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