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Home >> Pontiac >> 2003 >> Sunfire Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 2.2L >> Diagnostic Tests >> DTC P0327: Knock Sensor Circuit >> Test Description
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Test Description

The number below refer to the step number on the diagnostic procedure.

  1. 2  - This step ensures that the malfunction is present.
  2. 3  - This step tests for a KS that is shorted to ground.
  3. 4  - This step tests the KS for proper operation.
  4. 5  - This step tests for a short to voltage on the KS signal circuit and the KS low reference circuit.

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