CAMSHAFT POSITION (CMP) SENSOR INSPECTION [MZI-3.7]

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Visual Inspection

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7].)

2. Remove the battery. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7].)

3. Remove the following parts for easier access:

  • MAF/IAT sensor connector
  • Vacuum hose (to master back) (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.7].)
  • Resonance chamber and air cleaner assy (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7].)

4. Disconnect the CMP sensor connector.

5. Remove the CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [MZI-3.7].)

6. Verify that there are no metal shavings on the CMP sensor.

  • If there is a malfunction, remove any metal shavings that are adhering.

Resistance Inspection

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7].)

2. Remove the CMP sensor connector.

3. Measure the resistance between CMP sensor terminals A and B.

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  • If not within the specification, replace the CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [MZI-3.7].)

  CMP sensor resistance

  1,146—1,400 ohms