Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
After erasing ACTIVE DTCs it may be necessary for the Anti-lock Brake System (ABS) Module to go to sleep before the DTCs are cleared. IF the DTC is still ACTIVE after the clear command then Turn the ignition off, disconnect the Scan Tool, close the doors and wait until all indicators on the Cluster have gone out, typically about 30 seconds.

NOTE:
This DTC must be active for the results of this test to be valid.
1. Perform any Service Bulletins that may apply.
2. Turn the ignition on.
3. With the scan tool, read ABS DTCs and record on the repair order.
4. With the scan tool, read and record Environmental Data.
5. With the scan tool, erase ABS DTCs.
6. Start the engine.
7. Slowly turn the steering wheel from stop to stop.
8. With the scan tool, read ABS DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to ABS INTERMITTENT CONDITION .
CHECK FOR ANY ENGINE DTCs
1. Turn the ignition on.
2. With the scan tool, read ABS DTCs and record on the repair order in the PCM.
3. Cycle the ignition switch from off to on.
4. With the scan tool, read DTCs in the PCM.
  Are there any PCM DTCs?
  
  Yes
  - Perform the appropriate diagnostic procedure. Refer to DTC INDEX .
  No
  - Using the schematics as a guide, check the Anti-lock Brake System (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 the Anti-lock Brake 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 .