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Old 02-24-2012, 02:30 AM   #1
kricha87
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Default BOSCH 5 Wire wideband and Kpro

Really need some help.

So i have Bosch wideband o2 sensor(Bosch
part no 0 258 007 137) and i want to connect it to my Hondata Kpro.

I already have 4 wires ready for wideband o2, but Bosch wideband is 5 wire.
So which wire goes where? Because wideband sensor has one that shouldn't be connected.

Wire colors on Bosch sensor are:

RED - ?
BLACK - ?
WHITE - ?
GRAY - ?
YELLOW - ?

This is the sensor - http://www.lambdasensor.com/main/bos...tem=0258007137

P.s. As far as i found out from here - http://www.motec.com/sensors/lambdasensors/

GRAY - heater + (what pin on ECU?)
WHITE - heater - (what pin on ECU?)

Now i'm confused..
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Old 02-24-2012, 03:26 AM   #2
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

My idea is this:

1 Primary O2 signal (+) -> Ip (RED) wire on Bosch?
Continuity to C101 pin 19 (from there the wire goes over to ecu A6)

2 Primary O2 ground (-) -> (BLACK) wire on Bosch?
Continuity to C101 pin 13 (from there the wire goes over to ecu A16)

3 Primary O2 Heater signal (+) -> GRAY wire on Bosch?
Continuity to C101 pin 15 (from there the wire goes over to ecu A22)
*NOTE: This wire is also divided and leads into a relay.

4 Primary O2 Heater ground (-) -> WHITE wire on Bosch?
Continuity to C101 pin 10 (from there the wire goes over to ecu pin A1)
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Old 02-24-2012, 02:18 PM   #3
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

C'mon...please some advise..
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Old 02-24-2012, 08:10 PM   #4
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

I actually had a Bosch one but cant remember the colors, I sold it a while back, Mine was only a 4 wire sensor like the Denso , just different colors. Are you sure you even have the right one? I dont even recall seeing any red or yellow wires on any Brand RSX-S one?
I have brand new Denso primary RSX-S wideband sensors instock ready to ship only $120 to your door, plug and play no messing around with your old sensor. Ive personally already had all these headaches with Primary wideband sensors your having, not even worth it to me, I bought a brand new one and plugged her in and bam!, I was back on track

Last edited by bodyman; 02-24-2012 at 08:18 PM..
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Old 02-24-2012, 08:20 PM   #5
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

what chassis do you have? what year kpro ecu... 02-04? which swap harness (if its a swap)?
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Old 02-25-2012, 07:40 PM   #6
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

It's K24/K20 swap in dc2. Harness is self made. 02-04 kpro.
I want to find out what those colors mean.
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Old 02-25-2012, 08:24 PM   #7
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

Quote:
Originally Posted by kricha87 View Post
It's K24/K20 swap in dc2. Harness is self made. 02-04 kpro.
I want to find out what those colors mean.
I'm gonna go on a wimb and say you might not even have the right sensor since its a 5 wire and its all wrong looks like to me. You should look at getting something else. That's not the Denso sensor you need for the rsx-s for your swap
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Old 02-26-2012, 05:01 AM   #8
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

I know that some people are using 5 wire wideband sensors.
need some more input on this..

5 wire wideband uses some kind of tank pressure sensors or something like this.. And the other 4 wires are the same as 4 wire sensor, so why it should be impossible to use 5 wire?
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Old 02-26-2012, 06:42 AM   #9
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

Quote:
Originally Posted by kricha87 View Post
I know that some people are using 5 wire wideband sensors.
need some more input on this..

5 wire wideband uses some kind of tank pressure sensors or something like this.. And the other 4 wires are the same as 4 wire sensor, so why it should be impossible to use 5 wire?
I didn't say it was impossible. It's just the one you need is the primary af sensor from the rsx-s
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Old 02-26-2012, 02:34 PM   #10
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

I want to use sensor that i have. So i need some help from someone who knows Bosch wideband wiring. For example what means:
Ip and Vs?
I want to figure out Bosch wiring. This sensor costs like 40$ in my country, a lot cheaper than RSX.
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Old 02-27-2012, 02:02 AM   #11
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Default Re: BOSCH 5 Wire wideband and Kpro, Help



So as far as i know then

White is Header -
Grey is Header +

Now i need to figure out what is:

1. Ip - ?
2. Vs/Ip - ?
3. Vs - ?

Which one of those 3 wires above are for Primary O2 signal+ and Primary O2 ground -?
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Old 02-27-2012, 06:58 PM   #12
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

this is just a guess from taking a quick look at my wire manuals but its worth a shot because you dont want to use the proper sensor for your setup, ebaby has new denso sensors for $100 so dont say they cost to much and if you fuck up your computer its not my fault

the 5wire info came from my TL 04-06 manual so not sure about other years

5wire - rsx computer
yellow- A1
gray - A6
blue - tap A22
black - A16
white- dont use
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Old 03-06-2012, 12:45 PM   #13
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

I dod some research and find some good info about 5 wire bosch.

Wire colors for Bosch LSU 4.2 are:

1. RED - Pump+
2. BLACK - Sensor+
3. WHITE - Heater -
4. YELLOW - Pump-/Sensor-
5. GRAY - Heater+

So:

1 Primary O2 signal (+) -> BLACK wire on Bosch
Continuity to C101 pin 19 (from there the wire goes over to ecu A6)

2 Primary O2 ground (-) -> YELLOW wire on Bosch
Continuity to C101 pin 13 (from there the wire goes over to ecu A16)

3 Primary O2 Heater signal (+) -> GRAY wire on Bosch
Continuity to C101 pin 15 (from there the wire goes over to ecu A22)
*NOTE: This wire is also divided and leads into a relay.

4 Primary O2 Heater ground (-) -> WHITE wire on Bosch
Continuity to C101 pin 10 (from there the wire goes over to ecu pin A1)
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Old 02-21-2013, 11:06 PM   #14
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Default Re: BOSCH 5 Wire wideband and Kpro, Help

Quote:
Originally Posted by kricha87 View Post
I dod some research and find some good info about 5 wire bosch.

Wire colors for Bosch LSU 4.2 are:

1. RED - Pump+
2. BLACK - Sensor+
3. WHITE - Heater -
4. YELLOW - Pump-/Sensor-
5. GRAY - Heater+

So:

1 Primary O2 signal (+) -> BLACK wire on Bosch
Continuity to C101 pin 19 (from there the wire goes over to ecu A6)

2 Primary O2 ground (-) -> YELLOW wire on Bosch
Continuity to C101 pin 13 (from there the wire goes over to ecu A16)

3 Primary O2 Heater signal (+) -> GRAY wire on Bosch
Continuity to C101 pin 15 (from there the wire goes over to ecu A22)
*NOTE: This wire is also divided and leads into a relay.

4 Primary O2 Heater ground (-) -> WHITE wire on Bosch
Continuity to C101 pin 10 (from there the wire goes over to ecu pin A1)
Sup man,

So did it work? the Bosch LSU 4.2 sell for 60 here compared to the OEM thats 285,

Mitch
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