FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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How to Display and Read Diagnostic Trouble Codes: Overview


READING DIAGNOSTIC TROUBLE CODES (DTC's)

Example: How To Read Self-Diagnostic Results:





^ Determine the code number by counting the times the warning lamp flashes on and off.
^ When several malfunctions occur at one time, up to three code numbers can be stored; the latest malfunction will be indicated first.
^ The indication begins with the start code 12. After that a maximum of three code numbers are shown with the latest one appearing first. The indication then returns to the start code 12 to repeat (the indication will stay on for a maximum of five minutes).
^ Refer to "Malfunction Codes & System Diagnosis" chart.