C1304

BRAKE CONTROL: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: C1304/27: EPS Control System Malfunction
C1304/27 - EPS Control System Malfunction

DESCRIPTION

The skid control ECU communicates with the power steering (EPS) ECU via CAN communication.

If a malfunction in the electric power steering (EPS) control system is detected, cooperative control of the steering is prohibited by the fail-safe function.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK POWER STEERING SYSTEM

(a) Check if the power steering system DTC is output Power Steering System.

Result:





B -- INSPECT POWER STEERING SYSTEM
A -- Continue to next step.

2. RECONFIRM DTC

(a) Clear the DTCs Electronically Controlled Brake System.

(b) Turn the engine switch on (IG).

(c) Check if the same DTC is recorded Electronically Controlled Brake System.

Result:





B -- CHECK POWER STEERING SYSTEM

A -- END