DTC P0136 & DTC P0156: Notes

WARNING: This page is about a different car, the 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.

Code Definitions

DTC P0136: Heated Oxygen Sensor Circuit Malfunction (Bank No. 1, Sensor No. 2)
DTC P0156: Heated Oxygen Sensor Circuit Malfunction (Bank No. 2, Sensor No. 2)

NOTE: Bank No. 1 refers to bank which includes cylinder No. 1.

NOTE: For component location, see appropriate illustration in THEORY & OPERATION article.