Operation CHARM: Car repair manuals for everyone.

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