Diagnostic Test

CHECK FOR AN ACTIVE DTC 

1. Turn the ignition on.
2. With the scan tool, read ABS DTCs and record on the repair order.
3. With the scan tool, read and record Freeze Frame information.
4. With the scan tool, erase DTCs.
5. Start the engine.
6. Press and release the brake pedal.
7. With the scan tool, read the DTCs.

   Is the DTC active?

   Yes 

   NOTE:

   For this failure it is necessary to replace both the Anti-lock Brake System (ABS) Module and the Hydraulic Control Unit (HCU) as a complete unit. This is known as the Integrated Control Unit (ICU).

   • Replace the Integrated Control Unit (ICU) in accordance with the Service Information. Refer to INTEGRATED CONTROL UNIT (ICU), REMOVAL .
   • Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST  .

   No 

   • Perform the ABS INTERMITTENT TEST. Refer to ABS INTERMITTENT CONDITION  .