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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 623 (ON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM])DTC P2504NOTES
2008 Mazda 6 s Sport, 4D Hatchback, Standard

DTC P2504: Notes

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
WARNING: This page is about a different car, the 2008 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2504 DETECTION & CONDITION POSSIBLE CAUSES

DTC P2504 Charging system voltage high
DETECTION CONDITION 
  • The PCM monitors the generator output voltage and the battery voltage when the engine is running. If the generator output voltage is more than 18.4 V  or the battery voltage is more than 15.9 V  , the PCM determines that the charging system voltage is high.

Diagnostic support note 
  • This is a continuous monitor (Other).
  • The MIL does not illuminate.
  • PENDING CODE is available if the PCM detects the above malfunction condition.
  • FREEZE FRAME DATA is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Generator malfunction
  • Connector or terminal malfunction
  • Short to power supply in wiring harness between generator terminal D and PCM terminal 21
  • PCM malfunction
G04562694Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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