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HOMESERVICE MANUALSMAZDA20066 S, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM AJ]DTC P0571NOTES
2006 Mazda 6 s, 4D Sedan, Standard

DTC P0571: Notes

2006 Mazda 6 s, 4D Sedan, StandardSECTION Notes
DTC P0571 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0571 Brake switch circuit malfunction
DETECTION CONDITION 
  • The PCM monitors changes the input voltage for brake switch No.1 and No.2. If the PCM detects that both brake switches No.1 and No.2 remain on or off for 15 s  , the PCM 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 is not available.
  • DTC is stored in PCM memory.
POSSIBLE CAUSE 
  • Brake switch malfunction
  • Connector or terminal malfunction
  • Open circuit between brake switch terminal C and body ground
  • Short to ground circuit between brake switch terminal A and PCM terminal 1 AF
  • Open circuit between brake switch terminal A and PCM terminal 1AF
  • PCM malfunction
G04324202
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.