HomemadeTurbo - DIY Turbo Forum

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-   -   obdo to obd1 (https://www.homemadeturbo.com/hybrid-tech-8/obdo-obd1-1393/)

whiteb16crx Jan 29, 2003 10:58 PM

obdo to obd1
 
well i have a b16 ist gen in my crx with two o2 sensors. i want to put a obd1 with aem computer. how can i hooked up the new o2 sensors with 4 wire. anybody please help. the conversion is 265 shipped. at http://locashracing.com/pages/harness.htm

JHill Jan 30, 2003 12:18 AM

Re:obdo to obd1
 
You need to get the regular 4 wire O2 sensor (or a wideband since your using the EMS) and put in the header at the collector where most headers have a bung, and then put plugs into the two bungs that are left where the old O2 sensors were.


whiteb16crx Jan 30, 2003 04:13 PM

Re:obdo to obd1
 
i understand i have to use a 4 wire, but i don't understand where the wire goes. one wire is ground one is heated and the other two is what lean and rich. please explain alittle bitter thanks for your time jhill

JHill Jan 30, 2003 05:04 PM

Re:obdo to obd1
 
There are schematics available on line I am sure, and but the four different wires each are:

Sensor wire to ECU
Sensor ground to ECU
Heater positive 12v keyed
Heater ground

The AEM has the pin numbers in the instructions to wire to the ECU.

Jim

Chacko Jan 31, 2003 09:14 PM

Re:obdo to obd1
 
wait a couple weeks and I might be able to get you a conversion harness for $175. You're paying way to much :)

whiteb16crx Jan 31, 2003 11:24 PM

Re:obdo to obd1
 
cool thanks.

iwouldhitit Feb 1, 2003 01:20 AM

Re:obdo to obd1
 
jump into this group buy... http://www.honda-tech.com/zerothread?id=397592

whiteb16crx Mar 2, 2003 10:17 AM

Re:obdo to obd1
 
what kind of ecu are you running also i don't think i'm getting the ems is it easier to hook up without it


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