LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Dynamics Control (VDC) System (Service Information) >> VDC Control Module and Hydraulic Control Unit (VDC Control Module & H/U) >> Installation
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

VDC Control Module and Hydraulic Control Unit (VDC Control Module & H/U): Installation

CAUTION:
  • When installing the VDC Control Module & H/U to the bracket - hydraulic unit, make sure that there is no oil adhered to the bolts and the threads of VDC Control Module & H/U. If the oil is adhered, degrease it carefully before tightening.
  • Connect the VDC Control Module & H/U connector securely.
  1. Install the bracket - hydraulic unit and the VDC Control Module & H/U.
    1. Install the VDC Control Module & H/U to the bracket - hydraulic unit.

      Tightening torque: 

      7.5 N.m (0.8 kgf-m, 5.5 ft-lb) 

    2. Attach the bracket - hydraulic unit.

      Tightening torque: 

      33 N.m (3.4 kgf-m, 23.8 ft-lb) 

    3. Attach the bracket to the bracket - connector front. (Except for STI model)

      Tightening torque: 

      7.5 N.m (0.8 kgf-m, 5.5 ft-lb) 

    4. Install the power steering control module. (Except for STI model) <Ref. to INSTALLATION , Power Steering Control Module.>
    5. Connect the VDC Control Module & H/U connector.
    6. Install each brake pipe using a flare nut wrench.

    Tightening torque: 

    Refer to "COMPONENT" of "General Description". <Ref. to  VDC CONTROL MODULE & HYDRAULIC CONTROL UNIT (VDC Control Module & H/U)  , COMPONENT, General Description.> 

  2. Install the chamber assembly. (STI model) <Ref. to INSTALLATION , Chamber Assembly.>
  3. Install the engine control module (ECM). (Except for STI model) <Ref. to INSTALLATION , Engine Control Module (ECM).>
  4. Install the power steering control module. (Except for STI model) <Ref. to INSTALLATION , Power Steering Control Module.>
  5. Connect the battery ground terminal. <Ref. to BATTERY , NOTE, Note.>
  6. Bleed air from the brake system. <Ref. to PROCEDURE , Air Bleeding.>
  7. Perform parameter confirmation, selection, and registration.
    NOTE:
    • When the VDC Control Module & H/U is replaced with a new part, be sure to perform the selection registration operation.
    • When the registration has not been performed, the DTC code "Parameter selection error" is detected together with the ABS/EBD/VDC warning light illumination.
    1. Check that the applied model and grade of the relevant vehicle are included. <Ref. to VDC Control Module PARAMETER CHECK , MAINTENANCE MODE, VDC Control Module and Hydraulic Control Unit (VDC Control Module & H/U).>
    2. If the applied model and grade of the target vehicle are not included, perform parameter selection and registration. <Ref. to VDC Control Module PARAMETER SELECTION , MAINTENANCE MODE, VDC Control Module and Hydraulic Control Unit (VDC Control Module & H/U).>
  8. Perform "VDC sensor midpoint setting mode". <Ref. to VDC SENSOR MIDPOINT SETTING MODE , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDC Control Module & H/U).>