C1582

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: C1582: Assist Map Number Mismatch
C1582 - Assist Map Number Mismatch

DESCRIPTION

When an incorrect power management control ECU 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.





INSPECTION PROCEDURE

NOTICE:
If the power steering ECU assembly has been replaced with a new one, perform rotation angle sensor value initialization and torque sensor zero point calibration Programming and Relearning.

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 How to Proceed With Troubleshooting
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:

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

NG -- REPLACE POWER MANAGEMENT CONTROL ECU Removal

OK -- REPLACE POWER STEERING ECU ASSEMBLY Removal