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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System & Fuel System - 5.3L - DTC P0420 To DTC P3449) >> DTC P3401, P3425, P3441, or P3449 >> Component Testing >> Dynamic Test

Dynamic Test

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, disconnect the VLOM harness connector at the VLOM assembly.
  2. Connect the cable that is labeled power from the displacement on demand DoD tester to the VLOM connector.
  3. Connect the power leads from the DoD tester to B+ and ground.
  4. Command each VLOM solenoid ON and OFF using the DoD tester. You should be able to hear each solenoid turn ON and OFF.
    • If the function does not perform as specified, replace the VLOM assembly.
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