bank2 is opposite side of the cylinder 1 and sensor 1 is before catalytic converter so the 1 near the radiator on the top
its located in the back of the motor.
The rear cylinders are 1-3-5 so that is bank 1. Front cylinders are 2-4-6 so that is bank 2. Follow the exhaust pipe from bank 2 and you will find the O2 sensor.
Bank 2 Knock Sensor under intake manifold block, near the passenger side. Bank 1 is near driver side
On a 2008 Toyota Highlander, Bank 1 Sensor 1 refers to the upstream oxygen sensor located in the exhaust system. Specifically, it is positioned before the catalytic converter on the driver's side of the engine. To access it, you may need to lift the vehicle and remove any necessary components for better visibility. Always ensure the engine is cool and take safety precautions when working on the exhaust system.
before cat
its is located downstream on the backside exhaust manifold
On a 2003 Toyota Highlander with a V6 3.0 engine, Bank 2 Sensor 1 refers to the upstream oxygen sensor located on the exhaust manifold on the driver's side. Bank 2 corresponds to the side of the engine that does not contain cylinder 1, which is the passenger side in this configuration. To access it, you may need to remove certain components for better visibility and reach.
Bank 1 sensor 1 is closest to the firewall and located just below the exaust manifold. Easiest to change from under car.
replace oxygen sensor on the left bank(side towards front of car) it is located on the exhaust manifold staring you in face when hood is open Read more: Toyota Highlander Limited what does trouble code p1150 on - JustAnswer http://www.justanswer.com/toyota/490ow-toyota-highlander-limited-does-trouble-code-p1150.html#ixzz1T8tewlwW
its where the #1 cylinder is that's bank one
There are 2 catalytic converters on a V8 2002 Toyota Tundra. Bank 1 is the manifold and cat on the drivers side and bank 2 is the manifold and cat on the passenger side. Sensor 1 is the sensor on the exhaust manifold before the catalytic converter. Sensor 2 is the sensor located after the cat converter. Bank 2 Sensor 2 is the sensor located after the catalytic coverter on the passenger side.
2001 Toyota tacoma bank 1 means that it is located before the cadalic converter.