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Mazda
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2003
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B2300 Base, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P1464: A/C Control Signal Malfunction
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Possible Causes
Possible Causes
Possible causes are:
A/C clutch PWR circuit short to power.
A/C was on during self-test.
Damaged A/C clutch relay.
Damaged A/C demand switch.
Damaged PCM.
Short to power on ACCS circuit.