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:

Cruise control
CRUISE CONTROL MAIN SWITCH REPLACEMENT HINT: Installation is in the reverse order of removal. 1. PRECAUTION (SEE PAGE 60-1 ) 2. DISCONNECT BATTERY NEGATIVE TERMINAL (SEE PAGE 60-1 ) 3. REMOVE STEERING WHEEL COVER LOWER NO.2 4. REMOVE STEERING WHEEL COVER LOWER NO.3 5. REMOVE HORN BUTTON ASSY ...