Related Tests, Information and Procedures

DTC Always on ABS ECU Malfunction IG Power Source Circuit

CIRCUIT DESCRIPTION
This is the power source for the ECU, hence for the CPU and the actuator.





DETECTING CONDITIONS

Fail safe function:
If any trouble occurs in the power source circuit, the ECU cuts off current to the ABS solenoid valve relay and prohibits ABS control.

Step 1:

Step 2:

Step 3:

Step 4:

INSPECTION PROCEDURE