Subaru O2 Sensor Wiring Diagram

I tried to change my front o2 sensor on my 1998 forester today have been getting the front o2 sensor heater circuit cel and accidentally pulled out the 3 wires from the connector before identifying which goes where. My solution after new sensor didnt work.

2002 Subaru Wrx Exhaust Diagram Wiring Diagram Post

The connectors for each sensor are shown and identified eg connector b18 for the front sensor and t6 for the rear sensor.

Subaru o2 sensor wiring diagram. Subaru legacy service manual. Learn about the o2 sensor electrical connection and how it relates to the ecm and signal output. To identify their shape look at the bottom of the page.

Subaru wiring diagram lovely beautiful three wire o2 sensor wiring. There is a yellowred wire that goes from the af connector to the. I need the wiringsignal pinout for the upstream o2 sensor on a 2002 subaru legacy wagon.

2004 legacy service manual quick reference index wiring system section this service manual has been prepared to provide subaru service personnel with the necessary information and data for the correct maintenance and repair. Af sensor front catalytic converter rear catalytic converter rear oxygen sensor en 02091 en 02092 enh4so 25diag 12. Subaru wiring diagram beautiful wonderful gm oxygen sensor wiring.

Presented here to help you understand the o2 sensor from an electronics and wiring diagram point of. The sensor is the one just below the axle. If you have the factory wiring diagram the sensors are shown in the engine electrical system pages.

2 white 1 black. A schematic diagram the differential oxygen sensor od and its. 2004 year engine section 1.

P0031 in the fsm check ohms on terminals 12 of sensor connector and i was getting no reading. And correct me if im wrong but the front oxygen sensor is the sensor on your exhaust after the cat. I bought a universal bosch 3 wire as a replacement which has two white and one black wire.

4 wire oxygen sensor wiring diagram collections of 4 wire oxygen sensor wiring diagram download. Each connector has a diagram of the shape and the pin numbers. On the harness side white yellowred greywhite.

Specifically does one of the answered by a verified subaru mechanic. Some details pics jdm sf5 2000 us my2001 3 wire sensor. I know that the black wire is the critical one.

Ec ek and. Although malfunction indicator light comes on when the engine runs dtc is not shown on the subaru select monitor display. The wiring diagram of each system is illustrated so.

Googles not helping everyone elses wiring harness uses different colors from mine i have a unique subaru.

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