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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 125 (Secondary And Configurable Customer Control System) >> Diagnostic Information and Procedures >> Steering Wheel Controls Malfunction >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector:S70E Steering Wheel Controls Switch - Radio Presets
  3. Test for infinite resistance between the test points: - The switch is in the open position. - Next Preset/Previous Preset
    • Signal terminal 1 & Ground terminal 3
    • Signal terminal 2 & Ground terminal 3
    • If less than infinite resistance 

      Replace the component:S70E Steering Wheel Controls Switch - Radio Presets

    • Go to next step: If infinite resistance 
  4. Test for less than 10 ohms between the test points: - The switch is in the closed position. - Next Preset/Previous Preset
    • Signal terminal 1 & Ground terminal 3
    • Signal terminal 2 & Ground terminal 3
    • If 10 ohms or greater 

      Replace the component:S70E Steering Wheel Controls Switch - Radio Presets

    • Go to next step: If less than 10 ohms 
  5. Disconnect the electrical connector:S70F Steering Wheel Controls Switch - Radio Volume
  6. Test for infinite resistance between the test points: - The switch is in the open position. - Volume Down Button/Volume Up Button
    • Signal terminal 1 & Ground terminal 3
    • Signal terminal 2 & Ground terminal 3
    • If less than infinite resistance 

      Replace the component:S70E Steering Wheel Controls Switch - Radio Presets

    • Go to next step: If infinite resistance 
  7. Test for less than 10 ohms between the test points: - The switch is in the closed position. - Volume Down Button/Volume Up Button
    • Signal terminal 1 & Ground terminal 3
    • Signal terminal 2 & Ground terminal 3
    • If 10 ohms or greater 

      Replace the component:S70F Steering Wheel Controls Switch - Radio Volume

    • Go to next step: If less than <p01> ohms 
  8. All OK.