Diagnostic Trouble Code Check Procedure

Diagnostic Trouble Code Check (Make a note of and then clear)

Confirmation of Symptoms

Diagnostic Trouble Code Check

Problem Condition

Diagnostic Trouble Code Display

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Problem symptoms exist no'iir:

Same diagnostic trouble code is displayed

Problem is still occurring in the diagnostic circuit »

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Normal code is displayed

The problem is still occurring in a place other than in the diagnostic circuit (The diagnostic trouble code displayed first is either for a past problem or it is a secondary problem)

No problem symptoms exist

The problem occurred in the diagnostic circuit in the past

Normal Code Display^

Problem symptoms "exist _

Normal code is displayed

The problem is still occurring in a place other than in the diagnostic circuit

No problem symptoms exist

Normal code is displayed

The problem occurred in a place other than in the diagnostic circuit in the past

Taking into account the above points, a flow chart showing how to proceed with troubleshooting using the diagnostic trouble code check is shown below. ThiS'flow chart shows how to utilize the diagnostic trouble code check effectively, then by carefully checking the results, indicates how to proceed either to diagnostic trouble code troubleshooting or to troubleshooting of problem symptoms.

Diagnostic trouble code check

Making a note of and clearing of the diagnostic trouble codes displayed msidoiq en* tue .b^rrvutnon sd 8<?nu;

Symptom confirmation

Problem symptoms exist

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Do It Yourself Car Diagnosis

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Responses

  • kori rackley
    How to check codes on a 1kzte?
    6 years ago
  • valentin
    How to clear fault codes 1kzte?
    6 years ago
  • Almaz
    How to check toyota hilux diagnostic codes?
    4 years ago
  • isaias
    How to read fault codes from 1kzte?
    3 months ago

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