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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Controls Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P0327: Knock Sensor Circuit >> Test Description
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Test Description

WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

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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