Circuit Description
WARNING: This page is about a different car, the 2003 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
For circuit description, see Figure.
A/F sensors are located on exhaust manifold above catalytic converters. See Figure. A/F sensor for cylinders No. 1 and 4 is referred to as Bank 1 Sensor 1. A/F sensor for cylinders No. 2 and 3 is referred to as Bank 2 Sensor 1.