DTC P2503: Notes
DTC P2503 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P2503 |
Generator output voltage signal no electricity |
| DETECTION CONDITION |
- The PCM needs 20 A or more
from the generator, and determines the generator output voltage to be 8.5 V or below
when the engine is 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.
- FREEZE FRAME DATA is not available.
- DTC is stored in PCM memory.
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| POSSIBLE CAUSE |
- Generator malfunction
- Rectifier circuit malfunction
- Brush abrasion
- Connector or terminal malfunction
- Open or short to GND circuit between generator terminal D and PCM terminal 36
- Open or short to GND circuit between generator terminal P and PCM terminal 63
- Drive belt cut/damaged or drive belt came off
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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