DTC C1582 Assist Map Number Mismatch

Description of functions

The assist map of the power steering does not match the vehicle information.

DTC No.	Detected item	Inspection parts
C1582	The assist map of the power steering does not match the combination meter.	Combination meter ASSY Power steering computer ASSY

Inspection steps

CAUTION:

Always perform a steering zero point calibration after replacing the power steering computer ASSY.
Before performing troubleshooting, check that a genuine combination meter is installed.

Assist Map Confirmation

Use the SSM4 to perform [Assist Map Confirmation].

RESULT REFERENCE

Result	Go to
The same assist map as the vehicle model is not written.	A
The same assist map as the vehicle model is written.	B

B: Functioning properly (Clear the memory.)

A: Go to Next Step.

Assist Map Confirmation
1. Use the SSM4 to confirm that the written-in assist map is consistent with the vehicle information (genuine combination meter).
  NG: Perform [Assist Map Clear] (select the assist map).
  
  OK
Diagnosis code check
1. Check if C1583 or C1534 is not output.
  Criteria: Neither C1583 nor C1534 is output.
  
  NG: Progress to the "output code flow chart". (Refer to List of diagnostic codes )
  
  OK: Replacement of the power steering computer ASSY (Refer to Power steering computer )