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Home >> Pontiac >> 2009 >> G3 Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Controls And Fuel - 1.6L (LDE, LLU, And LXV) Or 1.8L (2H0) - Troubleshooting And Diagnosis) >> Malfunction Indicator Lamp (MIL) Diagnosis >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2010 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, engine OFF, observe the transmission DTC information with a scan tool. There should be no transmission DTCs set.
  2. Command the MIL ON and OFF with a scan tool. The MIL should turn ON and OFF when commanded.
  3. Engine idling, command the MIL ON and OFF with a scan tool while observing the following control circuit status parameters:
    • MIL Ckt Short Gnd Test Status
    • MIL Ckt Open Test Status
    • MIL Ckt Short Volts Test Status

      Each parameter should display OK or Not Run.

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