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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System & Fuel System - 1.8L (Lay) - DTC P0441 To DTC P2A00) >> DTC P2118 >> Circuit/System Testing

Circuit/System Testing

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  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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