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Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (IMA System) >> IMA System Indicator Circuit Troubleshooting >> IMA system indicator stays on, no DTCs set

IMA system indicator stays on, no DTCs set

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch to LOCK (0).
  2. Connect the HDS to the DLC (see GENERAL TROUBLESHOOTING INFORMATION  ).
  3. Turn the ignition switch to ON (II), and select the IMA SYSTEM.

    Does the HDS communicate with the IMA system? 

    YES  -go to step 4.

    NO  -Do the DLC circuit troubleshooting (see DLC CIRCUIT TROUBLESHOOTING  ).

  4. Do the gauge self-diagnostic function (see SELF-DIAGNOSTIC FUNCTION ).

    Does the IMA system indicator flash? 

    YES  -The system is OK at this time.

    NO  -Substitute a known-good gauge control module, and recheck. If the IMA system indicator is OK, replace the original gauge control module.