Certification ECU Power Source Circuit: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
This is the power source circuit of the certification ECU (smart key ECU assembly).
The certification ECU (smart key ECU assembly) controls the following
- Key verification confirmation
- Indoor, outside and door oscillator control
- Entry door LOCK/UNLOCK request to the main body ECU RH (cowl side junction block RH)
- Steering LOCK/UNLOCK request
- Immobilizer SET/UNSET request to the ID code box (immobilizer code ECU)