DTC P2088:00 [L5]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSES
| DTC P2088:00 |
OCV circuit low input |
| DETECTION CONDITION |
- The PCM monitors the OCV voltage. If the PCM detects the OCV control voltage (calculated from the OCV) is below the threshold voltage (calculated from the battery positive voltage), the PCM determines that the OCV 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 is available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- OCV connector or terminal malfunction
- Short to ground in wiring harness between OCV terminal B and main relay terminal D
- Open circuit in wiring harness between OCV terminal B and main relay terminal D
- PCM connector or terminal malfunction
- Short to ground in wiring harness between OCV terminal A and PCM terminal 2E
- OCV malfunction
- Open circuit in wiring harness between OCV terminal A and PCM terminal 2E
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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