DTC P2503: Notes
DETECTION CONDITION AND POSSIBLE CAUSE (DTC P2503)
| DTC P2503 |
Charging system voltage low |
| DETECTION CONDITION |
- PCM needs more than 20 A
from generator, and judges generator output voltage to be below 8.5 V
during engine running.
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 during the first drive cycle.
- FREEZE FRAME DATA is available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- Generator malfunction
- PCM and/or generator are poorly connected
- Open and/or short to ground in wiring from between generator terminal P and PCM terminal 2AJ
- Open and/or short to ground in wiring from between generator terminal D and PCM terminal 2AI
- Drive chain misadjustment
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 Courtesy of MAZDA MOTORS CORP.
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