EPS Control System Malfunction - Electronically Controlled Brake System

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 Power Steering System
A -- Continue to next step.

2. RECONFIRM DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Turn the power switch ON (IG).

(c) Check if the same DTC is recorded Reading and Clearing Diagnostic Trouble Codes.

Result





B -- CHECK POWER STEERING SYSTEM

A -- END