CAMSHAFT POSITION (CMP) SENSOR INSPECTION [ZY, Z6]

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Visual Inspection

1.  Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [ZY, Z6].)

2.  Disconnect the negative battery cable.

3.  Disconnect the CMP sensor connector.

4.  Remove the CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [ZY, Z6].)

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

•  Remove any metal shavings that are adhering.

Voltage Inspection

1.  Idle the engine.

2.  Measure the CMP sensor output wave pattern using an oscilloscope. (See PCM INSPECTION [ZY, Z6])

•  If not within the specification, replace the CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [ZY, Z6].)