Without Scan Tool

Fig 49 Grounding Data Link Connector (DLC):

Fig 50 ABS Warning Lamp Operation:

To access diagnostic trouble codes without a scan tool, ground terminal No. 1 of the Data Link Connector (DLC) located under the lefthand side of the instrument panel. The ABS warning lamp will begin flash any stored diagnostic trouble codes. After determining the diagnostic trouble code, refer to Diagnostic Charts for code diagnosis and repair.