Dtc C1582 Assist Map Number Mismatch

Steering. Yaris. Ncp93, 131
Power Assist Systems. Yaris. Ncp93, 131

DESCRIPTION

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

CHECK ECM

DTC C1582 Assist Map Number Mismatch


DESCRIPTION

When an incorrect ECM 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.

DTC No.
DTC Detection Condition
Trouble Area
C1582
Assist map number mismatch
  1. Power steering ECU assembly
  2. CAN communication system
  3. ECM

INSPECTION PROCEDURE

NOTICE:
If the power steering ECU assembly has been replaced, perform the torque sensor zero point calibration and assist map writing (YARIS_NCP93 RM000000OSZ018X.html).
1.CHECK CAN COMMUNICATION SYSTEM

  1. Check for DTCs of the CAN communication system.

    Yaw Rate Sensor Type
    		See Page
    for Hatchback except Separate Type Yaw Rate Sensor
    		YARIS_NCP93 RM000001RSW02LX.html
    for Hatchback with Separate Type Yaw Rate Sensor
    		YARIS_NCP93 RM000001RSW02PX.html
    Result
    Result
    		Proceed to
    DTCs is not output
    		A
    DTCs is output (for Hatchback except Separate Type Yaw Rate Sensor)
    		B
    DTCs is output (for Hatchback with Separate Type Yaw Rate Sensor)
    		C



B
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (YARIS_NCP93 RM000001RSO05UX.html)

C
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (YARIS_NCP93 RM000001RSO066X.html)
A


2.CHECK ECM

  1. Check if an ECM that complies with the vehicle specifications is installed.

    OK:
    The ECM that complies with vehicle specifications is installed.


NG
REPLACE ECM (YARIS_NCP93 RM000001CMY02IX.html)
OK

REPLACE POWER STEERING ECU ASSEMBLY (YARIS_NCP93 RM000002XN603ZX.html)