{"product_id":"2-pin-intake-manifold-temperature-sensor-connector-female-oem-iat-mat-harness","title":"2-Pin Intake Manifold Temperature Sensor Connector – Female OEM | IAT MAT Harness","description":"\u003ch2\u003e2-Pin Intake Manifold Temperature Sensor Wire Harness Connector – Female OEM | IAT \/ MAT\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e2-pin female connector\u003c\/strong\u003e is used in intake manifold temperature sensor (also called Intake Air Temperature \/ IAT or Manifold Air Temperature \/ MAT sensor) harnesses. The 2-pin configuration carries sensor signal and ground circuits. The IAT\/MAT sensor measures the temperature of air entering the engine, allowing the ECU to adjust fuel delivery and ignition timing for optimal combustion. Available bare or with 15cm pre-wired leads.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin count:\u003c\/strong\u003e 2-pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Female\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHousing material:\u003c\/strong\u003e High-temp nylon (PA66)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable as:\u003c\/strong\u003e Bare connector or 15cm pre-wired leads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Intake manifold temperature sensor (IAT \/ MAT) harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e2-Pin IAT Sensor Circuit Assignment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 1 (SIG):\u003c\/strong\u003e Sensor signal output (NTC thermistor — resistance decreases as temperature increases)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 2 (GND):\u003c\/strong\u003e Sensor ground (shared sensor ground reference from ECU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow the IAT Sensor Works\u003c\/h3\u003e\n\u003cp\u003eThe IAT sensor is a Negative Temperature Coefficient (NTC) thermistor — its resistance decreases as temperature increases. The ECU applies a 5V reference voltage through a pull-up resistor; the voltage at the signal pin varies with the sensor’s resistance (and therefore temperature). The ECU uses this voltage to calculate intake air temperature and adjust:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel injection pulse width:\u003c\/strong\u003e Cold air is denser, requiring more fuel; hot air is less dense, requiring less fuel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIgnition timing:\u003c\/strong\u003e Hot intake air increases knock risk; the ECU retards timing to prevent detonation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoost pressure (turbocharged engines):\u003c\/strong\u003e High intake air temperature triggers boost reduction to protect the engine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCold start enrichment:\u003c\/strong\u003e Cold intake air temperature triggers additional fuel enrichment for cold starting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFault Codes This Connector Fixes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP0110:\u003c\/strong\u003e Intake Air Temperature Sensor 1 Circuit Malfunction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP0111:\u003c\/strong\u003e Intake Air Temperature Sensor 1 Circuit Range\/Performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP0112:\u003c\/strong\u003e Intake Air Temperature Sensor 1 Circuit Low Input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP0113:\u003c\/strong\u003e Intake Air Temperature Sensor 1 Circuit High Input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP0114:\u003c\/strong\u003e Intake Air Temperature Sensor 1 Circuit Intermittent\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My engine has poor fuel economy and P0113 (IAT circuit high input) — is this the connector?\u003c\/strong\u003e\u003cbr\u003eA: P0113 (high input) means the ECU is reading a very high resistance on the IAT signal pin, which it interprets as very cold air temperature. This causes the ECU to over-enrich the fuel mixture, reducing fuel economy and increasing emissions. A corroded or open-circuit IAT connector causes P0113. Replace the connector before replacing the IAT sensor ($15–40).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are terminals included?\u003c\/strong\u003e\u003cbr\u003eA: Yes, terminals are included with all variants.\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"Male","offer_id":47831544758517,"sku":"14:202642826#Male","price":12.5,"currency_code":"USD","in_stock":true},{"title":"Male 15CM","offer_id":47831544824053,"sku":"14:200004891#Male 15CM","price":14.0,"currency_code":"USD","in_stock":true},{"title":"A Female","offer_id":47831544889589,"sku":"14:200004889#A Female","price":12.5,"currency_code":"USD","in_stock":true},{"title":"A Female 15CM","offer_id":47831544791285,"sku":"14:200003699#A Female 15CM","price":14.0,"currency_code":"USD","in_stock":true},{"title":"B Female","offer_id":47831544856821,"sku":"14:200004890#B Female","price":28.0,"currency_code":"USD","in_stock":true},{"title":"B Female 15CM","offer_id":47831544922357,"sku":"14:200002130#B Female 15CM","price":29.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/Sa27304d08e764bbd91ffa9961242128c6.webp?v=1773629296","url":"https:\/\/www.csldmcml.com\/products\/2-pin-intake-manifold-temperature-sensor-connector-female-oem-iat-mat-harness","provider":"Cable Parts Online","version":"1.0","type":"link"}