POWER STEERING SYSTEM, Diagnostic DTC:C1582

DESCRIPTION

When an incorrect hybrid vehicle control ECU assembly, an incorrect main body ECU (multiplex network body ECU) or an incorrect skid control ECU (brake booster with master cylinder assembly) is installed after the assist map has been written the power steering ECU assembly, then DTC C1582 is stored because the data does not match the vehicle specifications.

CAUTION / NOTICE / HINT

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

   
   

   1. Check for DTCs.

      Click here

      Result
      Result Proceed to DTCs are not output. A DTCs are output. B

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

2. CHECK RELATED PART

   
   

   1. Check if any of the parts listed below have been replaced with an incorrect part in the past.

      Related Part	Hybrid vehicle control ECU assembly
      	Main body ECU (Multiplex network body ECU)
      	Skid control ECU (Brake booster with master cylinder assembly)

      Note

      When removing a related part to check it, be sure to follow the appropriate procedures and precautions.

      
      

      • Hybrid vehicle control ECU assembly

        for LHD: Click here

        for RHD: Click here

      • Main body ECU (Multiplex network body ECU)

        for LHD: Click here

        for RHD: Click here

      • Skid control ECU (Brake booster with master cylinder assembly)

        for LHD: Click here

        for RHD: Click here

   2. When DTC C1582 is output when parts have not been exchanged, replace the power steering ECU assembly as it may have an internal malfunction.

      Note

      If the power steering ECU assembly has been replaced with a new one, perform assist map writing and torque sensor zero point calibration.

      Click here

      Result
      Result Proceed to Any of the related parts has the incorrect part number. A All of the related parts have the correct part number, or a related part and power steering ECU assembly have not been replaced. B

   
   

   B

   REPLACE POWER STEERING ECU ASSEMBLY Click here

   A

3. REPLACE RELATED PART WITH PART THAT HAS CORRECT PART NUMBER

   
   

   1. Replace the related parts with ones that have the correct part number.

      
      

      • Hybrid vehicle control ECU assembly

        for LHD: Click here

        for RHD: Click here

      • Main body ECU (Multiplex network body ECU)

        for LHD: Click here

        for RHD: Click here

      • Skid control ECU (Brake booster with master cylinder assembly)

        for LHD: Click here

        for RHD: Click here

      Result
      Proceed to NEXT

   
   

   NEXT

4. CHECK FOR DTC

   
   

   1. Check for DTCs.

      Click here

      
      Chassis > EMPS > Trouble Codes

      Result
      Result Proceed to DTCs are not output. A DTCs are output. B

   
   

   A

   END

   B

   REPLACE POWER STEERING ECU ASSEMBLY Click here