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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 2.4L - DTC P0628 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0685-P0687, P0689, P0690, or P1682: Engine Controls Ignition Relay >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
    NOTE:
    • A short to voltage on other components may cause DTC P0690 to set. If any other DTC is set, diagnose that DTC first.
    • If you were sent here from Engine Cranks But Does Not Run, proceed to Circuit/System Testing.
  1. Ignition ON, observe the scan tool DTC information. Verify DTC P0685, P0686, P0687, P0689, P0690, or P1682 is not set.
    • If any of the DTCs are set 

      Refer to Circuit/System Testing.

    • If none of the DTCs are set 
  2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
    • If any of the DTCs are set 

      Refer to Circuit/System Testing.

    • If none of the DTCs are set 
  3. All OK.
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