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:

Engine coolant
The coolant level is satisfactory if it is between the “full” and “low” lines on the reservoir when the engine is cold. Reservoir cap “full” line “low” line If the level is on or below the “low” line, add coolant up to the “full” line. Coolant selection On ...