No 3-O/D Upshift
WARNING: This page is about a different car, the 2003 Toyota RAV4, 2002 Toyota RAV4, 2002 Toyota Highlander, 2001 Toyota RAV4, and 2001 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Check O/D main switch and O/D OFF indicator circuit, O/D cancel signal circuit, SL1 and SL2 shift solenoid circuit, VSS circuit, Engine Coolant Temperature (ECT) sensor circuit, ECM, 3-4 shift valve and underdrive brake.