Toyota Highlander manuals

Toyota Highlander Service Manual: Diagnostic trouble code chart

Use Diagnostic Trouble Codes (DTCs) (from the DTC checks) in the table below to determine the trouble area and proper inspection procedure. The Supplemental Restraint System (SRS) diagnostic trouble code chart is shown below as an example.

Diagnostic trouble code chart


Symptom simulation
HINT: The most difficult case in troubleshooting is when no problem symptoms occur. In such cases, a thorough customer problem analysis must be carried out. A simulation of the same or similar c ...

Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot when, during a DTC check, a "Normal" code is displayed but the problem is sti ...

More about Toyota Highlander:

Precaution
CAUTION: Before working on the fuel system, disconnect the negative (-) terminal cable from the battery. Do not smoke or be near an open flame when working on the fuel system. Keep gasoline away from rubber or leather parts. 1. DISCHARGE FUEL SYSTEM PRESSURE CAUTION: Do not disconnect an ...

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