Tacoma PreRunner L4-2.7L (2TR-FE) (2005)
2. Disconnect the ECU connector. Check the ground terminals (on the ECU side and wire harness side) for evidence of bending, corrosion or
foreign material. Lastly check the contact pressure of the female terminals.
Customer Problem Analysis
CUSTOMER PROBLEM ANALYSIS
HINT:
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In troubleshooting, the problem symptoms must be confirmed accurately. Preconceptions should be discarded in order to give an accurate
judgement. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the
conditions at the time it occurred.
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As much information as possible should be gathered for reference. Even past problems that seem unrelated may also help in some cases. In the
Diagnostic Section, a customer problem analysis table is provided for each system.
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5 items are important points in the problem analysis:
Important Points with Customer Problem Analysis
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What .......................................................................................................................................................................... Vehicle model, system name
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When .................................................................................................................................................................. Date, time, occurrence frequency
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Where ............................................................................................................................................................................................ Road conditions
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Under what conditions? ............................................................................................. Running conditions, driving conditions, weather conditions
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How did it happen? ................................................................................................................................................................... Problem symptoms