C1582

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

DESCRIPTION

When an incorrect ECM or brake actuator assembly (skid control ECU) is installed after the assist map has been recorded in the steering column assembly (power steering ECU), then DTC C1582 is stored because the data does not match the vehicle specifications.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Check for DTCs of the CAN communication system Diagnosis System.

Result





B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

2. CHECK ECM

(a) Check that the correct ECM is installed.

OK:

The correct ECM is installed.

Result





C -- REPLACE ECM Removal

B -- REPLACE ECM Removal
A -- Continue to next step.

3. CHECK SFI SYSTEM

(a) Check for DTCs of the SFI system.

for 2GR-FE DTC Check / Clear.

for 1AR-FE DTC Check / Clear.

Result





C -- GO TO SFI SYSTEM How to Proceed with Troubleshooting

B -- GO TO SFI SYSTEM How to Proceed with Troubleshooting
A -- Continue to next step.

4. CHECK BRAKE ACTUATOR ASSEMBLY

(a) Check that the correct brake actuator assembly (skid control ECU) is installed.

OK:

The correct brake actuator assembly (skid control ECU) is installed.

NG -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal
OK -- Continue to next step.

5. CHECK VEHICLE STABILITY CONTROL SYSTEM

(a) Check for DTCs of the vehicle stability control system Reading and Clearing Diagnostic Trouble Codes.

Result





B -- GO TO VEHICLE STABILITY CONTROL SYSTEM Vehicle Stability Control System

A -- REPLACE STEERING COLUMN ASSEMBLY Removal