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. Cycle the ignition from off to on.
4. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to ABS INTERMITTENT CONDITION .
ABS INITIALIZATION ROUTINE
NOTE:
When performing the ABS Initialization routine, the vehicle temperature must be above 10°C (50°F).
1. With the scan tool, under "Miscellaneous Functions" perform the ABS Initialization routine.
2. With the scan tool, erase the DTCs.
3. Cycle the ignition from off to on.
4. With the scan tool, read the DTCs.
  Does the DTC remain active?
  
  Yes
  - Using the schematics as a guide, check the ABS Module pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace thee Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Test Complete.