Component Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the right steering wheel control switch.
- Test the resistance between the voltage reference terminal 3 and the signal terminal 4 while depressing the appropriate steering wheel controls switch listed below.
- If not the specified range, replace the steering wheel switch.
| Function Switch | Minimum Resistance Value | Maximum Resistance Value |
|---|---|---|
| Mute/Voice Recognition | 1.0k Ohms | 1.4k Ohms |
| Volume Down | 1.3k Ohms | 1.7k Ohms |
| Volume Up | 1.7k Ohms | 2.1k Ohms |
| Previous | 2.2k Ohms | 2.6k Ohms |
| Next | 2.8k Ohms | 3.2k Ohms |
| Source | 3.6k Ohms | 4.0k Ohms |
| Seek | 5.1k Ohms | 5.5k Ohms |
| No Switch Pressed | O.L. | O.L. |