2AR-FE without Wireless Door Lock

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for 2AR-FE without Wireless Door Lock): C1581: Assist Map Number Un-Writing
C1581 - Assist Map Number Un-Writing

DESCRIPTION

This DTC will be stored if the power steering ECU assembly determines that the assist map is not written in the ECU.





INSPECTION PROCEDURE

NOTICE:
If the power steering ECU assembly has been replaced with a new one, perform assist map writing and torque sensor zero point calibration 2AR-FE without Wireless Door Lock.

PROCEDURE

1. PERFORM ASSIST MAP WRITING

(a) Perform the assist map writing 2AR-FE without Wireless Door Lock.

NEXT -- Continue to next step.

2. CHECK DTC OUTPUT

(a) Check for DTCs 2AR-FE without Wireless Door Lock.

Result





B -- CHECK CAN COMMUNICATION SYSTEM

A -- END

3. 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.

4. CHECK SFI SYSTEM

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

Result





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

5. CHECK VEHICLE STABILITY CONTROL SYSTEM

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

Result





B -- GO TO VEHICLE STABILITY CONTROL SYSTEM How to Proceed With Troubleshooting

A -- REPLACE POWER STEERING ECU ASSEMBLY Removal