Operation CHARM: Car repair manuals for everyone.

Four Wheel Anti-Lock Brake System (4WABS)

CHECK FOR FAULT REPEATABILITY

- Connect New Generation STAR (NGS) Tester.

- Clear all DTCs.

- Perform on demand self-test.

- Retrieve DTCs.

- Is a single valve DTC set?

> Yes
Replace the anti-lock brake control module. Go to Pinpoint Test C2. C2

> No
If multiple valve DTCs are set, go to Pinpoint Test C2. C2

If no DTCs are set, go to Pinpoint Test C4. C4