DTC P2089: Notes
DETECTION CONDITION AND POSSIBLE CAUSE (DTC P2089)
| DTC P2089 |
Oil control valve (OCV) circuit high |
| DETECTION CONDITION |
- The PCM monitors the OCV voltage. If the PCM detects that the OCV control voltage (calculated from the OCV) is above the threshold voltage (calculated from 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.
- PENDING CODE is available if the PCM detects the above malfunction condition.
- FREEZE FRAME DATA is available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- Poor connection at the PCM or OCV connector
- Short to power circuit in wiring between OCV terminal A and PCM terminal 2E
- OCV malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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