Toyota Highlander Service Manual: How to troubleshoot ecu controlled systems

Toyota Highlander Service Manual / Introduction / How to troubleshoot ecu controlled systems

General information
How to proceed with troubleshooting
Electronic circuit inspection procedure

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:

Overhaul
1. REMOVE OIL PUMP STRAINER SET (a) Remove the 2 nuts and oil pump strainer. 2. REMOVE OIL PUMP RELIEF VALVE (a) Using a socket wrench (27 mm), remove the plug. (b) Remove the valve spring and relief valve. 3. REMOVE OIL PUMP COVER (a) Remove the 5 bolts and oil pump cover. 4. INS ...