Bank 1 Sensor 1 NODATA - Subaru Outback - Subaru Outback Forums
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post #1 of 17 (permalink) Old 02-10-2013, 07:05 PM Thread Starter
smn
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Bank 1 Sensor 1 NODATA

On my diagnostic scan tool, I show NO DATA for the Bank 1 Sensor 1. The other sensor shows values from 0.0 to 0.78. However, after replacing the front sensor I'm still getting NO DATA.

When I check the scanner on my wife's vehicle it's reading numerical data for Bank 1 Sensor 1.

It seems like this could be a bad wire, could it not? Has anyone experienced this before?
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post #2 of 17 (permalink) Old 02-10-2013, 07:31 PM
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The wires are fairly exposed down there... not unheard of to break them or tear them out on rough terrain. All you can do is follow it upstream and tap it to see where it works, replace from there down.
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post #3 of 17 (permalink) Old 02-20-2013, 06:27 PM Thread Starter
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Is there a fuse for the oxygen sensor on the 2000 OBW with AT? Does anyone have a diagram for the front O2 sensor and this fuse? I'd like to see what else runs off this fuse.
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post #4 of 17 (permalink) Old 02-20-2013, 09:07 PM
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Front and rear sensors are powered from the same source via the "main relay", so if the rear sensor is working properly, it's not a power supply problem.
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post #5 of 17 (permalink) Old 02-20-2013, 10:16 PM Thread Starter
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Ok, thanks for the clarification. The wiring diagram I did find agrees with what you say. So I've got either a bad wire or the Bosch sensor that says it's an exact fit isn't communicating. I'll get to finding the wire sometime soon, I hope.
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post #6 of 17 (permalink) Old 02-20-2013, 10:23 PM
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Are you using Global OBD II to read the car? Is your wife's car a Subaru? It may be a programming issue with the scanner. Bosch doesn't tend to make bad sensors. Now if someone dropped the box while unpacking and shelving, then its possible a circuit is open in the sensor. What did the box look like?
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post #7 of 17 (permalink) Old 02-20-2013, 10:57 PM Thread Starter
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The box was in good condition and I still have it and the old sensor. Both give NO DATA on the reader. My wife's vehicle is a Toyota Sienna using the same bluetooth ELM327 code reader.

I used a Bosch widebad A/F sensor, part no. 17018 from a local Advanced Auto store. I changed it out about two weeks ago.
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post #8 of 17 (permalink) Old 02-20-2013, 11:16 PM
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What is the part number on the old sensor? Its stamped in the sensor base.
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post #9 of 17 (permalink) Old 02-20-2013, 11:25 PM Thread Starter
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It looks like "258007018". And I see "785145 03".
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post #10 of 17 (permalink) Old 02-20-2013, 11:49 PM
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258007018 is a Bosch Lambda sensor but it doesn't cross to another number. Bosch's webpage shows 17018 as the AF sensor for your car with automatic.

PartInformation 17018

.
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