Four Wheel Anti-Lock Brake System (4WABS)
P1 CHECK FOR FAULT REPEATABILITY- Key "OFF."
- Connect the New Generation STAR Tester.
- Clear all DTCs.
- Drive the 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 Electronic Hydraulic Control Unit (EHCU).
- If the ABS activated on normal stops. P2
- If DTC C1222 is retrieved, inspect tires for mismatched sizes. Inspect the sensor indicators for damage. If inspections are normal, replace the EHCU and repeat the System Pre-Check. Inspection and Verification (Start Testing Here)
- If a different DTC is retrieved. Diagnostic Trouble Code Descriptions
> No
Inspection and Verification (Start Testing Here)