POWER STEERING SYSTEM, Diagnostic DTC:C1582

DESCRIPTION

When an incorrect ECM, an incorrect main body ECU (multiplex network body ECU) or an incorrect skid control ECU (brake actuator 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.

      w/ Central Gateway ECU: Click here

      w/o Central Gateway ECU: Click here

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

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM w/ Central Gateway ECU: Click here GO TO CAN COMMUNICATION SYSTEM w/o Central Gateway ECU: 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	ECM
      	Main body ECU (Multiplex network body ECU)
      	Skid control ECU (Brake actuator assembly)

      Note

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

      
      

      • ECM

        for 1ND-TV (w/ Glow Plug Controller): Click here

        for 1ND-TV (w/o Glow Plug Controller): Click here

        for 1NR-FE: Click here

        for 8NR-FTS: Click here

        for 1ZR-FAE: Click here

        for 1ZR-FE: Click here

        for 2ZR-FE: Click here

        for 1WW: Click here

      • Main body ECU (Multiplex network body ECU)

        for LHD: Click here

        for RHD: Click here

      • Skid control ECU (Brake actuator assembly)

        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 Part with incorrect part number is installed. A Parts with the correct part number are installed, 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.

      
      

      • ECM

        for 1ND-TV (w/ Glow Plug Controller): Click here

        for 1ND-TV (w/o Glow Plug Controller): Click here

        for 1NR-FE: Click here

        for 8NR-FTS: Click here

        for 1ZR-FAE: Click here

        for 1ZR-FE: Click here

        for 2ZR-FE: Click here

        for 1WW: Click here

      • Main body ECU (Multiplex network body ECU)

        for LHD: Click here

        for RHD: Click here

      • Skid control ECU (Brake actuator assembly)

        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