DTC P3403-00: OCV For No. 1 Cylinder Deactivation Circuit Low Input: Notes
WARNING: This page is about a different variant/trim than selected.
DTC P3403-00: (PCM, VIN M) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC P3403-00: |
OCV for No. 1 cylinder deactivation circuit low input |
| DETECTION CONDITION |
- A condition continues for a specified period of time in which the OCV control voltage or current for No. 1 cylinder deactivation relative to the PCM control is less than the specified value.
Diagnostic support note
- This is a continuous monitor (CCM).
- The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA/Snapshot data is available.
- DTC is stored in the PCM memory.
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| FAIL-SAFE FUNCTION |
- Inhibits the cylinder deactivation control.
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| POSSIBLE CAUSE |
- Oil control valve (OCV) for No. 1 cylinder deactivation connector or terminals malfunction
- PCM connector or terminals malfunction
- Open circuit in wiring harness between the following terminals:
- OCV for No. 1 cylinder deactivation terminal A-PCM terminal 1CI
- OCV for No. 1 cylinder deactivation terminal B-PCM terminal 1CJ
- Short to ground in wiring harness between the following terminals:
- OCV for No. 1 cylinder deactivation terminal A-PCM terminal 1CI
- OCV for No. 1 cylinder deactivation terminal B-PCM terminal 1CJ
- OCV for No. 1 cylinder deactivation circuits are shorted to each other
- OCV for No. 1 cylinder deactivation malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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