Toyota Highlander Service Manual: How to troubleshoot ecu controlled systems

Toyota Highlander Service Manual / Introduction / How to troubleshoot ecu controlled systems

General information
How to proceed with troubleshooting
Electronic circuit inspection procedure

Vehicle lift and support locations

1. NOTICE ABOUT VEHICLE CONDITION WHEN JACKING UP THE VEHICLE The vehicle must be unloaded before jacking up the vehicle. Never jack up/lift up a heavily loaded vehicle. When remo ...

General information

A large number of ECU controlled systems are used in the HIGHLANDER. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troub ...

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Seat belt warning system
LOCATION PROBLEM SYMPTOMS TABLE Symptom Suspected Area Driver side seat belt warning lamp does not flash IG1 fuse AM1 M-fuse RAD NO. 2 fuse Combination meter Front seat inner belt assy LH Airbag sensor assy ...