Mazda CX-9 Grand Touring 2009 Manual page 807

2008 ENGINE PERFORMANCE Emission System (MZI-3.7) - Mazda CX-9
Fig. 22: Identifying PCV Valve Hose, PCV Valve Heater Control Connector, PCV Valve And O-
Ring
Courtesy of MAZDA MOTORS CORP.
3. Install in the reverse order of removal.
POSITIVE CRANKCASE VENTILATION (PCV) VALVE HEATER FITTING
INSPECTION [MZI-3.7]
RESISTANCE INSPECTION
1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)
2. Disconnect the PCV valve heater fitting connector.
3. Measure the resistance between the PCV valve terminals.
If within the specification, perform out the "Circuit Open/Short Inspection".
If not within the specification, replace the PCV valve heater fitting. (See POSITIVE
CRANKCASE VENTILATION (PCV) VALVE HEATER FITTING
REMOVAL/INSTALLATION [MZI-3.7].)
PCV valve heater fitting resistance 10-35 ohms
2008 Mazda CX-9 Grand Touring