Mazda CX-9 Grand Touring 2007 Manual page 612

2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Short to ground circuit between PCV valve heater fitting terminal B and PCM term
2AU
Short to power circuit between PCV valve heater control terminal B and PCM term
2BL
Short to power circuit between PCV valve heater fitting terminal B and PCM term
POSSIBLE CAUSE
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