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DTC P0460-00: Fuel Level Sensor Circuit Malfunction: AWD: Outline

P0460:00 (PCM, SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE - AWD

System malfunction location Fuel level sensor circuit malfunction
Detection condition
  • The PCM monitors the fuel tank level sensor output signal. If the difference between maximum and minimum value of input signal is 25 % or more for 14 s, the PCM determines that there is a fuel level sensor circuit malfunction. Precondition
  • The following DTCs are not detected:
    • Fuel gauge sender unit: P0462:00 and P0463:00
Fail-safe
  • Not applicable
Possible cause
  • Instrument cluster malfunction
    • Incorrectly installed fuel gauge
      • Fuel level input signal circuit malfunction
  • Fuel gauge sender unit (main) connector or terminals malfunction
  • Fuel gauge sender unit (sub) connector or terminals malfunction
  • Electrical supply unit (ESU) connector or terminals malfunction
  • Short to power supply in any of the following fuel gauge sender unit (main) circuits.
    • Signal circuit
      • Ground circuit
  • Short to power supply in any of the following fuel gauge sender unit (sub) circuits.
    • Signal circuit
      • Ground circuit
  • Short to ground in fuel gauge sender unit (main) signal circuit
  • Short to ground in fuel gauge sender unit (sub) signal circuit
  • Short circuit in fuel gauge sender unit (main) signal circuit and ground circuit
  • Short circuit in fuel gauge sender unit (sub) signal circuit and ground circuit
  • Open circuit in any of the following fuel gauge sender unit (main) circuits.
    • Signal circuit
      • Ground circuit
  • Open circuit in any of the following fuel gauge sender unit (sub) circuits.
    • Signal circuit
      • Ground circuit
  • Fuel gauge sender unit (main) malfunction
  • Fuel gauge sender unit (sub) malfunction
  • PCM malfunction
G13556173Courtesy of MAZDA MOTORS CORP.