C0274

DTC C0274/14 Short to B+ in ABS Motor Relay Circuit

DESCRIPTION

DTC Detection Condition:

If a DTC of the motor line is stored, the ABS M0T0R2 relay cuts off the power supply to the ABS M0T0R1 relay and performs fail-safe.

While any of the ABS, TRAC, VSC, or BA is operating, the skid control ECU (housed in the actuator assembly) turns the ABS M0T0R2 relay on and activates the pump motor in the ABS and TRACTION actuator.

This code may be stored if the motor relay (+BM) voltage becomes lower than the DTC detecting condition due to insufficient output from the battery or alternator.

Wiring Diagram:

Step 1-2:

Step 3-5:

Step 6-7:

Step 7(Continued):

INSPECTION PROCEDURE

NOTE: When replacing the ABS and TRACTION actuator assembly perform zero point calibration. Vehicle Stability Control System