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Mazda
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2004
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3 s, 4D Hatchback, Standard
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control System
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Rear Heated Oxygen Sensor (Ho2S) Inspection
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Open circuit
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Open circuit
If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
HO2S terminal A and PCM terminal 2AD
HO2S terminal B and PCM terminal 2AA