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Old 06 Jun 2009, 08:21 am
lobo
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Default PO135

Can't seem to get rid of this code as it keeps reappearing and have replaced
the bank 1sensor . I have been trying to find what voltage readings I should
have on the vehicle side plug to the 4 wire bank 1 sensor as my manual does
not seem to indicate that. I have 12 volts (key on-not running) on one of
the unplugged heater pins to body ground but not on the other. I am thinking
I should have 12 volts on both?

Thanks in advance,
Ray

1999 Accord
F23A1


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  #2 (permalink)  
Old 06 Jun 2009, 11:20 am
Tony Hwang
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Default Re: PO135

lobo wrote:
> Can't seem to get rid of this code as it keeps reappearing and have replaced
> the bank 1sensor . I have been trying to find what voltage readings I should
> have on the vehicle side plug to the 4 wire bank 1 sensor as my manual does
> not seem to indicate that. I have 12 volts (key on-not running) on one of
> the unplugged heater pins to body ground but not on the other. I am thinking
> I should have 12 volts on both?
>
> Thanks in advance,
> Ray
>
> 1999 Accord
> F23A1
>
>

Hmm,
Broken wire or connector(pins not mating within the connector)
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  #3 (permalink)  
Old 11 Jun 2009, 06:07 pm
Woody
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Default Re: PO135

Pin 3 & 4 should be the heater circuit. If you did not replace it with an
OEM sensor you may need to get one. Many posts with 3rd party O2 sensors not
working on the Honda. Resistance should be 10-40 ohms. Should have battery
voltage on pin 4. From there you need to test the wiring harness, procedure
in the OEM service manual. An OBDII scanner can also be used to diagnose.

"lobo" <el_lobo@nowhere.net> wrote in message
news:C3uWl.31658$YU2.321@nlpi066.nbdc.sbc.com...
> Can't seem to get rid of this code as it keeps reappearing and have
> replaced the bank 1sensor . I have been trying to find what voltage
> readings I should have on the vehicle side plug to the 4 wire bank 1
> sensor as my manual does not seem to indicate that. I have 12 volts (key
> on-not running) on one of the unplugged heater pins to body ground but not
> on the other. I am thinking I should have 12 volts on both?
>
> Thanks in advance,
> Ray
>
> 1999 Accord
> F23A1
>
>

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  #4 (permalink)  
Old 11 Jun 2009, 08:20 pm
lobo
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Posts: n/a
Default Re: PO135

New aftermarket 02 sensor (eBay) measured 3 ohms between 3 & 4 and just
could not keep from throwing a CEL P0135. After chasing down all the wires,
which were found good, bought another at Pep Boys (Bosch) and all is good so
far.

"Woody" <TheDuck@pond.net> wrote in message
news:n6gYl.35090$ZP4.23762@nlpi067.nbdc.sbc.com...
> Pin 3 & 4 should be the heater circuit. If you did not replace it with an
> OEM sensor you may need to get one. Many posts with 3rd party O2 sensors
> not working on the Honda. Resistance should be 10-40 ohms. Should have
> battery voltage on pin 4. From there you need to test the wiring harness,
> procedure in the OEM service manual. An OBDII scanner can also be used to
> diagnose.
>
> "lobo" <el_lobo@nowhere.net> wrote in message
> news:C3uWl.31658$YU2.321@nlpi066.nbdc.sbc.com...
>> Can't seem to get rid of this code as it keeps reappearing and have
>> replaced the bank 1sensor . I have been trying to find what voltage
>> readings I should have on the vehicle side plug to the 4 wire bank 1
>> sensor as my manual does not seem to indicate that. I have 12 volts (key
>> on-not running) on one of the unplugged heater pins to body ground but
>> not on the other. I am thinking I should have 12 volts on both?
>>
>> Thanks in advance,
>> Ray
>>
>> 1999 Accord
>> F23A1
>>
>>



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