Suzuki WagonR+ RB310 Service Manual page 2349

5E1-28 ANTILOCK BRAKE SYSTEM (ABS)
ON-VEHICLE SERVICE
PRECAUTION
When connector is connected to ABS hydraulic unit/control module
assembly, do not disconnect connectors of sensors with ignition
switch ON. Then DTC will be set in ABS control module.
ABS HYDRAULIC UNIT OPERATION CHECK
(USING SUZUKI SCAN TOOL)
1) Remove steering column hole cover.
2) Connect SUZUKI scan tool (Tech-1) to data link connector
(DLC) (1) with ignition switch OFF.
Special Tool
(A): 09931-76011 (SUZUKI scan tool)
(B): Mass storage cartridge
(C): 09931-76030 (16/14 pin DLC cable)
3) Turn ignition switch to ON position and check actuator operation
using "HYDRAULIC CONTROL TEST" under "miscellaneous
test" ("MISC. TEST") mode of SUZUKI scan tool.
ABS HYDRAULIC UNIT OPERATION CHECK
(NOT USING SUZUKI SCAN TOOL)
1) Check that basic brake system other than ABS is in good condi-
tion.
2) Check that battery voltage is 11V or higher.
3) With "ABS" warning lamp, check that no abnormality is detected
in ABS. Refer to "DIAGNOSTIC TROUBLE CODE (DTC)
CHECK" in this section.
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 (1) of monitor coupler (2) con-
nected to ground terminal (3) using service wire (4), turn ignition
switch ON and check if "ABS" warning lamp indicates DTC 12.
If malfunction DTC is indicated, repair it first.
8) Turn ignition switch "OFF".