POWER STEERING SYSTEM (for 1VD-FTV with DPF), Diagnostic DTC:C15F1

DESCRIPTION

The power steering ECU receives steering angle signals from the steering angle sensor via CAN communication. The power steering ECU provides appropriate assisting force in accordance with the steering angle signal.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM)

   
   

   1. Check if DTC U0126 is output (Click here).

      Table 1. Result

      Result	Proceed to
      DTC U0126 is not output.	A
      DTC U0126 is output.	B

      Tip:

      DTC U0126 indicates a CAN communication malfunction in the power steering system.

   
   
   • AClick here
   • BClick here
2. Click here

   CHECK OTHER DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM)

   
   

   1. Using the GTS, check for DTCs related to the steering angle sensor and confirm that there are no problems in the vehicle stability control system (Click here).

      Table 2. Result

      Result	Proceed to
      DTC is not output.	A
      DTC is output.	B

   
   
   • AClick here
   • BClick here
3. Click here

   REPLACE POWER STEERING ECU ASSEMBLYClick here

4. Click here

   REPAIR CIRCUIT INDICATED BY OUTPUT CODEClick here

5. Click here

   REPAIR OR REPLACE CIRCUIT INDICATED BY OUTPUT CODE (STEERING ANGLE SENSOR CIRCUIT)Click here