Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 336 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B3618 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2013 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Trunk Release Switch

  1. Ignition OFF, disconnect the harness connector at the S58A rear compartment lid unlatch switch-exterior.
  2. Test for infinite resistance between the signal circuit terminal 1 and the ground circuit terminal 3 with the switch in the open position.
    • If less than infinite resistance 

      Replace the S58A rear compartment lid unlatch switch-exterior.

    • If infinite resistance 
  3. Test for less than 3 Ω between the signal circuit terminal 1 and the ground circuit terminal 3 with the switch in the closed position.
    • If 3 Ω or greater 

      Replace the S58A rear compartment lid unlatch switch-exterior.

    • If less than 3 Ω 
  4. All OK