Four Wheel Anti-Lock Brake System (4WABS)
ID3 WIGGLE TEST^ Key "ON."
^ Wiggle an affected circuit in one location only.
NOTE: Start at one component and wiggle connector by connector until the whole circuit has been tested.
^ Observe the ABS warning light.
Is the ABS warning light on?
> Yes
Key "OFF." Go to Pinpoint Test ID5. ID5
> No
Go to Pinpoint Test ID4. ID4