heating and Air Conditioning
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Compressor HVAC
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Compressor Clutch
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Testing and Inspection
Compressor Clutch: Testing and Inspection
The A/C clutch circuit signals the ECU at terminal 2C. Voltage should read approximately 12V with A/C "ON" and 0V with A/C "OFF."