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Where is the Immobilizer unit located?

Tiny
LIFEISKRAZY
  • MEMBER
  • 2002 MITSUBISHI DIAMANTE
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 132,000 MILES
I’m not sure where the immobilizer unit is in the car. Can someone please explain to me where to find it? I need the serial number off of it.
Friday, June 10th, 2022 AT 8:58 AM

11 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The immobilizer unit is located under the center of dash, forward of center console.

See attached diagram below.

Let me know of any questions.
Thank you.

https://www.2carpros.com/articles/how-to-reset-a-security-system
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Friday, June 10th, 2022 AT 10:23 AM
Tiny
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I found it, but I called my nearest Mitsubishi dealership said they don’t have a pin for the S/N I provided.
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Friday, June 10th, 2022 AT 12:19 PM
Tiny
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Usually, dealerships can look up part numbers by the VIN. Have you tried that?
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Friday, June 10th, 2022 AT 12:55 PM
Tiny
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Update: I was able to get the override code, but the car still won’t start. Fuel pump sounds like its working, the starter is cranking, I just tried spraying starter fluid into the throttle body and it’s not turning over. Next step is to check for spark I’m assuming? Sorry I’m new to this and learning as I go, lol.
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Friday, June 10th, 2022 AT 1:09 PM
Tiny
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If the engine is cranking over but not starting it is typically due to no spark or fuel. Since you are unable to start it with the starter fluid, checking for spark is the next best step.

Let me know what you find.
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Friday, June 10th, 2022 AT 1:13 PM
Tiny
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Got no spark, where should I go from here?
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Friday, June 10th, 2022 AT 3:00 PM
Tiny
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No spark can be due to a faulty coil/ignition module. See attached.
Another possibility is a faulty crank position sensor.
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Friday, June 10th, 2022 AT 3:53 PM
Tiny
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Ignition coil replaced and still no spark and now my security light is gone. I’m clueless on what to do now.
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Monday, June 27th, 2022 AT 9:10 AM
Tiny
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Are you getting any codes?
Crank sensor could be the culprit here.
You did mention that the immobilizer is not the issue right?
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Monday, June 27th, 2022 AT 2:18 PM
Tiny
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No codes crack sensor is fine. Ended up taking it to a dealership and even tho I replaced the ignition coil then want to put a another new one in because the one current is overloading on voltage. What do you think?
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Thursday, June 30th, 2022 AT 11:17 AM
Tiny
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It the coil is overloading it will need to be changed, possibly a defective one. Are you able to get a warranty on the coil?
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Thursday, June 30th, 2022 AT 2:14 PM

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