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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Dynamics Control (VDC) System >> VDC Control Module and Hydraulic Control Unit (VDCCM&H/U) >> Installation
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VDC Control Module and Hydraulic Control Unit (VDCCM&H/U): Installation

CAUTION:
  • When installing the VDCCM&H/U to the bracket - hydraulic unit, make sure that there is no oil adhered to the bolts and the threads of VDCCM&H/U. If the oil is adhered, degrease it carefully before tightening.
  • Connect the VDCCM&H/U connector securely.
  1. Install the bracket - hydraulic unit and the VDCCM&H/U.
    1. Install the VDCCM&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 VDCCM&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 (VDCCM&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. >
    NOTE: For models other than STI model, connect the ground terminal to battery sensor.
  6. Bleed air from the brake system. < Ref. to PROCEDURE , Air Bleeding. >
  7. Perform parameter confirmation, selection, and registration.
    NOTE:
    • When the VDCCM&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 VDCCM PARAMETER CHECK , MAINTENANCE MODE, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). >
    2. If the applied model and grade of the target vehicle are not included, perform parameter selection and registration. < Ref. to VDCCM PARAMETER SELECTION , MAINTENANCE MODE, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). >
  8. Perform "VDC sensor midpoint setting mode". < Ref. to VDC SENSOR MIDPOINT SETTING MODE , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). >