Mazda CX-9 Grand Touring 2009 Manual page 1112

2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
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
POSSIBLE CAUSE
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