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DTC P0328 [LF]: Notes

DTC P0328 (LF) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0328 KS circuit high input
DETECTION CONDITION 
  • The PCM monitors the input signal from the KS when the engine is running. If the input voltage is above 4.58 V  the PCM determines that the KS circuit has a malfunction.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • The MIL illuminates if the PCM detects the above malfunction conditions during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2/Mode 12) is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • KS connector or terminals malfunction
  • KS malfunction
  • PCM connector or terminals malfunction
  • Short to power supply in wiring harness between KS terminal A and PCM terminal 2U
  • Short to power supply in wiring harness between KS terminal B and PCM terminal 2V
  • KS signal circuit and ground circuit are shorted to each other
  • PCM malfunction
G06149979Courtesy of MAZDA MOTORS CORP.
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