POSITIVE CRANKCASE VENTILATION (PCV) VALVE HEATER FITTING
INSPECTION [MZI-3.5]
RESISTANCE INSPECTION
1. Disconnect the negative battery cable. (see
BATTERY REMOVAL/INSTALLATION [MZI-3.5]
.)
2. Disconnect the PCV valve heater fitting connector.
3. Measure the resistance between the PCV valve terminals.
z
If within the specification, perform out the "Circuit Open/Short Inspection".
z
If not within the specification, replace the PCV valve heater fitting. (See
POSITIVE
CRANKCASE VENTILATION (PCV) VALVE HEATER FITTING
REMOVAL/INSTALLATION [MZI-3.5]
.)
PCV valve heater fitting resistance
10-35 ohms
Fig. 24: Identifying PCV Valve Heater Fitting Connector Terminals
Courtesy of MAZDA MOTORS CORP.
CIRCUIT OPEN/SHORT INSPECTION
1. Disconnect the PCM connector.
2. Inspect the following wiring harnesses for open or short circuit (continuity check).
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:24:50 AM
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