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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0446 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0685-P0687, P0689, P0690 or P1682: Engine Controls Ignition Relay, Ignition 1 Switch Circuit 2 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify no other DTCs are set.
    • If no other DTCs are set 
  3. Ignition/Vehicle - Cycle On and Off

    Verify the component produces a clicking sound: KR75 Engine Controls Ignition Relay

    • If the component does not produce a sound 

      Refer to Circuit/System Testing

    • If the component produces a sound 
  4. Verify the following parameters are within 3 V of each other:
    • Ignition 1 Signal
    • Engine Controls Ignition Relay Feedback Signal
    • If not within 3 V of each other 

      Refer to Circuit/System Testing

    • If within 3 V of each other 
  5. 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 the DTC sets 

      Refer to Circuit/System Testing

    • If the DTC does not set 
  6. All OK.
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