EPS Control System Malfunction

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

DTC 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 DTC FOR EPS CONTROL SYSTEM
(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
(b) Check the DTC Reading and Clearing Diagnostic Trouble Codes.

Result





B -- REPAIR EPS CONTROL SYSTEM
A -- Continue to next step.
2. RECONFIRM DTC
(a) Clear the DTC 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 DTC FOR EPS CONTROL SYSTEM
A -- END