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Diagnostic Process
A good diagnostic process is a logical sequence of steps that lead to the identification of a causal system. The following flowcharts are a graphic representation of the diagnostic process. Use the flowcharts as follows:^ Choose the appropriate flowchart.
^ Identify the operating condition that the vehicle is exhibiting.
^ Advance through the flowchart from left to right.
^ Match the operating condition to the symptom.
^ Verify the symptom.
^ Identify which category or system could cause the symptom.
^ Refer to the diagnostic symptom chart that the flowchart refers to.