Tutorial: Program Toyota Land Cruiser 2022 SRS ECU and ECU Security Key by Techstream.
Device required:
Toyota techstream cable: vxdiag vcx nano Toyota or other Techstream compatible J2534 cables
Techstream Software (i.e 18.00.008)
Toyota Account Online (from Toyota official)
Procedure:
– Open Techstream and select model car.

– Use Health Check function to check all ECU

– Click on Search Calibration ECU

– Save information of car to XML file

– Login account Toyota and upload information of car

– Download calibration file

– Select calibration and Start Reprogramming.

– Send request to sever to fill out Signature Start Reprogramming.

– Reprogramming successful.

– Confirm ECU Security Key.

– Upload information of car and get ECU Security Key

– Writing ECU Security Key to car.

– Finish procedure.

