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.
Circuit Description
This circuit sends a mute signal to the stereo component amplifier. This has the effect of keeping sound from being produced even when the sound source changes.
In addition, this circuit is used to mute the sound when the navigation system performs a voice guide. If there is an open in the circuit, sound can be heard from the speaker when changing the sound source. When the vehicle is equipped with the navigation system, audio sounds keeps coming out from the speaker on the driver's side while the voice navigation is in operation.
If there is a short in the circuit, either extremely quiet sound will be produced, or no sound will be produced at all.
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.