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DTC NO. DTC DETECTION CONDITION TROUBLE AREA P0113 Open in IAT sensor circuit for 0.5 seconds (1 trip detection logic) Open in IAT sensor circuit IAT sensor (built into MAF meter) ECM HINT: TEMPERATURE DISPLAYED MALFUNCTION -40°C (-40°F) Open circuit 140°C (284°F) or higher Short circuit MONITOR DESCRIPTION The ECM monitors the sensor voltage and uses this value to calculate the IAT. When the sensor output voltage deviates from the normal operating range, the ECM interprets this as a malfunction in the IAT sensor and stores a DTC. Example: If the sensor output voltage is more than 4.91 V for 0.5 seconds or more, the ECM determines that there is an open in the IAT sensor circuit, and sets DTC P0113. Conversely, if the output voltage is less than 0.18 V for 0.5 seconds or more, the ECM determines that there is a short in the sensor circuit, and sets DTC P0112. If the malfunction is not repaired successfully, a DTC is stored 0.5 seconds after the engine is next started. MONITOR STRATEGY Related DTCs P0112: IAT sensor range check (Low voltage) P0113: IAT sensor range check (High voltage) Required Sensors/Components (Main) IAT sensor Required Sensors/Components (Related) - Duration 0.5 seconds MIL Operation Immediate TYPICAL ENABLING CONDITIONS Monitor runs whenever following DTCs not present None Battery voltage 8 V or more Ignition switch ON Starter OFF TYPICAL MALFUNCTION THRESHOLDS 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0112,P0113... |