Four Wheel Anti-Lock Brake System (4WABS)

H1 CHECK FOR FAULT REPEATABILITY

- Key "OFF."

- Connect the New Generation STAR Tester.

- Clear all DTCs.

- Drive the vehicle at least 16 km/h (10 mph).

- Retrieve DTCs.

Is the DTC C1230 retrieved?

> Yes
H2

> No
- If no DTC is retrieved. H4

- If a different DTC is retrieved. Diagnostic Trouble Code Descriptions