Initial Inspection and Diagnostic Overview

Special Tool(s)





Inspection and Verification

Part 1 Of 2:

Part 2 Of 2:

Anti-Lock Quick Check Sheet

1. Verify the customer's concern by operating the vehicle and applying the brakes under different conditions to duplicate the condition.

Visual Inspection Chart:

2. Inspect to determine if one of the mechanical or electrical concerns apply.
3. If the concern remains after the inspection. connect the scan tool to the Data Link Connect (DLC) located beneath the instrument panel. and select the vehicle to be tested from the scan tool menu. If the scan tool does not communicate with the vehicle:
^ check that the program cared is correctly installed.
^ check the connections to the vehicle.
^ check the ignition switch position.
4. It the scan tool still does not communicate with the vehicle, refer to the scan tool manual.
5. Perform the DATA LINK DIAGNOSIS TEST. If scan tool responds with:
^ CKT914, CKT015 or CKT70 = ALL. ECUS NO RESP/NOT EQUIP refer to Module Communications Network.
^ NO RESE,/NOT EQUIP for anti-lock brake control module. GO to Pinpoint Test F. Test F
^ SYSTEM PASSED. retrieve and record the continuous Diagnostic Trouble Codes (DTCs), erase the continuous DTCs and perform self-test diagnostics for the anti-lock brake control module.
6. If the DTCs retrieved are related to the concern, go to Anti-Lock Brake Control Module Diagnostic Trouble Code (DTC) Index to continue diagnostics. Diagnostic Trouble Code Tests and Associated Procedures
7. If no DTCs related to the concern are retrieved, GO to Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures