POWER STEERING SYSTEM, Diagnostic DTC:C1582/26

DTC Code DTC Name
C1582/26 Assist Map Number Mismatch

DESCRIPTION

When an incorrect hybrid vehicle control ECU assembly is installed after the assist map has been recorded in the power steering ECU assembly, then DTC C1582/26 is stored because the data does not match the vehicle specifications.

DTC No. DTC Detection Condition Trouble Area
C1582/26 Assist map number mismatch

  • Power steering ECU assembly

  • CAN communication system

  • Hybrid vehicle control ECU assembly

CAUTION / NOTICE / HINT

Note

If the power steering ECU assembly has been replaced with a new one, perform assist map writing and rotation angle sensor value initialization torque sensor zero point calibration after performing the initialization of the torque sensor zero point value Click here.

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


    1. Using the GTS, check for DTCs and confirm that there are no problems in the CAN communication system (See page for with Central Gateway ECU or Click here for without Central Gateway ECU).

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (w/ Central Gateway ECU) B
      DTC is output (w/o Central Gateway ECU) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  2. CHECK HYBRID VEHICLE CONTROL ECU ASSEMBLY


    1. Check if a hybrid vehicle control ECU assembly that complies with the vehicle specifications is installed.

      OK
      A hybrid vehicle control ECU assembly that complies with vehicle specifications is installed.

    OK

    REPLACE POWER STEERING ECU ASSEMBLY Click here

    NG

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY Click here