Section 22 (Anti-Lock Brake System): Diagnosis: Notes
WARNING: This page is about a different car, the 1997 Cadillac Catera. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
To diagnose ABS/TCS, manufacturer recommends using Tech 1 scan tool, DVOM, Breakout Box (J-39700) and Adapter (J-39700-250).
The EBTCM has self-diagnostic capability, which can detect system failures. Diagnostic trouble codes stored by EBTCM can be displayed using scan tool. See USING TECH 1 SCAN TOOL. Begin ABS/TCS diagnosis with PRE-DIAGNOSTIC INSPECTION procedure.