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Home >> Chevrolet >> 2011 >> Caprice >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Secondary And Configurable Customer Control System >> Diagnostic Information and Procedures >> Steering Wheel Controls Malfunction >> Component Testing
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Component Testing

  1. Ignition OFF, disconnect the harness connector at the steering wheel switch assembly.
  2. Test for 0.5-O.L. Ω between the scroll wheel terminals listed below, while rotating each steering wheel scroll wheel several times through its full range of motion.
    • Right steering wheel scroll wheel terminal 1 and terminal 2.
    • Left steering wheel scroll wheel terminal 3 and terminal 4.
    • If not within the specified range or is erratic, replace the steering wheel switch.
  3. Test the resistance between the signal terminal 6 and the low reference terminal 5 while depressing the appropriate steering wheel controls switch button listed below.
    • If not the specified value, replace the steering wheel switch.
Function Switch Minimum Resistance Value Maximum Resistance Value
Mute 90 Ω 110 Ω
Phone/Talk 225 Ω 275 Ω
Disc Change 400 Ω 460 Ω
Source 600 Ω 720 Ω
Trip 900 Ω 1 kΩ
Call End 3.33 kΩ 4.14 kΩ
No Switch Pressed 6.50 kΩ 7.80 kΩ