Component Tests and General Diagnostics
ABS Hydraulic Unit Operation CheckUsing 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 dragging occurs. If it does, correct.
6) Connect SUZUKI scan tool to data link connector (DLC) (1) with ignition switch OFF.
Special Tool
(A): SUZUKI scan tool
7) Turn ignition switch to ON position and select menu to "HYDRAULIC CONTROL TEST" under "miscellaneous test" ("MISC. TEST") mode of SUZUKI scan tool.
8) 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.
9) Check for all 4-wheels condition respectively. If a faulty condition is found, replace hydraulic unit/ control module assembly.
10) After completing the check, turn ignition switch to OFF position and disconnect SUZUKI scan tool from DLC.
Not 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) With ABS warning lamp, check that no abnormality is detected in ABS.
4) Lift up vehicle.
5) Set transmission to neutral and release parking brake.
6) Turn each wheel gradually by hand to check if brake dragging occurs. If it does, correct.
7) With diagnosis switch terminal (2) of monitor connector (blue) (1) connected to ground terminal (3) using service wire (4), turn ignition switch ON and check if ABS warning lamp indicates DTC 12 referring to DTC Table.
If malfunction DTC is indicated, repair it first.
8) Turn ignition switch OFF.
9) Perform the following checks with help of another person. Brake pedal (1) should be depressed and then ignition switch (2) turned ON by one person and wheel (3) should be turned by another person's hand. At this time, check that:
^ Operation sound of solenoid is heard and 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) If all 4-wheels cannot be checked during one ignition cycle (OFF -> ON), repeat Steps 8) and 9) till all 4 wheels are checked.
If a faulty condition is found in Steps 9) and 10), replace hydraulic unit / control module assembly.
11) Turn ignition switch OFF and remove service wire from monitor coupler.