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:

Knock sensor (3MZ-FE)
REPLACEMENT 1. DISCHARGE FUEL SYSTEM PRESSURE (See page 11-35 ) 2. DRAIN ENGINE COOLANT (See page 16-26 ) 3. REMOVE V-BANK COVER SUB-ASSY (See page 14-149 ) 4. REMOVE AIR CLEANER CAP SUB-ASSY (See page 14-149 ) 5. REMOVE EMISSION CONTROL VALVE SET (See page 14-149 ) 6. REMOVE INTAKE AIR SURGE ...