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 ...

More about Toyota Highlander:

Overhaul
1. REMOVE MAGNETIC SWITCH ASSY (a) Remove the nut and disconnect the lead wire from the magnetic switch. (b) Remove the 2 screws holding the magnetic switch to the starter drive housing. (c) Remove the magnetic switch. (d) Remove the return spring and plunger from the drive housing. ...