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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System & Fuel System - 3.8L - DTC P0016 To DTC P0350 >> DTC P0341 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the IC module connector. Test for less than 1 ohm on the camshaft position signal circuit IC module terminal J.
    • If greater than the specified value, test the camshaft position signal circuit for an open/high resistance.
  2. Inspect the CMP sensor for looseness and correct installation.
    • If the sensor is loose, inspect the sensor and the O-ring for damage, replace as necessary.
  3. Inspect the engine for the following conditions:
    • Engine oil for debris and contamination
    • Crankshaft reluctor wheel for damage
    • The timing chain, tensioner, and sprockets for wear or damage
    • If debris is found in the engine oil, inspect the internal engine components to determine the cause. Repair or replace any worn or damaged components.
  4. If the camshaft position signal circuit, CMP sensor and engine timing components test normal, replace the IC module.
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