CRANKSHAFT POSITION (CKP) SENSOR INSPECTION [SKYACTIV-G 2.0]

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Caution

•  If foreign matter such as metal shaving adhere to the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence, which can negatively affect the engine control. Verify that there is no foreign matter on the CKP sensor when replacing.

•  Do not assemble the CKP sensor or change the installation position using any method other than the following. Otherwise, it could negatively affect engine control, such as the ignition timing and fuel injection.

•  If the wiring harnesses or waterproof connectors are damaged, water penetrating the connector will cause a sensor malfunction. To prevent this, be careful not to damage wiring harnesses or waterproof connectors.

Visual Inspection

1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Remove the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

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

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

•  If there is no malfunction, perform the Voltage Inspection. (See Voltage Inspection.)

Voltage Inspection

1.  Idle the engine.

2.  Measure the output voltage wave pattern between CKP sensor terminals C and B using an oscilloscope.

•  If not as specified, replace the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

•  If they match the standard, the CKP sensor is normal therefore the inspection is completed.

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•  Standard

4.5 V or more (Maximum value of wave pattern)

0.8 V or less (Minimum value of wave pattern)

Wave pattern (reference)

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Oscilloscope setting

•  2 V/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition

•  Idle (after warm up)