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1992 SC300 Wireless Door Lock Control ECU Terminal Diagram

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Old 12-29-08, 04:18 PM   #1
danieljava
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Default 1992 SC300 Wireless Door Lock Control ECU Terminal Diagram

Hello all,

I'm trying to troubleshoot the keyless entry on my 1992 SC300. I have replaced the ECU but still cannot get the unit to response to reprogramming the key.

Does anyone have the voltage values for the ECU terminals for the 1992 SC300? I have the 1996 diagram but it is different from the 1992. I suspect a wiring problem.

Thanks in advance
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Old 12-29-08, 09:03 PM   #2
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See if this helps.


92 SC300 EWD Doot Lock Control.pdf
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Old 12-29-08, 09:05 PM   #3
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Couldn't figure out how to attach both on one reply, so here's the other one.

92 SC300 EWD Wireless Door Remote Control.pdf
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Old 12-29-08, 09:16 PM   #4
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And this one.

92 SC300 Wireless Service Info.pdf
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Old 12-29-08, 10:53 PM   #5
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Wow, that was great. Thank you.
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Old 12-30-08, 10:58 AM   #6
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SAR41WY,

Do you also have the programming instruction for the 1992 model?

Thanks.
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Old 10-16-13, 08:27 AM   #7
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Quote:
Originally Posted by SAR41WY View Post
See if this helps.


Attachment 136073
so what i did was i spliced into the lock wire since its a 12v pulse.. then i connected it to the piezo buzzer and grounded the other wire on the piezo and its in my driver fender.. so as long as i hit the button and hear one beep then its locked, if i click it and i hear nothing then its unlocked. but thats just me as long as i get one beep to confirm i locked my car thats good enough for me.. i might be converting to full keyless 2012 style soon no keys to open or start the car..
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Old 10-16-13, 08:27 AM
 
 
 
 
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92, control, diagram, diagrams, door, ecu, electronic, entry, lexus, lock, lx470, remote, sc, sc300, unit

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