Inspection Procedures: Overview

DTC Inspection 

1. Connect the GDS with the data link connector and turn the ignition switch ON.
2. Verify that the DTC code is output.

   Is the DTC code output?

   YES 

   • Check the power source circuit.

   NO 

   • Erase the DTC and recheck using GDS.

DTC Inspection 

1. Connect the GDS with the data link connector and turn the ignition switch ON.
2. Verify that the DTC code is output.

   Is the DTC code output?

   YES 

   • Check the wheel speed sensor circuit.

   NO 

   • Erase the DTC and recheck using GDS.

Check The Power Supply Circuit For The Diagnosis 

1. Measure the voltage between terminal 16 of the data link connector and body ground.

   Specification:  approximately B+

   Is voltage within specification?

   YES 

   • Check the ground circuit for the diagnosis.

   NO 

   • Repair an open in the wire. Check and replace fuse (15A) from the engine compartment junction block.
   Fig 1: Measuring Voltage Between Terminal 16 Of Data Link Connector And Body Ground

   Courtesy of KIA MOTORS AMERICA, INC.

Check For Continuity In The CAN Line 

1. Disconnect the connector from the ESC Control Module.
2. Check for continuity between terminals 26, 14 of the ESC control module connector and 6, 14 of the Data Link Connector.

   Is there continuity?

   YES 

   • Check the power source of ESC Control Module.

   NO 

   • Repair an open in the wire.

Problem Verification 

1. Disconnect the connector from the ESC control module and turn the ignition switch ON.
2. Does the ABS warning lamp light up?

   YES 

   • Inspect again after replacing the ESC HECU.

   NO 

   • Check the power source for the ABS warning lamp.