Mazda CX-9 Grand Touring 2009 Manual page 844

Courtesy of MAZDA MOTORS CORP.
CAMSHAFT POSITION (CMP) SENSOR INSPECTION [MZI-3.7]
NOTE:
Before performing the following inspection, make sure to follow the
procedure as indicated in the troubleshooting flowchart. (See HOW TO
USE THIS MANUAL .)
VISUAL INSPECTION
1. Remove the CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR
REMOVAL/INSTALLATION [MZI-3.7].)
2. Verify that there are no metal shavings on the CMP sensor.
3. Install the CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR
REMOVAL/INSTALLATION [MZI-3.7].)
RESISTANCE INSPECTION
1. Remove the CMP sensor connector.
2. Measure the resistance between the CMP sensor terminals.
If not within the specification, replace the CMP sensor. (See CAMSHAFT POSITION (CMP)
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".
CMP sensor resistance
800-1,320 ohms
CIRCUIT OPEN/SHORT INSPECTION
2008 Mazda CX-9 Grand Touring
2008 ENGINE Control System (MZI-3.7) - Mazda CX-9