5 Wire 02 Sensor in VX's..
Thread Starter
Honda-Tech Member
iTrader: (1)
Joined: Aug 2001
Posts: 4,180
Likes: 1
From: Funfax, VA, United States
Ok my swap is pretty damn plug and play as In my other topic i state before, its a OBD-II GSR motor into a 94 VX. I am using a Skunk2 intake mani w/FF Special1 ECU, so bye bye IABs and Knock Sensor
VX = pre-wired for VTEC, suh-weeet.
Now its the 5-wire o2 sensor, what has to be done actually to repin it to the correct location..? Lets clear this up because I know a lot of people want to know
VX = pre-wired for VTEC, suh-weeet.
Now its the 5-wire o2 sensor, what has to be done actually to repin it to the correct location..? Lets clear this up because I know a lot of people want to know
You need to swap the 5-wire O2 for a 4-wire O2.
Let me know if you need one - I have a 4-wire here I'd be willing to work a deal with you for your 5-wire one.
Please email me.
Let me know if you need one - I have a 4-wire here I'd be willing to work a deal with you for your 5-wire one.
Please email me.
Thread Starter
Honda-Tech Member
iTrader: (1)
Joined: Aug 2001
Posts: 4,180
Likes: 1
From: Funfax, VA, United States
hey Cresent - thanks for the info. Anyway the swap isnt gonna go down until end of July, i dont know if you want to wait, ill most likely end up buying 4-wire from sohfast or something.
So how do i go about replacing the 5-wire w/4-wire..
So how do i go about replacing the 5-wire w/4-wire..
I have a VX, you don't need to repin anything if you are going to use the OBDII GSR wire harness. The primary O2 plug is on that harness. All you need is to get a GSR O2 sensor and plug it in. I did repin the knock sensor and the IAB. since you are not using those two sensors. All you need is plug everything together. Just to let you know ahead. one of the engine harness plug on the passenger side will not plug up to the chasis side, but you won't need it any ways.
Thread Starter
Honda-Tech Member
iTrader: (1)
Joined: Aug 2001
Posts: 4,180
Likes: 1
From: Funfax, VA, United States
I dont have the FULL gsr wiring harness from ECU to the motor, i have where it plugs into the civic part...can i still just plug it up?
[Modified by navin, 5:44 PM 6/20/2002]
[Modified by navin, 5:44 PM 6/20/2002]
You need to swap the 5-wire O2 for a 4-wire O2.
Let me know if you need one - I have a 4-wire here I'd be willing to work a deal with you for your 5-wire one.
Please email me.
Let me know if you need one - I have a 4-wire here I'd be willing to work a deal with you for your 5-wire one.
Please email me.
i have already posted about this but i dont wanna go crazy looking for an answer then find out someone has already ran into this. [Modified by hondaeg5, 6:03 PM 6/20/2002]
People typically want the 5-wire VX O2's because there is a DIY WideBand O2 kit that uses it.
The differences between these O2's are night and day.
Since your using a LS ECU, you need to use a 4-wire O2.
And when you get a free chance, you need to look into your Helms.
The differences between these O2's are night and day.
Since your using a LS ECU, you need to use a 4-wire O2.
And when you get a free chance, you need to look into your Helms.
Trending Topics
You could still plug it up with no problem, Because all I got is just the GSR engine harness as well, It is too much trouble to wire it all the way to the ECU. you have to take the dash apart and do all the other stuff too.
If anyone has a used 5-wire for sale, please let me know. Bought my '92 VX last week and the O2 went bad yesterday. Considering I'm gonna do a swap in a couple of months, don't really wanna spend the money for a new one. Thanks.
Thread Starter
Honda-Tech Member
iTrader: (1)
Joined: Aug 2001
Posts: 4,180
Likes: 1
From: Funfax, VA, United States
so how do i go about adding a 4-wire, just taking out the existing 5-wire in the harness and putting in the 4-wire??
Answers please
Answers please
What about if you use a 4 wire o2 and reuse the vx harness? What would need to be done then? Will the 4 wire plug into the harness and the pinouts be correct?
I'm in the same boat. I found a new 4 wire 02 sensor for ~$90. I'm going to cut the old connector off of the JDM wiring harness I have. I'm pretty sure the connector for the 5 wire is different. I'll probably just splice it into the vx harness were the 5 wire is. If I can't find for sure which wires on the 5 wire connector are the ones I need, I'll just use a trial and error method until I figure it out.
Trial and Error ehh....thats the worst approach I've ever seen someone take to fixing there car.
Why don't you instead buy a Helms....or at least a Chiltons or Haynes?
I mean, thats a great deal on new O2....but it ain't gonna be worth squat when you blow something internal to the ECU and have to spend a couple hundred for a new/used one.
A Helms is roughly $60.....your call.
Why don't you instead buy a Helms....or at least a Chiltons or Haynes?
I mean, thats a great deal on new O2....but it ain't gonna be worth squat when you blow something internal to the ECU and have to spend a couple hundred for a new/used one.
A Helms is roughly $60.....your call.
the way i did it was was got the o2 sensor harness that the o2 sensor plugs into from a junk yard over here and the is a orangeblack, green with white stripe, yellow with black stripe and i believe a white wire. i just forgot about the vx o2 sensor and did it direct the orangeblack goes too a6 on the ecu, the green with white stripe i just tapped into the one on the vx wire harness all it is, is a ground but make sure that it is the ground if not there is one on the tps sensor green with white you can tap off that one too then there is yellow with black look at the driver side fire wall next too the clutch resivor your engine harness should have a few of the them tap into one of them all they are 12 volts when you have the key on make sure there is 12 volts when the key is on, then you have your last wire which is the signal should be white witch goes too d14 on the ecu
the way i did it was was got the o2 sensor harness that the o2 sensor plugs into from a junk yard over here and the is a orangeblack, green with white stripe, yellow with black stripe and i believe a white wire. i just forgot about the vx o2 sensor and did it direct the orangeblack goes too a6 on the ecu, the green with white stripe i just tapped into the one on the vx wire harness all it is, is a ground but make sure that it is the ground if not there is one on the tps sensor green with white you can tap off that one too then there is yellow with black look at the driver side fire wall next too the clutch resivor your engine harness should have a few of the them tap into one of them all they are 12 volts when you have the key on make sure there is 12 volts when the key is on, then you have your last wire which is the signal should be white witch goes too d14 on the ecu
It's one big sentence and hard to understand. Thanks for trying, I just can't understand it.
I will make it simple for you. There are a couple of ways to do it.
1. Use a multimeter and do a continuity test between the 5-wire O2 sensor plug on the VX engine harness and the ECU plugs. Test each wire on the 5-wire O2 sensor plug to find its corresponding ECU pin location. Once you know the locations cut the 5-wire O2 sensor plug off and splice in a 4-wire O2 sensor plug.
2. Just get a 4-wire O2 sensor plug and run the wires directly to the ECU.
yel/blk - A25 - 12V switched
org/blk - A6 - O2 heater control
grn/wht - D22 - sensor ground
wht/red - D14 - O2 signal wire.
It is my understanding that you are putting a B-series DOHC VTEC motor into your '92-'95 Honda Civic VX using the VX engine harness. If this is correct then the information I gave you will get you through this.
-kenji
1. Use a multimeter and do a continuity test between the 5-wire O2 sensor plug on the VX engine harness and the ECU plugs. Test each wire on the 5-wire O2 sensor plug to find its corresponding ECU pin location. Once you know the locations cut the 5-wire O2 sensor plug off and splice in a 4-wire O2 sensor plug.
2. Just get a 4-wire O2 sensor plug and run the wires directly to the ECU.
yel/blk - A25 - 12V switched
org/blk - A6 - O2 heater control
grn/wht - D22 - sensor ground
wht/red - D14 - O2 signal wire.
It is my understanding that you are putting a B-series DOHC VTEC motor into your '92-'95 Honda Civic VX using the VX engine harness. If this is correct then the information I gave you will get you through this.
-kenji
If anyone has a used 5-wire for sale, please let me know. Bought my '92 VX last week and the O2 went bad yesterday. Considering I'm gonna do a swap in a couple of months, don't really wanna spend the money for a new one. Thanks.
Thanks Kenji! I was thinking there was maybe a way to rewire the vx 02 sensor and reuse it but I'll just pick up a 4 wire.
I found one at http://www.foreigncarpartsonline.com/ for ~$90 so if anyone is looking, might as well put in a new one if your going through the trouble.
And EF_chris, thanks for your concern and I can see how my post can be construed by some as ignorant, but I do indeed own a helms manual. I was never planning on hooking the wires up will nilly and hoping for the best.
I found one at http://www.foreigncarpartsonline.com/ for ~$90 so if anyone is looking, might as well put in a new one if your going through the trouble.
And EF_chris, thanks for your concern and I can see how my post can be construed by some as ignorant, but I do indeed own a helms manual. I was never planning on hooking the wires up will nilly and hoping for the best.
The zone and advanced have the universial Bosch 4 wire 02's for our cars (I used on on my old 92 dx) They used to be $60 or so, if all else fails...
*Just a note.. On my VX D22 is orange w/ blue stripe. I wired my 02 with the instructions provided earlier, still cant get the damn thing to work. A6, A25,D14,D22. Its getting old now! Anyone in the local Brevard area can help me out?
refresh my memory!!! ok what we did my boy has a 92 vx hatchback, he bought a 95 gsr motor swap complete. used the gsr engine harness. pluged everything up. took the 95 gsr o2 sensor and used that. so what else does he need to wire up.. used 95 ecu.. no check engine lights. but to me i still cant feel the vtec kick in.. does he need to wire up anything else? thanks.....



