POWER STEERING SYSTEM, Diagnostic DTC:C1582

DTC Code DTC Name
C1582 Assist Map Number Mismatch

DESCRIPTION

When an incorrect ECM is installed after the assist map has been recorded in the power steering ECU assembly, 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

  • Power steering ECU assembly

  • CAN communication system

  • ECM

CAUTION / NOTICE / HINT

Note

If the power steering ECU assembly has been replaced, perform the torque sensor zero point calibration Click here.

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Check for DTCs of the CAN communication system Click here.

      OK
      DTC is not output.

    NG

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    OK

  2. CHECK ECM


    1. Check if an ECM that complies with the vehicle specifications is installed.

      OK
      The ECM that complies with vehicle specifications is installed.
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG (for 1ND-TV) C
      NG (for 1NZ-FE) D
      NG (for 1NR-FE) E

    A

    REPLACE POWER STEERING ECU ASSEMBLY Click here

    B

    REPLACE POWER STEERING ECU ASSEMBLY Click here

    C

    REPLACE ECM Click here

    D

    REPLACE ECM Click here

    E

    REPLACE ECM Click here