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Electronic Brake Control Module Replacement

Fig 1: Identifying Electronic Brake Control Module Electrical Connector, Valve Bolt And Bracket Fastener
G09437427Courtesy of SAAB-SCANIA OF AMERICA, INC.
Callout Component Name
Refer to BRAKE FLUID IRRITANT WARNING .
Refer to BRAKE FLUID EFFECTS ON PAINT AND ELECTRICAL COMPONENTS CAUTION .
Preliminary Procedure 
  1. With the engine OFF, apply the brake pedal several times until the brake pedal becomes firm to deplete the vacuum brake booster vacuum reserve.
  2. Remove the brake fluid from the master cylinder reservoir, using a suitable suction device.
  3. Remove the battery and tray. Refer to BATTERY TRAY REPLACEMENT .
  4. Disconnect the brake fluid level sensor electrical connector.
  5. Loosen the coolant reservoir from the bracket and move aside to make space.
1 Brake Pipe Fitting (Qty: 6)
Refer to FASTENER CAUTION .
Procedure 
  1. Thoroughly clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and foreign material.
  2. Remove the brake pipe fittings and cap the linings to prevent brake fluid loss and contamination.

Tighten 
18 Nm (13 lb ft)
2 Electronic Brake Control Module Bracket Fastener (Qty: 3)
Tighten 
20 Nm (15 lb ft)
3 Electronic Brake Control Module Electrical Connector
Procedure 
  1. Disconnect the EBCM electrical connector and carefully remove the antilock brake control assembly.
  2. Apply grease on the connector pins when installing a new electronic brake control module.
4 Brake Pressure Modulator Valve Bolt (Qty: 3)
Tighten 
10 Nm (88 lb in)
5 Electronic Brake Control Module Bolt (Qty: 4)
Tighten 
3 Nm (26 lb in)
6 Electronic Brake Control Module
Procedure 
  1. Carefully separate the EBCM from the BPMV, do not pry the components apart.
  2. Clean the sealing surface of the BPMV with denatured alcohol and a clean shop cloth and allow to dry.
  3. Fill the master cylinder reservoir.
  4. Program the EBCM if a new one is installed. See ELECTRONIC BRAKE CONTROL MODULE PROGRAMMING AND SETUP .
  5. Bleed the brake system. Refer to HYDRAULIC BRAKE SYSTEM BLEEDING .
  6. Perform a diagnostic system check. Refer to DIAGNOSTIC SYSTEM CHECK - VEHICLE .
  7. If equipped, calibrate the brake pedal position sensor. Refer to BRAKE PEDAL POSITION SENSOR CALIBRATION .
  8. Centering the steering angle sensor. Refer to STEERING ANGLE SENSOR CENTERING .
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