Reading Diagnostic Trouble Codes

How to Retrieve DTCs
1. With the ignition switch OFF, connect the HDS to the 16P data link connector (DLC) under the driver's side of the dashboard.
2. Turn the ignition switch ON (II).
3. Make sure the HDS communicates with the vehicle and the ABS modulator-control unit. If it doesn't, troubleshoot the DLC circuit.
4. Follow the prompts on the HDS to display the DTC(s) on the screen. After determining the DTC, refer to the DTC troubleshooting. DTC List - Antilock Brake System
5. Turn the ignition switch OFF.