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 LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Code Definitions

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