{"product_id":"toyota-4-pin-2-2mm-fog-light-front-o2-sensor-connector-oem-6188-0217-6189-0372","title":"Toyota 4-Pin 2.2mm Fog Light \/ Front Oxygen Sensor Waterproof Connector – OEM 6188-0217 \/ 6189-0372 \/ 6188-0327","description":"\u003ch2\u003eToyota 4-Pin 2.2mm Fog Light \/ Front Oxygen Sensor Waterproof Connector – OEM 6188-0217 \/ 6189-0372 \/ 6188-0327\u003c\/h2\u003e\n\u003cp\u003eDirect OEM-specification replacement for the Sumitomo 4-pin waterproof wire harness connector used on fog lights and front (upstream) oxygen sensors across Toyota platforms. Cross-references Sumitomo \/ Toyota OEM part numbers \u003cstrong\u003e6188-0217\u003c\/strong\u003e, \u003cstrong\u003e6189-0372\u003c\/strong\u003e, and \u003cstrong\u003e6188-0327\u003c\/strong\u003e. Uses the \u003cstrong\u003e2.2mm contact series\u003c\/strong\u003e in grey nylon housing with waterproof sealing — the standard 4-pin sensor and lighting connector on Toyota’s 1JZ, 2JZ, 3S-GTE, 1NZ, 2NZ, and related engine platforms.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Problem Does This Connector Solve?\u003c\/h3\u003e\n\u003cp\u003eThe 4-pin 2.2mm connector is used on two critical circuits on Toyota vehicles. As a \u003cstrong\u003efront oxygen sensor connector\u003c\/strong\u003e, it is located in the exhaust system heat zone upstream of the catalytic converter, where thermal cycling causes the rubber seal to harden and crack, allowing moisture to corrode the terminals. A failed connector produces \u003cstrong\u003eP0130–P0135\u003c\/strong\u003e (upstream O2 sensor circuit) fault codes, causing the engine to run on open-loop fuel control — increasing fuel consumption and potentially damaging the catalytic converter. As a \u003cstrong\u003efog light connector\u003c\/strong\u003e, a failed connection causes a non-functioning fog light.\u003c\/p\u003e\n\n\u003ch3\u003eOEM Part Number Cross-Reference\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM Number\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6188-0217\u003c\/td\u003e\n\u003ctd\u003eSumitomo 4-pin 2.2mm connector (female housing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6189-0372\u003c\/td\u003e\n\u003ctd\u003eSumitomo 4-pin 2.2mm connector (alternate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6188-0327\u003c\/td\u003e\n\u003ctd\u003eSumitomo 4-pin 2.2mm connector (alternate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e4-Pin Circuit Function (Oxygen Sensor)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eFailure Symptom if Open\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eHeater power supply (12V)\u003c\/td\u003e\n\u003ctd\u003eO2 sensor heater fault, P0135\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eHeater ground\u003c\/td\u003e\n\u003ctd\u003eSensor slow to reach operating temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eO2 signal output\u003c\/td\u003e\n\u003ctd\u003eP0130–P0132, rich\/lean fault\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eSignal ground \/ reference\u003c\/td\u003e\n\u003ctd\u003eSensor signal fault\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Count\u003c\/td\u003e\n\u003ctd\u003e4-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Series\u003c\/td\u003e\n\u003ctd\u003e2.2mm pitch (Sumitomo series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eNylon, grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing\u003c\/td\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Numbers\u003c\/td\u003e\n\u003ctd\u003e6188-0217 \/ 6189-0372 \/ 6188-0327\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eFront (upstream) oxygen sensor, fog light harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eToyota Corolla \/ Camry \/ RAV4 \/ Hilux \/ Land Cruiser \/ Supra \/ Celica\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eToyota Corolla (E10–E17) \/ Camry (XV20–XV70)\u003c\/strong\u003e – Front O2 sensor and fog light connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToyota RAV4 \/ Hilux \/ Fortuner\u003c\/strong\u003e – Upstream oxygen sensor harness connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToyota Supra (JZA80) \/ Celica (ST205)\u003c\/strong\u003e – Front O2 sensor connector (1JZ \/ 2JZ \/ 3S-GTE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToyota Yaris \/ Vios \/ Wish\u003c\/strong\u003e – O2 sensor and fog light connector (1NZ \/ 2NZ engine)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My Toyota has a P0135 upstream O2 sensor heater fault — could it be the connector?\u003c\/strong\u003e\u003cbr\u003eA: Yes. A corroded or open 4-pin O2 sensor connector is a common cause of P0135 on Toyota vehicles. Test the O2 sensor heater resistance first (typically 5–20Ω) — if it is within specification, the fault is in the connector or wiring.\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":"1 set \/ male","offer_id":47838112153845,"sku":"14:200004890#male;200001249:202408827#1 set","price":15.4,"currency_code":"USD","in_stock":true},{"title":"1 set \/ female","offer_id":47838112219381,"sku":"14:200004889#female;200001249:202408827#1 set","price":14.08,"currency_code":"USD","in_stock":true},{"title":"1 set \/ female male","offer_id":47838112186613,"sku":"14:200004891#female male;200001249:202408827#1 set","price":32.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/S9cedcc11085240dd9366139b4b9fad02H.webp?v=1773726863","url":"https:\/\/www.csldmcml.com\/products\/toyota-4-pin-2-2mm-fog-light-front-o2-sensor-connector-oem-6188-0217-6189-0372","provider":"Cable Parts Online","version":"1.0","type":"link"}