C0278

DTC C0278 ABS & TRAC Solenoid Relay Circuit

CIRCUIT DESCRIPTION

DTC Detecting Condition:

This relay supplies power to each ABS & TRAC solenoid. After the ignition switch is turned ON, if the initial check is OK, the relay goes on.

Fail safe function:
If a trouble has occurred in the ABS & TRAC solenoid relay circuit, the ECU cuts off the current to the ABS & TRAC solenoid relay and prohibits the ABS and TRAC control.

Wiring Diagram:

Step 1 - 2:

Step 3 - 4:

INSPECTION PROCEDURE