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Home >> Mazda >> 2002 >> MX-5 Miata Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0032: Front Heated Oxygen Sensor Heater Control Circuit High >> Detection Condition

Detection Condition

Diagnostic Trouble Code (DTC) is set when Powertrain Control Module (PCM) detects high input voltage from ground side of front HO2S heater circuit after PCM turns HO2S heater circuit on. This is an intermittent monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Pending codes is available if PCM detects malfunction during first drive cycle. Freeze Frame Data is available and DTC will store in PCM memory.

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