Heated Oxygen Sensor Wiring Diagram. There are 2 black wires 1 white and 1 purple or blue to a color blind person. 2005 hyundai elantra s oxygen sensors accent heated sensor tucson 2004 o2 i need wiring diagrams for find maf iat and map wires forums diagram or etc color santa fe all questions about help p0138 ricks free auto repair 5 wire front upstream 20 most recent 2011 sonata location how to replace an electrical.
All i could find online were wiring diagrams from a 2001 to 2003 civic but that is a whole different system narrow band o2 sensor. Wideband o2 sensor wire diagram 5 wiring diagram. Pacifica l v6 w 4 wire o2 sensor according to the chrysler online sch.
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At this point the four wire plug configuration seems to be the most popular type of connector appearing in aftermarket shops. Usually the heater wires on the sensors harness are both either black or white. The plug pinout has pins 1 2 swapped however 3 4 are the same. First of all we check the oxygen sensors heater wires to check if the heating wires are broken.