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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 623 (ON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM])DTC P2502NOTES
2008 Mazda 6 s Sport, 4D Hatchback, Standard

DTC P2502: 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 P2502 DETECTION & CONDITION POSSIBLE CAUSES

DTC P2502 Charging system voltage problem
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 16.9 V  and the battery voltage is less than 10.9 V  , the PCM determines that there is a charging system voltage malfunction.

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
  • Battery malfunction
  • Connector or terminal malfunction
  • Open circuit in wiring harness between battery positive terminal and generator terminal B
  • Short to ground in wiring harness between battery positive terminal and generator terminal B
  • PCM malfunction
G04562692Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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