Toymods Car Club Inc: Miscellaneous => 1 wire and 4 wire oxygen sensors for sale...**SOLD** for now...

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oldcorollas
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003

Re: 1 wire and 4 wire oxygen sensors for sale...

Thu, 08 May 2003 06:51

IRA11Y wrote on Thu, 08 May 2003 16:39

Hey Stewart,

the 4 wire.. is the output compatible to the GE 86Kw ECU inputs??? just wondering if I should take my own advice from a few years back and upgrade

seeing as i cant figure which wires on mine are the signal set

it should be. afaik all narrow band (re normal ppls ones

) sensors have a 0-1V output. it should be compatible.

the 4 wires are:
2 for heater, power and ground.
2 for the sensor, 1 is signal, 1 is ground.

to check which are the signal wires on yours, put a multimeter between ground and the pins/wires, while the motor is running and warm.

if it is 1 wire, you should get a +0-1V reading (signal) and at idle it should be around 0.5 for stoich.
if 2 wire, one will be 0 the other 0-1V

3 wires, one is +12V, one is 0V (heater ground), the last is the signal 0-1V.

4 wires, the two same colour wires should be the heater, one is +12V, one is ground, the different colour wires will be signal ground (0V) and signal (0-1V).

apart from the heater, the 4 wire has a remote ground, which you can ground to the computers ground, to eliminate any resistance between the exhaust (where a 1 wire is grounded), and the computers ground....

hope this helps a bit

how many wires are there atm? is it flanged? does the flange screw off?
Cya, Stewart

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