Body Electrical System
External AMP Repair Procedures
In this manual: Body Electrical System
11steps
~66min
3/5difficulty
Done 0 of 11
Removal
- Disconnect the negative (-) battery terminal.
- Open the trunk and remove the left trunk trim. (Refer to Body - "Trunk Trim")
- Remove the external amplifier (C) by disconnecting connectors (A), (B) and loosening the mounting nuts.

Installation
- Install the external amplifier after connecting the connector.
- Install the left trunk trim.
- Connect the negative (-) battery terminal.

- Make sure the cables and connectors are connected correctly.
- Check the AVN system for normal operation.
Inspection
- The vehicle electrical system malfunction can be quickly diagnosed using the Hyundai Diagnostic System (GDS). The GDS provides the following information.
- Self-Diagnosis: Checks malfunction and Diagnostic Trouble Code (DTC)
- Current Data: Check the system input/output status.
- Actuation Test: Check the system operating status
- Additional Functions: Controls other functions, including system parameter setting and zero point adjustment.
- Select "Vehicle Model" and the system to be checked to inspect the vehicle with the tester.
- Select "AVN" to check the AVN.
- Select the "Current Data" menu to check the current status of input/output data. Input/output data for the sensors related to the AVN can be checked.
- To forcibly activate the input value of the module under test, select the "Activation Test" option.
Test yourself
A quick Hyundai Genesis DH quiz: every answer comes with an explanation and a link to the manual page.
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