Mazda CX-9 Grand Touring 2009 Manual page 842

3. Install the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR
REMOVAL/INSTALLATION [MZI-3.7].)
RESISTANCE INSPECTION
1. Remove the CKP sensor connector.
2. Measure the resistance between the CKP sensor terminals.
If not within the specification, replace the CKP sensor. (See CRANKSHAFT POSITION (CKP)
SENSOR REMOVAL/INSTALLATION [MZI-3.7].)
If the monitor item status/specification (reference) is not within the specification, even though the
resistance is within the specification, perform the "Circuit Open/Short Inspection".
CKP sensor resistance
250-1,000 ohms
CIRCUIT OPEN/SHORT INSPECTION
Fig. 22: Identifying CKP Sensor And PCM Harness Side Connector
Courtesy of MAZDA MOTORS CORP.
1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZI-3.7].)
2008 Mazda CX-9 Grand Touring
2008 ENGINE Control System (MZI-3.7) - Mazda CX-9