DTC P0130, DTC P0150, DTC P2195, DTC P2196, DTC P2197 Or DTC P2198: Notes

WARNING: This page is about a different car, the 2003 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

Code Definitions

DTC P0130: Oxygen Sensor Circuit (Bank 1 Sensor 1)
DTC P0150: Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 1)
DTC P2195: Oxygen Sensor Signal Stuck Lean (Bank 1 Sensor 1)
DTC P2196: Oxygen Sensor Signal Stuck Rich (Bank 1 Sensor 1)
DTC P2197: Oxygen Sensor Signal Stuck Lean (Bank 2 Sensor 1)
DTC P2198: Oxygen Sensor Signal Stuck Rich (Bank 2 Sensor 1)

NOTE: For information on engine immobilizer system, see COMPUTERIZED ENGINE CONTROLS in THEORY & OPERATION article.

CAUTION: If ECM replacement is instructed in following testing, always ensure ECM harness connector 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 - LEXUS article.

NOTE: Bank No. 1 refers to bank that includes cylinder No. 1. Bank No. 2 refers to bank without cylinder No. 1. Sensor No. 1 refers to sensor closest to engine block.