ECU no response to OBDII adapter

Tiny
CHEUNG TUNGKWA
  • MEMBER
  • 2016 TOYOTA RACTIS
  • 1.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
The OBDII adapter can not communicate with the ECU, so it cannot check out the trouble code.
Tuesday, March 6th, 2018 AT 7:53 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

It sounds like you have an OBD fuse that is out 7.5 amp. Here is a guide to help you test the fuse once you find it from the fuse panel diagrams (Below).

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Here are the wiring diagrams for the OBD2 data link connector and the fuse panel locations and identifications.

Check out the diagrams (below).

Let us know what happens and please upload pictures or videos of the problem.

Cheers, Ken
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Wednesday, March 7th, 2018 AT 2:08 PM

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