DTC P053A: Notes
DTC P053A (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P053A |
PCV valve heater control circuit/open |
| DETECTION CONDITION |
- This DTC is set when the PCM detects a PCV valve heater circuit malfunction.
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| POSSIBLE CAUSE |
- Open circuit between PCV valve heater control terminal A and main relay No.1
- Open circuit between PCV valve heater fitting terminal A and main relay No.1
- Short to ground circuit between PCV valve heater control terminal B and PCM terminal 2BL
- Short to ground circuit between PCV valve heater fitting terminal B and PCM terminal 2AU
- Short to power circuit between PCV valve heater control terminal B and PCM terminal 2BL
- Short to power circuit between PCV valve heater fitting terminal B and PCM terminal 2AU
- Open circuit between PCV valve heater control terminal B and PCM terminal 2BL
- Open circuit between PCV valve heater fitting B and PCM terminal 2AU
- Connector or terminal malfunction
- Damaged PCV heater assembly
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 Courtesy of MAZDA MOTORS CORP.
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