{"product_id":"5-pin-1-2141521-1-1-1718806-1-waterproof-maf-air-flow-sensor-connector","title":"5-Pin 1-2141521-1 \/ 1-1718806-1 Waterproof MAF Air Flow Sensor Connector – 1.2mm","description":"\u003ch2\u003e5-Pin 1-2141521-1 \/ 1-1718806-1 Waterproof MAF Air Flow Meter Sensor Connector – 1.2mm\u003c\/h2\u003e\u003cp\u003eDirect-fit replacement for TE Connectivity part numbers \u003cstrong\u003e1-2141521-1\u003c\/strong\u003e (female) and \u003cstrong\u003e1-1718806-1\u003c\/strong\u003e (male), a 5-pin waterproof 1.2mm pitch connector used for mass air flow (MAF) sensor and air flow meter harness connections. A failed MAF sensor connector is one of the most common causes of MAF-related fault codes – always inspect the connector before replacing the sensor itself.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Numbers:\u003c\/strong\u003e 1-2141521-1 (female) \/ 1-1718806-1 (male)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePin Count:\u003c\/strong\u003e 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Pitch:\u003c\/strong\u003e 1.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Gauge:\u003c\/strong\u003e 22 AWG (0.3 mm²)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Length:\u003c\/strong\u003e 5.5 inches (140 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating:\u003c\/strong\u003e IP68\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e PA66 glass-filled nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e Copper alloy, tin-plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e Up to 3A per pin (signal circuits)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMAF Sensor Pin Assignment (Typical 5-Pin)\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eCircuit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e12V power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGround (sensor reference)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eMAF signal output (0–5V analog or frequency)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eIntake Air Temperature (IAT) signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eIAT ground reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eFault Codes Caused by Failed MAF Connector\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0100\u003c\/strong\u003e – MAF Circuit Malfunction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0101\u003c\/strong\u003e – MAF Circuit Range\/Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0102\u003c\/strong\u003e – MAF Circuit Low Input (open circuit at Pin 1 or 3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0103\u003c\/strong\u003e – MAF Circuit High Input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0110–P0113\u003c\/strong\u003e – IAT sensor circuit faults (shared connector)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDiagnosis Before Replacing the MAF Sensor\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eWith ignition ON, measure Pin 1 voltage – should read 12V. No voltage indicates a wiring or fuse fault upstream.\u003c\/li\u003e\n\u003cli\u003eMeasure Pin 2 resistance to chassis ground – should read less than 0.5Ω. High resistance indicates a ground circuit fault.\u003c\/li\u003e\n\u003cli\u003eWiggle the connector while monitoring MAF reading on a scan tool – any dropout during wiggling confirms a connector fault, not sensor failure.\u003c\/li\u003e\n\u003cli\u003eInspect connector for green corrosion, bent 1.2mm pins, or cracked housing.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 1-2141521-1 and 1-1718806-1?\u003c\/strong\u003e\u003cbr\u003eA: 1-2141521-1 is the female socket housing (sensor side); 1-1718806-1 is the male plug housing (harness side). For a complete repair, you typically need the female socket (1-2141521-1) which connects directly to the MAF sensor body.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can a dirty MAF sensor cause the same codes as a bad connector?\u003c\/strong\u003e\u003cbr\u003eA: Yes. P0101 (range\/performance) is commonly caused by a contaminated MAF sensor. P0102 (low input) is more commonly caused by an open circuit – inspect the connector first. Clean the MAF sensor with MAF cleaner spray before replacing either the sensor or connector.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What crimping tool is needed for 1.2mm terminals?\u003c\/strong\u003e\u003cbr\u003eA: Use a precision micro-crimper rated for 0.3mm² (22 AWG) – Engineer PA-09 or TE Connectivity 91516-1. Standard automotive crimpers will crush the 1.2mm terminal barrel.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cp\u003e1 × 5-Pin Female Connector (1-2141521-1) with 22 AWG wire, rubber wire seals, and terminal insert\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"5P \/ MaleFemale with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844188618997,"sku":"14:200004889#MaleFemale with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200952640;462:203053809","price":122.25,"currency_code":"USD","in_stock":true},{"title":"5P \/ MaleFemale with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844188651765,"sku":"14:200004889#MaleFemale with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200952640;462:203053809","price":40.8,"currency_code":"USD","in_stock":true},{"title":"5P \/ MaleFemale with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844188782837,"sku":"14:200004889#MaleFemale with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200952640;462:203053809","price":407.4,"currency_code":"USD","in_stock":true},{"title":"5P \/ Male with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844188717301,"sku":"14:200004890#Male with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200952640;462:203053809","price":76.8,"currency_code":"USD","in_stock":true},{"title":"5P \/ Male with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844188750069,"sku":"14:200004890#Male with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200952640;462:203053809","price":25.65,"currency_code":"USD","in_stock":true},{"title":"5P \/ Male with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844188684533,"sku":"14:200004890#Male with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200952640;462:203053809","price":256.2,"currency_code":"USD","in_stock":true},{"title":"5P \/ Female with Wire \/ China Mainland|Line Connector|3 Sets","offer_id":47844188848373,"sku":"14:200004891#Female with Wire;200001249:202408832#3 Sets;200007763:201336100;200497261:200952640;462:203053809","price":45.3,"currency_code":"USD","in_stock":true},{"title":"5P \/ Female with Wire \/ China Mainland|Line Connector|1 Set","offer_id":47844188881141,"sku":"14:200004891#Female with Wire;200001249:202408830#1 Set;200007763:201336100;200497261:200952640;462:203053809","price":15.15,"currency_code":"USD","in_stock":true},{"title":"5P \/ Female with Wire \/ China Mainland|Line Connector|10 Sets","offer_id":47844188815605,"sku":"14:200004891#Female with Wire;200001249:202408829#10 Sets;200007763:201336100;200497261:200952640;462:203053809","price":151.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S09cee0f8bd9a4d5ab70b24e347d11df9s.webp?v=1773810039","url":"https:\/\/www.csldmcml.com\/products\/5-pin-1-2141521-1-1-1718806-1-waterproof-maf-air-flow-sensor-connector","provider":"Cable Parts Online","version":"1.0","type":"link"}