Can any one tell me the wiring codes on both upstream and down stream o2 sensors? The wires I see on one o2 sensor are a total of 5 leads-their colors are black; blue; yellow; white; grey. On the other o2 sensor (exhaust) has a total of 4 leads, their colors are green; pink; white and black. I'm trying to diagnose the o2 sensors to try and find out if its faulty wiring some where or I in fact DO have a bad sensor. My question is which wire would I hook up to using a multi meter to basically see what the computer is seeing? Thank you.

20

Asked by Mar 31, 2013 at 06:22 PM about the 2004 Hyundai Elantra GLS

Question type: Maintenance & Repair

1 Answer

26,655

the pink and white is the heater circuit. and the green and black is for the sensor.

Your Answer

Add photo

Related Questions

Search Hyundai Elantra Questions

Hyundai Elantra Experts

#1 pittgirl
pittgirl
Reputation 1,980
#2 Carrie Shelton
Carrie Shelton
Reputation 1,370
#3 tenspeed
tenspeed
Reputation 1,010
View All

Related Models For Sale

Used Hyundai Sonata
533 Great Deals out of 50,273 listings starting at $1,300
Used Honda Civic
510 Great Deals out of 81,680 listings starting at $558
Used Toyota Corolla
766 Great Deals out of 75,602 listings starting at $1,790
Used Honda Accord
719 Great Deals out of 83,067 listings starting at $500
Used Toyota Camry
873 Great Deals out of 92,511 listings starting at $1,300
Used Hyundai Accent
159 Great Deals out of 12,801 listings starting at $1,300
Used Nissan Altima
842 Great Deals out of 78,325 listings starting at $470
Used Kia Optima
393 Great Deals out of 30,120 listings starting at $1,700
Used Ford Focus
546 Great Deals out of 55,822 listings starting at $1,495
Used Mazda MAZDA3
217 Great Deals out of 29,725 listings starting at $1,000
Used Nissan Sentra
473 Great Deals out of 54,194 listings starting at $2,000

Used Cars For Sale

2014 Hyundai Elantra GLS For Sale
29 listings starting at $9,895
2013 Hyundai Elantra GLS For Sale
91 Great Deals out of 2,540 listings starting at $5,495