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DTC P0130 [LF]: Notes

DTC P0130 (LF) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0130 A/F sensor circuit problem
DETECTION CONDITION 
  • The PCM monitors the A/F sensor impedance when under the A/F sensor heater control. If the impedance is more than 500 ohms  , the PCM determines that there is a A/F sensor circuit problem.

Diagnostic support note 
  • This is a continuous monitor (A/F sensor, HO2S).
  • The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
  • PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2/Mode 12) is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • A/F sensor connector or terminals malfunction
  • PCM connector or terminals malfunction
  • Open circuit in wiring harness between A/F sensor terminal A and PCM terminal 2AD
  • Open circuit in wiring harness between A/F sensor terminal B and PCM terminal 2Z
  • A/F sensor malfunction
  • PCM malfunction
G06149969Courtesy of MAZDA MOTORS CORP.
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