Diagnosis & Testing: Notes
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1999 Pontiac Grand Prix, 1999 Pontiac Firebird, 1999 Oldsmobile Intrigue, 1999 Chevrolet Camaro, and 1998 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
To diagnose ABS/TCS, manufacturer recommends using Tech 2 scan tool, DVOM, Pinout Box (J-39700) and Adapter (J-39700-530).
The EBTCM has self-diagnostic capability, which can detect system failures. Diagnostic trouble codes stored by EBTCM can be displayed using scan tool. See RETRIEVING CODES. Begin ABS/TCS diagnosis with PRE-DIAGNOSTIC INSPECTION procedure.