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Home >> Chevrolet >> 2020 >> Sonic LS >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> DTC B2494 >> Component Testing
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Component Testing

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: S58A Rear Compartment Lid Unlatch Switch - Exterior
  3. Test for infinite resistance between the test points: Signal terminal 1 & Ground terminal 2 - Not Pressed
    • If less than infinite resistance 

      Replace the component: S58A Rear Compartment Lid Unlatch Switch - Exterior

    • Go to next step: If infinite resistance 
  4. Test for less than 3 ohms between the test points: Signal terminal 1 & Ground terminal 2 - Pressed
    • If 3 ohms or greater 

      Replace the component: S58A Rear Compartment Lid Unlatch Switch - Exterior

    • Go to next step: If less than 3 ohms 
  5. All OK.
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