Four Wheel Anti-Lock Brake System (4WABS)

P1 CHECK FOR FAULT REPEATABILITY

- Connect NGS tester.

- Clear all DTCs.

- Drive vehicle at various speeds.

- Retrieve DTCs.

- Was a DTC retrieved and did the ABS activate during normal stops?

> Yes
If DTC C1184 is retrieved and the ABS did not activate during normal stops, replace the EHCU.

If ABS activated on normal stops, go to Pinpoint Test P2. P2

If DTC C1222 is retrieved, inspect tires for mismatched sizes. Inspect the sensor indicators for damage. If inspections are normal, replace the anti-lock brake control module and repeat the System Pre-Check. Inspection and Verification (Start Testing Here)

If a different DTC is retrieved, refer to the Diagnostic Trouble Code (DTC) index. Diagnostic Trouble Code Descriptions

> No
Repeat the System Pre-Check. Inspection and Verification (Start Testing Here)