POWER STEERING SYSTEM, Diagnostic DTC:C1582

DTC Code DTC Name
C1582 Assist Map Number Mismatch

DESCRIPTION

When an incorrect power steering converter assembly is installed after the assist map has been recorded in the power steering ECU, then DTC C1582 is stored because the data does not match the vehicle specifications.

DTC No. DTC Detection Condition Trouble Area
C1582 Assist map number mismatch

  • CAN communication system

  • Power steering converter assembly

  • Power steering ECU

INSPECTION PROCEDURE

Note

If the power steering ECU has been replaced with a new one, perform the rotation angle sensor initialization and torque sensor zero point calibration Click here.

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


    1. Using the intelligent tester, check for DTCs and confirm that there are no problems in the CAN communication system Click here.

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

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  2. CHECK POWER STEERING CONVERTER ASSEMBLY


    1. Check if a power steering converter assembly that complies with the vehicle specifications is installed.

      OK
      The power steering converter assembly that complies with vehicle specifications is installed.

    NG

    REPLACE POWER STEERING CONVERTER ASSEMBLY Click here

    OK

    REPLACE POWER STEERING ECU Click here