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Home >> Pontiac >> 2006 >> G6 GTP, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.9L - DTC P0010 To DTC P0300 >> DTC P0201-P0206 >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition OFF, disconnect the C130 fuel injector multi-way connector.
  2. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal A engine control module (ECM) harness side and ground.
    • If the test lamp does not illuminate, test the ignition circuit for a short to ground, or an open/high resistance. If the circuit tests normal and the ignition circuit fuse is open, test or replace the fuel injector.
  3. Ignition OFF, connect a J 35616-200 between the ignition circuit terminal A and the control circuit ECM harness side, of the appropriate injector listed below:
    • Injector 1 terminal C
    • Injector 2 terminal D
    • Injector 3 terminal E
    • Injector 4 terminal F
    • Injector 5 terminal G
    • Injector 6 terminal H
  4. Engine cranking, the test lamp should flash for each injector.
    • If the test lamp is always ON, test the appropriate control circuit for a short to ground. If the circuit tests normal, replace the ECM.
    • If the test lamp is always OFF, test the appropriate control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the ECM.
    • Injector 1 terminal C
    • Injector 2 terminal D
    • Injector 3 terminal E
    • Injector 4 terminal F
    • Injector 5 terminal G
    • Injector 6 terminal H
    • If the resistance is not within the specified range, test for a short to ground or an open/high resistance between C130 and the appropriate fuel injector harness connector. If the circuits test normal, test or replace the affected fuel injector.
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