LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2010 >> 3 i SV, 2.0 F >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System LF, L5] >> DTC P0571:00 >> Notes

DTC P0571:00: Notes

DTC P0571:00 (LF, L5) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0571:00 Brake switch circuit problem
DETECTION CONDITION 
  • The PCM monitors changes in input voltage for brake switch No. 1 and No. 2 (signal from instrument cluster). If the PCM detects that both brake switches No. 1 and No. 2 remain on or off for 15 s  , it determines that the brake switch circuit has a malfunction.

    Diagnostic support note 

  • This is a continuous monitor (other).
  • The MIL does not illuminate.
  • FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
CAUTION:
  • Inspect the brake switch with it installed to the brake pedal, otherwise the brake switch may no operate normally. If the brake switch is removed from the brake pedal, replace the brake switch with a new one.
  • Brake switch connector or terminals malfunction
  • Instrument cluster connector or terminals malfunction
  • Open circuit in wiring harness between brake switch terminal B and body ground
  • Short to ground in wiring harness between brake switch terminal C and instrument cluster terminal 2N
  • Short to power supply in wiring harness between brake switch terminal C and instrument cluster terminal 2N
  • Open circuit in wiring harness between brake switch terminal C and instrument cluster terminal 2N
  • Instrument cluster malfunction
  • Brake switch malfunction
  • PCM malfunction
G06733869Courtesy of MAZDA MOTORS CORP.
scientia non olet · About LEMON Manuals