Power Assist System (Brush)

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Brush Type Motor): C1582: Assist Map Number Mismatch
C1582 - Assist Map Number Mismatch

DESCRIPTION

When an incorrect skid control ECU 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.





INSPECTION PROCEDURE

NOTICE:
If the power steering ECU has been replaced with a new one, perform the torque sensor zero point calibration Power Steering System (For Brush Type Motor).

PROCEDURE

1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)

(a) Using the Techstream, check for DTCs and confirm that there are no problems in the CAN communication system Diagnosis System.

OK:

DTC is not output.

NG -- GO TO CAN COMMUNICATION SYSTEM Initial Inspection and Diagnostic Overview
OK -- Continue to next step.

2. CHECK POWER MANAGEMENT CONTROL ECU

(a) Check if a power management control ECU that complies with the vehicle specifications is installed.

OK:

The power management control ECU that complies with vehicle specifications is installed.

NG -- REPLACE POWER MANAGEMENT CONTROL ECU Removal

OK -- REPLACE POWER STEERING ECU Removal