| DTC P2503:00 |
Charging system voltage low |
| DETECTION CONDITION |
- The PCM needs more than 20 A
from the generator, and determines that the generator output voltage is below 8.5 V
for 5 s
while the engine running.
Diagnostic support note
- This is a continuous monitor (other).
- The MIL does not illuminate.
- FREEZE FRAME DATA (Mode2)/Snapshot data is not available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- Drive belt exceed limit
- Generator connector or terminal malfunction
- Short to ground in wiring harness between generator terminal D and PCM terminal 2AA
- Short to ground in wiring harness between generator terminal P and PCM terminal 2AF
- PCM connector or terminal malfunction
- Open circuit in wiring harness between generator terminal D and PCM terminal 2AA
- Open circuit in wiring harness between generator terminal P and PCM terminal 2AF
- Generator malfunction
- PCM malfunction
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