Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Component Testing
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Component Testing
WARNING: This page is about a different car, the 2009 GMC Envoy and 2009 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the harness connector at the right or left steering wheel control switch.
- Connect a DMM between terminal 1 and terminal 5 (left switch) or terminal 6 (right switch) of either the left or right steering wheel control switches.
- If any of the resistance measurements for the individual switches are not within the specified resistance values, replace the left or right steering wheel control switch.
Left Steering Wheel Switch Resistance
| Function Switch | Minimum Resistance Value | Maximum Resistance Value |
|---|---|---|
| Mute/Voice Recognition | 615 Ohms | 815 Ohms |
| Program | 1.7k Ohms | 2.1k Ohms |
| Source Down | 4.1k Ohms | 4.5k Ohms |
| Source Up | 11.0k Ohms | 11.4k Ohms |
| No Switch Pressed | O.L. | O.L. |
Right Steering Wheel Switch Resistance
| Function Switch | Minimum Resistance Value | Maximum Resistance Value |
|---|---|---|
| Volume Up | 1.1k Ohms | 1.3k Ohms |
| Volume Down | 1.4k Ohms | 1.8k Ohms |
| Seek Up | 1.7k Ohms | 2.1k Ohms |
| Seek Down | 2.2k Ohms | 2.6k Ohms |
| No Switch Pressed | O.L. | O.L. |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.