Four Wheel Anti-Lock Brake System (4WABS)
A1 CHECK THE YELLOW ABS WARNING INDICATOR FUNCTION- Connect the New Generation STAR Tester.
- Clear all DTCs.
- Key "ON."
- Observe the yellow ABS warning indicator prove-out.
Does the yellow ABS warning indicator prove out properly?
> Yes
Concern is intermittent. A4
> No
Concern is repeatable. A2