Thread: Alarm System
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Old 07-20-2010, 04:08 AM   #2
cre

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FIRST! Look here:
http://www.cygnusx1.net/Supra/Librar...x?S=Main&P=122


System delete:

1) REMOVE the Theft Deterrent Computer.

2) Now ground the blue wire with orange stripe (Pin 13).

3) Install good aftermarket alarm.

4) DONE.


System reset (the sure way). This is only to reset the system if you are keeping it but having issues with it... This is NOT a fix for faulty lock/hood/trunk sensors. Do this AT the deterrent ECU's connector with the battery, theft deterrent ECU and all fuses installed correctly:

1) Jumper the violet with yellow stripe wire (pin 3) to ground.

2) Jumper the blue wire with red stripe (pin 10) to ground.

3) Disconnect both and start vehicle. If it does not start after this test for a ground signal at the starter relay's coil while the ignition is held at STA. If no ground is present either the wiring or deterrent ECU are damaged. If there is then the security system is not to blame.
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Last edited by cre; 03-11-2012 at 03:25 AM.
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