Suzuki Wagon R Manual page 1542

On-Vehicle Service
Precautions
When connector is connected to ABS hydraulic unit/control mod-
ule assembly, do not disconnect connectors of sensors with igni-
tion switch ON. Then DTC will be set in ABS control module.
ABS Hydraulic Unit Operation Check (Using
SUZUKI Scan Tool)
1) Check that basic brake system other than ABS is in good
condition.
2) Check that battery voltage is 11 V or higher.
3) Lift up vehicle.
4) Set transmission to neutral and release parking brake.
5) Turn each wheel gradually by hand to check if brake drag-
ging occurs. If it does, correct.
6) Remove steering column hole cover.
7) Connect SUZUKI scan tool to data link connector (DLC) (1)
with ignition switch OFF.
Special tool
(A) : SUZUKI scan tool
8) Turn ignition switch to ON position and select menu to
"HYDRAULIC CONTROL TEST" under "miscellaneous test"
("MISC. TEST") mode of SUZUKI scan tool.
9) 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.
10) Check for all 4-wheels condition respectively. If a faulty con-
dition is found, replace hydraulic unit/control module assem-
bly.
11) After completing the check, turn ignition switch to OFF posi-
tion and disconnect SUZUKI scan tool from DLC.
ANTILOCK BRAKE SYSTEM (ABS) 5E-31