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Home >> Buick >> 2016 >> Verano Base, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Secondary And Configurable Customer Control System >> Diagnostic Information and Procedures >> DTC B3622: Steering Wheel Controls Signal >> Component Testing
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Component Testing

  1. Ignition OFF, disconnect the harness connector at the S70R Steering Wheel Controls Switch - Right.
  2. Test the resistance between the signal terminal 2 and the reference voltage terminal 1 while pressing the appropriate steering wheel controls switch button listed below:
    • If not the specified value 

      Replace the S70R Steering Wheel Controls Switch - Right.

    • If the specified value 
  3. All OK
Function Switch Minimum Resistance Value Maximum Resistance Value
Hang Up-Mute 5.0 kΩ 5.5 kΩ
Telephone Switch 3.6 kΩ 4 kΩ
Source Switch 2.8 kΩ 3.1 kΩ
Arrow Down 2.2 kΩ 2.6 kΩ
Arrow Up 1.7 kΩ 2 kΩ
Volume Down 1.4 kΩ 1.6 kΩ
Volume Up 1.1 kΩ 1.3 kΩ
No Switch Pressed Infinite Infinite