C1581

DTC C1581 Assist Map Number Un-Writing

DESCRIPTION
The power steering ECU assembly outputs this DTC when it determines that assist map is not written in the ECU.

HINT:
The assist map is data written in the power steering ECU assembly to control the degree of assistance. The assist map is selected based on the vehicle's specified communication data (designation and grade package information).

C1581:

INSPECTION PROCEDURE

Steps 1-3(Part 1):

Steps 3(Part 2)-5: