| DETECTION CONDITION |
- The PCM determines that the generator output voltage is above 17 V
and battery voltage is below 11 V
for 5 s
while the engine is running.
Diagnostic support note
- This is a continuous monitor (other).
- The check engine light does not illuminate.
- FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
- The DTC is stored in the PCM memory.
|
| FAIL-SAFE FUNCTION |
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| POSSIBLE CAUSE |
- Battery malfunction
- Loose generator terminal B installation nut
- Battery positive terminal is poorly connected
- Short to ground or open circuit in battery charging circuit
- Short to ground in wiring harness between MAIN ST 250 A fuse and generator terminal B
- MAIN ST 250 A fuse malfunction
- Open circuit in wiring harness between battery positive terminal and generator terminal B
- Generator malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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