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Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 137 (Engine Control System Self Diagnostics (2UZ-FE)) >> Diagnostic Tests >> DTC P0110, DTC P0112 &/Or DTC P0113 >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

Intake Air Temperature (IAT) sensor is a thermistor built into Mass Airflow (MAF) meter and is used to monitor temperature of intake air flowing through MAF meter. DTC is set when ECM detects an open or short in IAT sensor circuit. If DTCs P0110, P0112 and/or P0113 exists, ECM will operate in fail-safe mode in which intake air temperature is assumed to be 68°F (20°C). Possible causes are:

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