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Home >> Chevrolet >> 2019 >> Sonic LS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Driver Assistance Systems) >> Diagnostic Information And Procedures >> DTC B356A >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Lane Departure Warning Switch Status parameter changes between Open and Closed when pressing and releasing the lane departure warning switch.
    • If the parameter does not change between Active and Inactive 

      Refer to Circuit/System Testing below.

    • Go to next step: If the parameter changes between Active and Inactive 
  3. Verify the driver information center displays and adjusts the forward collision alert sensitivity setting while repeatedly pressing and releasing the forward collision alert switch.
    • If the forward collision alert sensitivity setting cannot be changed 

      Refer to Circuit/System Testing below.

    • Go to next step: If the forward collision alert sensitivity setting can be changed 
  4. All OK.
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