Communication With Hi-Scan (Pro) Is Not Possible. (Communication With Abs Only Is Not Possible)

CHECK FOR CONTINUITY IN THE DIAGNOSIS LINE
1. Disconnect the connector from the ABS control module.
2. Check for continuity between terminals 7 of the ABS control module connector and 1 of the data link connector.
  Is there continuity?
Yes : Go to next step.

No : Repair an open in the wire.
CHECK THE POWER SOURCE OF ABS CONTROL MODULE
1. Disconnect the connector from the ABS control module.
2. Turn the ignition switch ON, measure the voltage between terminal 4 of the ABS control module harness side connector and body ground.
  - Specification: approximately B+
    Is voltage within specification?
  Fig 1: Measuring Voltage Between Terminal 4 ABS Control Module Harness Side Connector And Body Ground
  Courtesy of HYUNDAI MOTOR CO.
Yes : Repair if necessary.

No : Check the harness or connector between the fuse (10A) in the passenger compartment junction block and the ABS control module.
CHECK FOR POOR GROUND
Check for continuity between terminal 5 of the data link connector and ground point.

Is there continuity?

Fig 2: Checking Continuity Between Terminal 5 Of Data Link Connector And Ground Point
Courtesy of HYUNDAI MOTOR CO.

Yes : Replace the ABS control module and recheck.

No : Repair an open in the wire or poor ground.