2004 CRV-Electrical Diagram Help, Part 2

Joined
Jul 15, 2018
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1,545
Location
illinois, usa
Back in 2020, I posted my first attempt at fixing a code P0134, no activity detected in sensor 1, bank. The link is below

https://bobistheoilguy.com/forums/threads/2004-crv-electrical-diagram-help.329777/


The code was a soft code or intermittent and after I replace the Electrical Load Detector, the check light stay away from 2-3 days which allow me to pass inspection. The car has no driveability issues at all.

I know need to pass inspection, every 2 years and the code is a hard code. The soonest you start the car it comes back.

Today, I did some more digging and found some interesting results.

AFR unplug at the hardness , Heater+= 12.5 volts Heater / ground - = 2.47 volts:mad:

Removed AFR Relay Heater + = 0.00 volts Heater/ ground - = 0.00 volts

The current from the hot side of the heater is making it to the ground cable some where.
 
It might be beneficial to go to Alldatadiy and buy a subscription for a few days to access the wiring diagrams so you can see where those wires go.
 
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