Honda Accord & Crosstour (2003 - 2012) 2003 - 2012 Honda Accord and Inspire

O2 Sensor Fuse Location 05 Accord P0135 P0155 Codes

 
Old 04-11-2019, 03:58 AM
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Default O2 Sensor Fuse Location 05 Accord P0135 P0155 Codes

Just bought an 05 Accord. Getting CEL error codes P0135 and P0155 which is A/F sensor heater circuit malfunction on both sensors. Pulled one sensor and checked continuity between the two white wires (which I think is heater circuit) and was good. I know there are fuses and a relay for the heater circuit but can't find them in either the under hood or interior fuse box (by drivers lower kick panel). Nothing labeled A/F sensor or even close. Everything I can find on the internet for fuse/relay location is for 02 or earlier models. Any good source of a diagram on 05 model?
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Old 04-12-2019, 05:04 PM
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Default Re: O2 Sensor Fuse Location 05 Accord P0135 P0155 Codes

Is this a 4 or 6 cylinder 2005 Accord?
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Old 04-14-2019, 04:55 AM
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Default Re: O2 Sensor Fuse Location 05 Accord P0135 P0155 Codes

3.0 V6
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Old 04-14-2019, 08:48 AM
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Default Re: O2 Sensor Fuse Location 05 Accord P0135 P0155 Codes

Under-dash Fuse No. 4 (15A) and Fuse No. 25 (7.5A) are part of the A/F sensors' heater circuit. The A/F sensor relay is also located at the under-dash fuse/relay box; on the lowest row of relays, it is the second to the further right relay.
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