Diagnostic Test

VERIFY DTC IS ACTIVE
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. Cycle the ignition switch from off to on.
5. With the scan tool, read the DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to ABS INTERMITTENT CONDITION .
CHECK FOR OCCUPANT RESTRAINTS CONTROLLER (ORC) DTCS
1. Refer to the recorded DTCs.
  Are there any ORC DTCs active?
  
  Yes
  - Perform the appropriate diagnostic procedures before continuing with this test. Refer to DIAGNOSIS AND TESTING .
  No
  - Go To 3
CHECK OTHER MODULES FOR CAN BUS DTCS
1. Refer to the recorded DTCs.
  Are there any CAN BUS DTCs present?
  
  Yes
  - Using the schematics as a guide, check the Occupant Restraints Controller (ORC) 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 Occupant Restraints Controller (ORC) in accordance with the Service Information. Refer to CONTROLLER, OCCUPANT RESTRAINT (ORC), REMOVAL AND INSTALLATION .
  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 System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL AND INSTALLATION .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST STANDARD PROCEDURE .