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Vehicle on-Board Diagnostics


Diagnostic Trouble Code Guide - Antilock Brake System And Traction Control System:






Perform "ABS/TCS Functional Check" before beginning diagnosis. Functional Check

Intermittent "History" Diagnostic Trouble Codes:
Refer to "System Self-Diagnosis".
Stored diagnostic trouble codes that do not light the amber ANTILOCK indicator are Intermittent problems or history codes that were not cleared during prior service. Do not use diagnostic trouble code diagnosis for intermittent problems until referring to "intermittents and poor connections".

Multiple Diagnostic Trouble Codes:
Diagnose first diagnostic trouble code that appears on bi-directional scan tool screen.

Clearing Diagnostic Trouble Codes:
Repair problem.
Use a bi-directional scan tool to clear codes.
Cycle ignition switch.
After clearing diagnostic trouble code, repeat "ABS/TCS Functional Check" to assure all problems have been repaired.