Basic Knowledge Required

Before beginning diagnosis on the ABS/TCS system, obtain a detailed description of when the condition occurred or occurs from the owner. This information may be useful in duplicating the condition. Perform a quick visual check of all connectors, wiring, wire routing and retention, and system components. Many times a disconnected or loose connector, open fuse, or misrouted wire can be the cause of a problem. If a visual inspection does not reveal an obvious problem, perform the ABS/TCS Diagnostic System Check in this section. ALWAYS start with the ABS/TCS Diagnostic System Check table. This step is critical in quick and accurate diagnosis of any problem, as it will direct you to the specific system area that has a problem and will verify that the diagnostic system is functioning properly. Correct system diagnosis cannot be ensured without starting diagnosis with the ABS/TCS Diagnostic System Check. Testing and Inspection