ECU no response to OBDII adapter

2016 TOYOTA RACTIS
100,000 MILES • 1.5L • 4 CYL • 2WD • AUTOMATIC
Avatar
CHEUNG TUNGKWA
  • MEMBER
  • 1 POST
the OBDII adapter can not communicate with the ECU, so it cannot check out the trouble code.
Mar 6, 2018 at 7:53 AM
Advertisement
Avatar
STRAILER
  • CERTIFIED EXPERT
  • 53,854 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
Mar 7, 2018 at 2:08 PM