Body Electrical System

BLUE LINK Module Repair Procedures

13steps
~78min
3/5difficulty
Done 0 of 13

Removal

  1. Disconnect the negative (-) battery terminal.
  2. Remove the driver airbag module assembly. (Refer to Body - "Driver Airbag Module Assembly")
  3. Remove the knee airbag (KAB) module. (Refer to Restraint System - Knee Airbag (KAB) Module.)
  4. Remove the driver side shower duct. (Refer to Heating, Ventilation and Air Conditioning - Temperature Control Actuator.)
  5. Disconnect the connector, loosen the nut and screws, then remove the blue connector block.

Installation

  1. Install the blue connector block.
  2. Install the main crash pad.
  3. Connect the negative (-) battery terminal.

Inspection

Diagnosis with GDS

  1. Body electrical system faults can be quickly diagnosed with the Global Diagnostic System (GDS). The GDS provides the following information.
    1. Self-Diagnosis: Diagnostic Trouble Code (DTC) check and display
    2. Current Data: Check the system input/output status.
    3. Actuator Test: Checking System Operating Status
    4. Additional Functions: Other controls such as system option and zero point adjustment.
  2. Select "Vehicle Model" and the system to be checked to inspect the vehicle with the tester.
  3. Select "Telematics Unit (TMU)" to inspect the telematics unit.
  4. Select the "Current Data" menu to check the current status of input/output data. Input/output data for the sensors related to the TMU can be checked.
  5. To check the TMU trouble code, select "Diagnostic Trouble Codes".

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.