High turbocharger compressor outlet temperature.EFFECT: Engine can misfire or possibly run rough.Restricted airflow through the charge air cooler.Possible causes of this fault code include: The intake manifold 1 temperature sensor measures the temperature of the charge-air as it passes through the intake manifold. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. Verify the electronic control module (ECM) calibration is correct. The maximum torque output of the engine will return and the fault code will go inactive after the intake manifold temperature drops below a calibratible limit set in the ECM. The torque output of the engine will be reduced.The ECM detects that the intake manifold temperature is greater than a calibratible limit set in the ECM.Īction Taken When the Fault Code is Active: This diagnostic runs continuously when the keyswitch is in the ON position or when the engine is running. This fault code indicates that the intake manifold temperature has exceeded the maximum engine protection limit. Therefore, the ECM sensesĪ low signal voltage, or a high temperature. The signal voltage pulls down a large amount. When the intake air is warm, the sensor resistance is low. Therefore, the ECM senses a high signal voltage or low temperature. The ECM signal voltage only pulls down a small amount through the sensor to a ground. When the intake air is cold, the sensor or thermistor resistance is high. The ECM monitors the change in voltage caused by changes in the resistance of the sensor to determine the intake manifold temperature. The electronic control module (ECM) supplies 5 volts to the intake manifold temperature signal circuit. The intake manifold 1 temperature sensor is a variable resistor sensor and is used to measure the temperature of the air entering the intake manifold of the engine. Intake manifold air temperature signal indicates intake manifold air temperature is above engine protection warning limit.ĮFFECT: Progressive power derate increasing in severity from time of alert. Intake Manifold 1 Temperature - Data Valid but Above Normal Operational Range - Moderately Severe Level.

Intake Manifold 1 Pressure/ Temperature Sensor

Cummins insite fault codes