Lumbar Support Repair Procedures

Removal

1. 1
   Disconnect the negative (-) battery terminal.
2. 2
   Remove the front seat assembly. (Refer to Body - "Front Seat Assembly")
3. 3
   Remove the seatback. (Refer to Body - "Front Seatback Cover")
4. 4
   Disconnect the lumbar support motor connector (A).

   

5. 5
   Remove the lumbar support assembly by disconnecting the mounting clip (A).

   

   

Installation

1. 1
   Install the lumbar support assembly.
2. 2
   Install the seatback trim.
3. 3
   Install the front seat assembly.

   Make sure the connectors are connected correctly. Check the rear lumbar support system.

Inspection

1. 1
   The body electrical system can be quickly diagnosed for faulty parts using 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. 2
   Select "Vehicle Model" and the system to be checked to inspect the vehicle with the tester.
3. 3
   Select "Power Seat Module (PSM)" to check the power seat module (PSM).
4. 4
   Select the "Current Data" menu to check the current input/output status. Input/output for sensors related to the power seat module (PSM) can be checked.
5. 5
   If you force-check the power door lock operation, select "Activation Check".
6. 6
   Disconnect the connectors for each motor. [Lumbar Support Motor]

   

7. 7
   Connect the battery directly to the motor terminals and check that the motors operate smoothly.
8. 8
   Reverse the connections and check that the motor rotates in the opposite direction.
9. 9
   If there are any abnormalities, replace the motors.