Circuit/System Testing
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
- Test the speaker circuits for an open, short to voltage, or short to ground.
- Test for 5-6 volt on speaker signal (+) and return (-) circuits during the short condition
- If the circuit tests normal, test or replace the radio.