C1582

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

DESCRIPTION

When an incorrect hybrid vehicle 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 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 HYBRID VEHICLE CONTROL ECU

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

OK:

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

NG -- REPLACE HYBRID VEHICLE CONTROL ECU Removal

OK -- REPLACE POWER STEERING ECU Removal