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Home >> Pontiac >> 2009 >> Vibe GT, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 2.4L (Lax) - DTC P0443 To DTC P2A00 >> DTC P0617 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the X2 harness connector at the PCM.
  2. Ignition ON, verify a test lamp does not illuminates between the crank signal circuit terminal X2-52 and ground.
    • If the test lamp illuminates, test the crank signal circuit for a short to voltage. If the circuit tests normal, test or replace the ignition switch.
  3. If the circuit tests normal, replace the PCM.
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