Highlander 2WD V6-3.3L (3MZ-FE) Hybrid (2006)
2. Disconnect the ECU connector. Check the ground terminal on the ECU side and wire harness side for bending, corrosion or foreign matter.
Lastly, check the contact pressure of the female terminals.
Customer Problem Analysis
CUSTOMER PROBLEM ANALYSIS
HINT:
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In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an
accurate judgment. 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 the malfunction occurred.
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Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
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The given 5 items are important points in the problem analysis:
Symptom Confirmation and Diagnostic Trouble Code
SYMPTOM CONFIRMATION AND DIAGNOSTIC TROUBLE CODE
HINT: The diagnostic system in the HIGHLANDER HV has various functions.