Diesel Data: Automotive Repair

Certification ECU Power Source Circuit

Certification ECU Power Source Circuit

DESCRIPTION

This is the power source circuit of the certification ECU.

The certification ECU controls the following:
- Electrical key verification confirmation
- Cabin and door oscillator control
- Entry door LOCK/UNLOCK request to the main body ECU RH
- Steering LOCK/UNLOCK request
- Immobilizer SET/UNSET request to the ID code box

Wiring Diagram:






Step 1:




INSPECTION PROCEDURE