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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 512 (Engine Controls/Fuel - 5.3L, 6.0L, 6.2L - DTC P0010 To DTC P0358) >> Diagnostic Information and Procedures >> DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 >> Circuit/System Verification

Circuit/System Verification

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  1. Engine idling at operating temperature, observe the DTC information with a scan tool. DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 should not set.
  2. Move the related harnesses and connectors for the knock sensor circuits while observing the scan tool parameters listed below. The parameters should say NO.
    • Knock Detected Cyl. 1
    • Knock Detected Cyl. 2
    • Knock Detected Cyl. 3
    • Knock Detected Cyl. 4
    • Knock Detected Cyl. 5
    • Knock Detected Cyl. 6
    • Knock Detected Cyl. 7
    • Knock Detected Cyl. 8
      • If the parameters change, repair the wiring or the harness connectors.
  3. Observe the DTC information with a scan tool. DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 should not set.
  4. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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