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Home >> Buick >> 2016 >> Cascada Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Secondary And Configurable Customer Control System) >> Diagnostic Information and Procedures >> DTC B3622: Steering Wheel Controls Signal Circuit >> Component Testing
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Component Testing

WARNING: This page is about a different car, the 2016 Chevrolet Malibu Limited. However, it is still accessible from the selected car via links, so may be relevant.
  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