Using SUZUKI Scan Tool

Check that basic brake system other than ABS is in good condition.
Check that battery voltage is 11 V or higher.
Lift up vehicle.
Set transmission to neutral and release parking brake.
Turn each wheel gradually by hand to check if brake dragging occurs. If it does, correct.
Connect SUZUKI scan tool to data link connector (DLC) (1) with ignition switch OFF.
Special Tool
1. SUZUKI scan tool
  
  Fig 1: Connecting Scan Tool To Data Link Connector
  Courtesy of SUZUKI OF AMERICA CORP.
Turn ignition switch to ON position and select menu to "HYDRAULIC CONTROL TEST" under "miscellaneous test" ("MISC. TEST") mode of SUZUKI scan tool.
Perform the following checks with help of another person.
Brake pedal (1) should be depressed and then select testing wheel by SUZUKI scan tool and the wheel (2) should be turned by another person's hand. At this time, check that:
- Operation sound of solenoid is heard and the wheel turns only about 0.5 sec. (Brake force is depressurized).
- Operation sound of pump motor is heard and pulsation is felt at brake pedal.
  
  Fig 2: Brake Pedal (1) Should Be Depressed And Then Select Testing Wheel By SUZUKI Scan Tool And The Wheel (2) Should Be Turned By Another Person's Hand
  Courtesy of SUZUKI OF AMERICA CORP.
Check for all 4-wheels condition respectively. If a faulty condition is found, replace hydraulic unit / control module assembly.
After completing the check, turn ignition switch to OFF position and disconnect SUZUKI scan tool from DLC.