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S3 light flashing

Tiny
CVJUNY
  • MEMBER
  • 1991 ACURA INTEGRA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 116,000 MILES
Transmission s3 light is flashing at all the time?
Monday, August 11th, 2008 AT 6:19 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi CVjuny,

An error has been detected and the Automatic Transmission Control Unit is sending a signal to the S3 light to let you know.


https://www.2carpros.com/forum/automotive_pictures/192750_IntegraATCU_1.jpg



With ignition switch on, count the number of blinks of LED lights in ATCU window and post here.
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Tuesday, August 12th, 2008 AT 9:54 AM
Tiny
WERA LIEVANO
  • MEMBER
  • 1 POST
My blinkers light flashes two times and when I turn on the s3 my car does not turn on and when it does not blink s3 if it turns on?
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Tuesday, August 7th, 2018 AT 12:52 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,526 POSTS
It sounds like the transmission shaft speed sensor has gone out. Here is a video of how it is replaced and a diagrams below to show the location in your car:

https://youtu.be/f3bETtCIdxM

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
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Wednesday, August 8th, 2018 AT 11:39 AM

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