Toyota Highlander Service Manual: Diagnostic trouble code chart
Toyota Highlander Service Manual / Introduction / How to troubleshoot ecu controlled systems / How to proceed with troubleshooting / 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.
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:
Navigation ECU
REPLACEMENT
HINT:
COMPONENTS: See page 67-2
Installation is in the reverse order of removal.
1. REMOVE FRONT SEAT ASSEMBLY LH
POWER SEAT (SEE PAGE 72-1 1)
MANUAL SEAT (SEE PAGE 72-19 )
2. REMOVE NAVIGATION ECU COVER
(a) Remove the 4 claws and the navigation ECU cover.
3. REMOVE NA ...
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