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Home/Cars/Genesis/G70/IG (2017-2023)/my Genesis G70 has no sound from the speakers, how do I fix it?

my Genesis G70 has no sound from the speakers, how do I fix it?

Genesis G70 IG (2017-2023)

Severity: mediumDifficulty: medium1-2 hours
3 min read
556 words

Problem Statement

Learn how to diagnose and fix the no sound issue in Genesis G70 audio system. Step-by-step guide with diagnostic procedures and repair instructions.

Component
Electrical
Repair Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the battery before working on any electrical components to avoid short circuits or electric shock.

Symptoms

  • •No audio output from any speakers
  • •No sound when attempting to play music, radio, or other audio sources
  • •Audio system controls appear functional
  • •Check Engine Light may or may not be illuminated
  • •Possible blown fuses related to the audio system

Diagnostic Steps

  1. 1Verify that the audio system is powered on and volume is not muted.
  2. 2Check the vehicle's fuse box for any blown fuses related to the audio system.
  3. 3Inspect the wiring harness connections to the head unit and speakers for any loose or damaged connections.
  4. 4Use an OBD-II scanner to check for any error codes related to the audio system.
  5. 5Test the speaker outputs with a multimeter to ensure they are receiving power.
  6. 6Confirm that the vehicle's battery is healthy and fully charged to rule out electrical issues.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a flat surface with the engine off.
  • Disconnect the negative battery terminal for safety.

2. Check and Replace Fuses

  • Tools Required: Fuse puller or pliers
  • Locate the fuse box (usually under the dashboard or in the engine compartment).
  • Identify the fuse related to the audio system using the fuse diagram.
  • Remove the fuse and inspect it visually; replace it if it appears blown.
  • Reinsert the new fuse and reconnect the battery terminal.

3. Inspect Wiring Connections

  • Tools Required: Screwdriver, possibly a trim removal tool
  • Remove the dashboard panel to access the head unit.
  • Check all wiring connections to ensure they are secure and undamaged.
  • Inspect the speaker wires leading to each speaker for signs of wear or disconnection.
  • Reconnect any loose wires and secure them properly.

4. Test Audio System

  • Reconnect the negative battery terminal.
  • Start the vehicle and test the audio system to check for sound output.
  • If sound is still absent, proceed to diagnose the head unit and amplifier (if equipped).

5. Head Unit and Amplifier Inspection

  • Tools Required: Multimeter, screwdriver
  • If applicable, disconnect the head unit and check for any visible damage or burnt components.
  • Use a multimeter to check the power and ground connections for the head unit.
  • Inspect the amplifier (if present) for any fault indicators or damage.

Verification

After completing the repair, verify that the issue has been resolved:

  • Test the affected component to ensure it functions correctly
  • Check for any error codes or warning lights
  • Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • OBD-II scanner
  • Multimeter
  • Screwdriver set
  • Fuse puller or pliers
  • Trim removal tool

Parts Required

  • Replacement fuses
  • Electrical tape

Additional Information

Component

Electrical

Repair Time

1-2 hours

Difficulty

medium

Severity

medium

Tools

5 items

Parts

2 items

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