DTC P0110, DTC P0112 Or DTC P0113: Notes

WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

Code Definition

P0110: Intake Air Temperature Circuit
P0112: Intake Air Temperature Circuit Low Input
P0113: Intake Air Temperature Circuit High Input

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: If DTCs P0110, P0115 and P0120 are output together, check ground circuit E2 (Brown/White wire). See ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.