Diagnostic Procedure With Abs Tester

ABS tester uses one display window and 2 switches for reading information from unit. Become thoroughly familiar with ABS tester displays and operation before proceeding. See Figure . To diagnose ABS system, go to TESTING SEQUENCE charts under DIAGNOSING ABS SYSTEM. When diagnosing ABS system, complete tests in order given under TESTING SEQUENCE. If ABS tester does not operate, check fuses, ignition switch and ignition circuit.