Component Testing
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. 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. |