Diagnostic System Check: Notes

Diagnostic system check is an organized approach to identifying a problem created by an Anti-Lock Brake System (ABS) malfunction. This should be the starting point for any ABS diagnosis because it directs technician to next logical step in diagnosing a complaint.

Serial data is transmitted through EBCM terminal No. 2. Switched ignition voltage is supplied through EBCM terminal No. 14, battery voltage through EBCM terminal No. 15 and switched battery voltage through EBCM terminal "A". Ground is through EBCM terminal "B".