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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> On-Board Diagnostic - Engine Control System (1 Of 5) >> DTC P0140-00: HO2S Circuit No Activity Detected >> PID Item/Simulation Item Used In Diagnosis

PID Item/Simulation Item Used In Diagnosis

PID/DATA MONITOR ITEM TABLE

Item Definition Unit Condition/Specification
HTR12 HO2S heater operation status Off/On
  • Ignition switched ON (engine off): Off
  • Idle (after warm up): On
HO2S heater control duty value %
  • Ignition switched ON (engine off): 0%
  • Idle (after warm up): Approx. 53%
O2S12 HO2S voltage V
  • Idle (after warm up): 0-1.0 V
  • Deceleration fuel cut (accelerator pedal released from engine speed of 4, 000 rpm or more): Approx. 0 V
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