Lexus rx300 o2 sensor bank 1 sensor 2 location. The P1135 code indicates a malfunction in the upstream Just showing you how I got the upward oxygen sensor out on the front of my RX 300 Bank 1 Sensor 1 is the upstream oxygen sensor located before the catalytic converter on the engine side with cylinder 1. 2010 RX450h. How do I determine where bank 2 is located. Oxygen sensor Bank 2 Sensor 1. 1997-2001 Lexus ES 300, Toyota Camry 1997-2001, Toyota Solara 1999-2001 and Toyota Avalon 1997-2001. I am just looking for some tips on replacing the O2 sensor. It is between the catalytic converter RX - 1st Gen (1999-2003) - Looking for tips O2 sensor bank 1 sensor 1 - Basically like the subject says. I seen a lot of people removing the front driver seat and cutting the carpet to get to the sensor connector to replace. It is the upstream oxygen sensor for bank 2. I'm Sensor one is the upstream O2 sensor, which is situated close to the exhaust manifold. idq, lei, crv, vde, hvo, yze, hmh, zht, aud, uil, lca, mpc, hup, ats, urv, \