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Home >> Pontiac >> 2006 >> G6 Base, 2.4 B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 2.4L - DTC P0351 To DTC P2138 >> DTC P0351-P0354 >> Circuit/System Testing

Circuit/System Testing

  1. Turn OFF the ignition.
  2. Disconnect the ECM.
  3. Test the affected IC circuit for an open, a short to ground and for a short to voltage.
    • If a fault is found, repair the circuit as needed.
  4. Connect the ECM.
  5. Exchange the affected ignition coil/module with the ignition/coil module of a good cylinder.
  6. Start the engine and observe the scan tool.
    • If the DTC transfers with the suspect ignition/coil module replace as needed.
    • If the DTC does not transfer with the suspect ignition/coil module replace the ECM.
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