Component Testing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the harness connector at the right steering wheel control switch.
- Connect a DMM between terminals 3 and 4 of the right steering wheel control switch.
- If any of the resistance measurements for the individual switches are not within the specified resistance values, replace the right steering wheel control 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. |