2003 Honda Civic O2 Sensor Wiring Diagram
Vitodeluca check these fuses first.
2003 honda civic o2 sensor wiring diagram. Also oxygen sensors need to reach a minimum operating temperature of 750. For the honda civic 2001 2002 2003 2004 2005 2006 model year. 2003 honda civic electrical wiring diagram has been viewed 2833 times which last viewed at 2020 08 04 03 59 48 and has been downloaded 16 times which last downloaded at 2016 08 24 08 48 26 uploaded by aubrey on 15 mar 2014. I am running a primary o2 from a 03 civic hx civic.
Presented here to help you understand the o2 sensor from an electronics and wiring diagram point of. The under hood fuse box is located on the passenger s side next to. Unplug the voltmeter if you don t see the correct voltage changes. 4 a f sensor 15 a fuse in the under dash fuse relay box.
The o2 sensor signal gives an indication of oxygen content sensed by the probe by sending an induced voltage that corresponds to the level of oxygen detected. 16 out of 100 based on 181 user ratings the 2003 honda civic electrical wiring diagram can be download for free. I work at honda so it was cheaper to buy this sensor. 2003 2007 honda accord.
This circuit and wiring diagram. Also some more good info for those curious about what o2 sensor to buy. If this moves the voltage to less than 0 3 the sensor is probably good. Thermostat housing ground wires honda tech honda forum discussion inside 2003 honda civic engine diagram image size 510 x 545 px and to view image details please click the image.
19 option 40 a fuse in the under hood fuse relay box. Learn about the o2 sensor electrical connection and how it relates to the ecm and signal output. As the o2 heater is resistor based polarity is not a concern here. 23 igp 7 5 a fuse in the under dash fuse relay box.
If the voltage stays steady below 0 45 it is steady low. Determine sensor signal polarity. Note down which two wires correspond to the heater circuit and proceed to test 2. But here is a link to show you the other vehicles that use the same sensor most likely just different wire lengths.
If the voltage stays steady above 0 45 it is steady high. If this occurs the honda oxygen sensor is good. A wiring diagram is a simplified traditional photographic representation of an electric circuit. It reveals the elements of the circuit as simplified forms as well as the power as well as signal links in between the tools.