DTC C1304/27 EPS Control System Malfunction: Wiring Diagram

Refer to DTC U0073/94 CONTROL MODULE COMMUNICATION BUS OFF; DTC U0100/65 LOST COMMUNICATION WITH ECM / PCM; DTC U0123/62 LOST COMMUNICATION WITH YAW RATE SENSOR MODULE; DTC U0124/95 LOST COMMUNICATION WITH LATERAL ACCELERATION SENSOR MODULE; DTC U0126/63 LOST COMMUNICATION WITH STEERING ANGLE SENSOR MODULE  .

1. CHECK DTC FOR EPS CONTROL SYSTEM 
   1. Clear the DTC (See DTC CHECK / CLEAR ).
   2. Check the DTC (See DTC CHECK / CLEAR ).

      Result 

      DISPLAY (DTC OUTPUT) AND PROCEED TO REFERENCE CHART
      
      

      Display (DTC Output)	Proceed To
      DTC (EPS control system) is not output	A
      DTC (EPS control system) is output	B (See DATA LIST / ACTIVE TEST )

   B : REPAIR EPS CONTROL SYSTEM ACCORDING TO DTC OUTPUT 

   A : GO TO NEXT STEP 

2. RECONFIRM DTC 
   1. Clear the DTC (See DIAGNOSIS SYSTEM  ).
   2. Turn the engine switch on (IG).
   3. Check if the same DTC is recorded (See DIAGNOSIS SYSTEM  ).

      Result 

      DISPLAY (DTC OUTPUT) AND PROCEED TO REFERENCE CHART
      
      

      Display (DTC Output)	Proceed To
      DTC (C1304/27) is not output	A
      DTC (C1304/27) is output	B

   B : Go to step   1 

   A : END