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Ignition does not turn on after ECM replacement?

Tiny
MALLYBOY
  • MEMBER
  • 2011 TOYOTA HIGHLANDER
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 106,786 MILES
This vehicle ignition does not turn on after the vehicle was stolen by armed robbers and was later recovered by military men and was taken to barracks. At that place, the ECM and certification ecu was stolen. So, another ECM free code was brought and put to the car but the ignition didn't come to test the ECM whether it will crank the motor?
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Friday, November 25th, 2022 AT 10:23 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

If the ECM was replaced, the anti-theft system needs to be programmed to recognize the key codes. See pic 1 below.

Was this done? Also, I need to know if the vehicle has a smart key or a traditional one.

Let me know.

Joe

See pic below.
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Sunday, November 27th, 2022 AT 9:42 PM
Tiny
MALLYBOY
  • MEMBER
  • 309 POSTS
Also, I need to know if the vehicle has a smart key? Yes, smart key. But what I need is what to do for ignition to turn on before other things. Or can't the ignition be on before programming ECUs?
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Sunday, November 27th, 2022 AT 10:03 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

If the immobilizer doesn't recognize the key, it won't power up.

Let me know.

Joe
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Monday, November 28th, 2022 AT 7:13 PM

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