FixVault

Component Testing

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

M40 Rear Compartment Lid Latch-Test

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector:M40 Rear Compartment Lid Latch
  3. Connect a jumper wire between the test points:Ground terminal 2 & Ground
  4. Momentarily connect a 7.5 A fused jumper wire between the test points:Control terminal 1 & 12 V

    Verify the component turns On and Off when connecting and disconnecting the jumper wire:M40 Rear Compartment Lid Latch

    • If the component does not turn On and Off 

      Replace the component:M40 Rear Compartment Lid Latch

    • Go to next step: If the component turns On and Off 
  5. All OK.