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Toymods Board Member
I supported Toymods
Location:
Turramurra, Sydney.
Registered:
May 2002
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4 wire O2 sensor; what wire's what?
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Thu, 21 November 2002 04:07
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I picked up a Toyota 4 wire (heated) O2 sensor today, as my mount is way too far from the head for a single wire sensor to work. Anyway, I was wondering if anyone could tell me which wire is which?
There is 1 white, 1 blue & 2 black.
I assume the 2 blacks would be earts (but why 2?), the white the 12V for the heating element and the blue for the signal to the ECU. Am I close?
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Location:
Colyton, NSW
Registered:
May 2002
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Re: 4 wire O2 sensor; what wire's what?
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Thu, 21 November 2002 04:24
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mate i asked this question a while ago and got just about the same respose!
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Banned by his request
Location:
moved to tamworth
Registered:
July 2002
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Toymods Board Member
I supported Toymods
Location:
Turramurra, Sydney.
Registered:
May 2002
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Re: 4 wire O2 sensor; what wire's what?
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Thu, 21 November 2002 13:26
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Ah, thanks for that.
One thing though, the ecu only has 1 O2 sensor wire, and I thought all O2 sensors only had the 1 signal wire. Hence the single wire sensors.
Or would I just ground the white wire?
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Toymods Board Member
I supported Toymods
Location:
Turramurra, Sydney.
Registered:
May 2002
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Re: 4 wire O2 sensor; what wire's what?
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Sun, 24 November 2002 11:04
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C'mon people, someone's gotta know this.........
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