Diagnostic Test

CHARGING SYSTEM DTCS PRESENT
NOTE:
Disconnect battery charger before continuing.
1. Start the engine.
2. With the scan tool, read DTCs in the PCM.
  Are there any Charging System or related voltage DTCs present?
  
  Yes
  - Perform the appropriate Charging System DTC diagnostic procedures before continuing with this test. Refer to DTC INDEX .
  No
  - Go To 2
VERIFY THE DTC IS ACTIVE
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. Ignition on, engine not running.
2. With the scan tool, record and erase DTCs.
3. Turn ignition off to the lock position.
4. Start the engine.
5. With the scan tool, read DTCs.
  Is the DTC active at this time?
  
  Yes
  - Replace the Anit-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
  - Perform the ABS-INTERMITTENT TEST. Refer to ABS INTERMITTENT CONDITION .