CAMSHAFT POSITION (CMP) SENSOR INSPECTION [MZ-CD 1.6]


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Caution
•  Water penetrating the connector will cause sensor malfunction. To prevent this, be careful not to damage the wiring harnesses or the waterproof connector so as to cause water penetration.

Visual inspection

1.  Remove the CMP sensor.

2.  Verify that there are no metal shavings on the sensor.

3.  Visually inspect the ECT sensor for the following:

•  Damage
•  Cracks
•  Rusted sensor terminal
•  Bent sensor terminal
―  If there is any malfunction, replace the CMP sensor.

4.  Install the CMP sensor.


Voltage inspection

1.  Idle the engine.

2.  Measure the output voltage.

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•  If it is not within the specification, replace the CMP sensor.

CMP sensor voltage (reference)

Terminal

Voltage

Condition

A
1.0 or less
Under any condition
B
12 or more
High output*
1.0 or less
Low output*
C
Approx. 5
Under any condition

*  :Output voltage varies with camshaft rotation.