DTC P2507:00: Notes
DTC DETECTING CONDITION REFERENCE CHART
| DTC P2507:00 |
PCM battery voltage low |
| DETECTION CONDITION |
- The PCM monitors the voltage of back-up battery positive terminal. If the PCM detects battery positive terminal voltage below 6 V for 5 s
when the battery voltage is more than 8 V
, the PCM determines that the backup voltage circuit has a malfunction.
Diagnostic support note
- This is a continuous monitor (CCM).
- The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA (Mode 2)/Snapshot is available.
- The DTC is stored in PCM memory.
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| POSSIBLE CAUSE |
- ENG+B 10 A fuse malfunction
- Battery malfunction
- PCM connector or terminal malfunction
- Short to ground in wiring harness between battery positive terminal and PCM terminal 1C
- Open circuit in wiring harness between battery positive terminal and PCM terminal 1C
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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