LEMON Manuals
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Mazda
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2008
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5 Touring, 2.3 L
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Engine Control System (L3)
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Front Heated Oxygen Sensor (Ho2S) Inspection [L3]
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Front HO2S Circuit Open/Short Inspection (Sensor)
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Open circuit
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Open circuit
If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
Front HO2S terminal B and PCM terminal 2AD
Front HO2S terminal D and PCM terminal 2AC
Front HO2S terminal F and PCM terminal 2Z