Testing Electronic Control Unit Test Cycle With Input Of A Simulated Fault)
Depress Yellow push button about 2 seconds. If ABS indicator lamp goes out for a short moment and lights up again, go to TEST 18. If ABS indicator lamp goes out and is not lighting up again, replace electronic control unit.
NOTE:
TESTS 18-22 require a brake test bench (chassis dynamometer). Prior to test on dynamometer, perform TESTS 1-19. TESTS 20-23 require a perfectly functioning service brake.