DTC P1130 Or DTC P1150: 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 P1130: Air/Fuel Sensor Circuit Range/Performance Fault (Bank 1 Sensor 1)
DTC P1150: Air/Fuel Sensor Circuit Range/Performance Fault (Bank 2 Sensor 1)

CAUTION: If ECM replacement is instructed in following testing, always ensure ECM connectors and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction. If ECM is replaced, ECM must be programmed with proper ignition key code for engine immobilizer system. For programming procedures, see COMPUTER RELEARN PROCEDURES - IMPORT article in GENERAL INFORMATION, or appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.

NOTE: Bank 1 is also known as right bank (RH).

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