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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 P2118 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the X1 harness connector at the PCM.
  2. Ignition ON, verify a test lamp illuminates between the ETCS B+ circuit terminal X1-3 and ground.
    • If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance. If the circuit tests normal replace the PCM.
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