Always On - Malfunction In ECU

CIRCUIT DESCRIPTION

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




DETECTING CONDITIONS

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




WIRING DIAGRAM

Step 1:

Step 2:

Step 3:

Step 4:

Step 5:

INSPECTION PROCEDURE