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:

Transmission valve body ASSY (U241E/U140F)
REPLACEMENT 1. REMOVE ENGINE UNDER COVER NO.1 2. DRAIN AUTOMATIC TRANSAXLE FLUID (a) Remove the drain plug, gasket and drain ATF. (b) Install a new gasket and drain plug. Torque: 49 NVm (500 kgfVcm, 36 ftVlbf) 3. REMOVE AUTOMATIC TRANSAXLE OIL PAN SUB-ASSY (a) Remove the 18 bolts, oil p ...