Diagnosis & Testing: Notes

Diagnose ABS using New Generation Star (NGS) Tool (49-T088-0A0) and Adapter Harness (49-L066-001). See RETRIEVING CODES  . Test ABS control module using DVOM and adapter harness. See ABS CONTROL MODULE TEST  under COMPONENT TESTING.

If ABS test equipment is unavailable, test each component of ABS. See test procedures under COMPONENT TESTING  . If all ABS components test okay, replace ABS control module with a known-good module and retest system.