C1582
POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: C1582: Assist Map Number Mismatch
C1582 - Assist Map Number Mismatch
DESCRIPTION
If an incorrect power steering ECU is installed, DTC C1582 is stored as the vehicle specification and data do not match.
HINT
The assist map is data written in the power steering ECU to control the degree of assistance. The assist map is selected based on the vehicle's specified communication data.
INSPECTION PROCEDURE
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) How to Proceed With Troubleshooting
OK -- REPLACE POWER STEERING ECU ASSEMBLY Removal