Suzuki WagonR+ RB310 Service Manual page 1303

5E-12 ANTILOCK BRAKE SYSTEM (ABS)
Serial Data Link Circuit Check
CAUTION:
Be sure to perform "SYSTEM CHECK FLOW TABLE" before starting diagnosis according to flow table.
1. "ABS" warning lamp in combination meter
2. ABS hydraulic unit/control module assembly
3. Data link connector (DLC)
4. ABS hydraulic unit/control module connector
5. To ECM, TCM, P/S control module and SDM
6. To main fuse box