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Mazda
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2007
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B2300 L4-2.3L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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U Code Charts
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U1020
U1020
DTC U1020 Data Circuit
Condition:
SCP Invalid or Missing Data for Air Conditioning Clutch.
Symptom Related Diagnostic Procedures