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Home >> Chevrolet >> 2016 >> Spark LS, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Trunk/Liftgate Lock Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2015 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Door Lock Switch parameter changes from Inactive to Lock and Unlock when cycling the S46B Liftgate Unlatch Switch between LOCK and UNLOCK.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Liftgate Unlatch Switch Malfunction

    • If the parameter changes 
  3. Verify the M14B Door Lock Actuator-Liftgate will LOCK and UNLOCK when commanding the All Doors Lock/Unlock with a scan tool.
    • If the M14B Door Lock Actuator-Liftgate LOCK or UNLOCK functions do not work 

      Refer to Circuit/System Testing - Liftgate Lock Actuator Malfunction.

    • If the M14B Door Lock Actuator-Liftgate LOCK and UNLOCK function works 
  4. All OK.