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Old 12-09-2009, 01:05 PM   #50 (permalink)
TomO
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Odie2 - '04 Subaru Impreza WRX Wagon
90 day: 20.5 mpg (US)
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Quote:
Originally Posted by 88hf View Post
I don't think there is a secondary O2 sensor. No wiring for it connector wise and the ecu connector isn't pinned for it.
It might be that particular engine/ECU doesn't use a secondary O2. I seem to recall something said on H-T about JDM ECUs not needing a secondary O2 (it's just to check Catalytic converter efficiency anyways)
Quote:
Originally Posted by 88hf View Post
Also, confused about why the pin for ecu ECT comes into the cabin. I thought that would have been straight from the thermostat to the ecu. Why does it appear there are three temperature sensors? Reference: Part Detail
#11 is the single wire sensor that goes to the Temp Gauge in the cluster
#13 is the two wire temp sensor that the ECU uses
#12 is the two wire coolant fan switch
Quote:
Originally Posted by 88hf View Post
Should have it completely figured out soon
Cool!

Quote:
Originally Posted by 88hf View Post
HELP! I don't know where those ignition harness wires go. Do they go to the main relay? I'm having difficulty here. It seems simple but figuring out what should go where is twisting my mind.
The harness that is attached to your key cylinder runs just above your under dash fuse box and then plugs into that ignition harness you had in your hand, if I'm remembering correctly here. it attaches to the top of the fuse panel but is not part of it. You should see something extremely similar on your current fuse panel in your CRX.
Quote:
Originally Posted by 88hf View Post
Think that pink wire went to power the srs. Its the only pnk wire I could find in any drawings.
I agree with the Pink wire being the power source for the SRS system as that was the only pink wire I could find in any of my diagrams as well.

Quote:
Originally Posted by 88hf View Post
I'm also wondering why I didn't find any wire that leads to the hazard fuse. hmm?
look for a wire labeled as "backup" that tends to share the same wiring as the Hazard fuse.
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Last edited by TomO; 12-09-2009 at 01:11 PM..
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