Mazda CX-9 Grand Touring 2007 Manual page 129

CIRCUIT OPEN/SHORT INSPECTION
1. Disconnect the PCM connector.
2. Inspect the following wiring harnesses for open or short circuit (continuity check).
Fig. 20: Identifying PCV Valve Heater Control Connector Terminals
Courtesy of MAZDA MOTORS CORP.
Fig. 21: Identifying Relay Connector Terminals
Courtesy of MAZDA MOTORS CORP.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9