C1304

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 Electronic Power Steering System.
(b) Check the DTC Electronic Power Steering System.
Result:






B -- REPAIR EPS CONTROL SYSTEM ACCORDING TO DTC OUTPUT
A -- Continue to next step.

2. RECONFIRM DTC
(a) Clear the DTC 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 DTC FOR EPS CONTROL SYSTEM
A -- END