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Old Nov 10, 2023 | 02:29 PM
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Default HVAC code
On my 03 Coupe it is showing code B0333 which is the outside air temp sensor open. What part do I need to fix this and where is it located? Please be specific.
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Old Nov 10, 2023 | 02:49 PM
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The sensor is under the front passenger side facia. Just unplug the connector and clean it. They tend to pick up a lot of crud and corrosion down there.
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Old Nov 10, 2023 | 03:15 PM
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Thanks, I’ll look for it.
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Old Nov 10, 2023 | 05:02 PM
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Apparently, my air temp sensor is missing. There are two electrical wires with connectors hanging loose. One is for the horn (currently disconnected) and the other is for the air temp sensor (which is missing).
How do I identify which set of wires goes to the horn and to the air temp sensor?
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Old Nov 10, 2023 | 05:30 PM
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Wiring below…horn wiring is a DARK green/black !!
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Old Nov 10, 2023 | 05:45 PM
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Originally Posted by C5 Diag
Wiring below…horn wiring is a DARK green/black !!
Is there any system you don't have a schematic for?
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Old Nov 10, 2023 | 05:52 PM
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Originally Posted by yellow2007
Is there any system you don't have a schematic for?

No !!!…LOL !!
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Old Nov 10, 2023 | 06:30 PM
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Thank you so much!
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Old Nov 10, 2023 | 07:56 PM
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every plug is different. It only plugs into the correct mate.
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Old Nov 11, 2023 | 04:29 AM
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Moved to C5 Tech for discussion.
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