Toyota Highlander Service Manual: How to troubleshoot ecu controlled systems

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:

Ventilation valve Sub-ASSY (3MZ-FE)
REPLACEMENT 1. REMOVE VENTILATION VALVE SUB-ASSY  Disconnect the ventilation hose from the ventilation valve.  Remove the ventilation valve. 2. INSTALL VENTILATION VALVE SUB-ASSY (a) Install the ventilation valve.  Apply adhesive to 2 or 3 threads. Adhesive: Par ...