Background
Background: This November has seen a major upgrade for car IMMO, adding 4A proximity key programming (free pincode) for TOYOTA COROLLA 2019-.
Preparation
Preparation: KeyMaster DP Plus, main cable, multi-functional jumper
Solutions
Solutions: using OBDSTAR KeyMaster DP Plus operate on【Add keys】.
Detail Steps:
1.Read IMMO data(BENCH)
①Connect KeyMaster DP Plus to a car, enter into【CAR IMMO】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5E/CgAG0mGoaJWASEN-AAw8o-CepAM485.png)
②Click【All】, input letters such“TO”in search bar, click【LEXUS TOYOTA SCION】;
Tips: by searching keywords, find out related models quickly.
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5E/CgAG0mGoaNGAOFBnAAGItFOkxzE844.png)
③Click the newest LEXUS TOYOTA SCION edition;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5E/CgAG0mGoaNyAGKU4AAC0FqZBl-A318.png)
④Click【Manual Select Model】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5E/CgAG0mGoaOeAPhFLAACmC2Gx304399.png)
⑤Click【TOYOTA】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5E/CgAG0mGoaPSAVmWIAACMFV7uI_g344.png)
⑥Click【ASIA】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoaPyAd0vAAACgzn2geHM406.png)
⑦Click【COROLLA】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoaQaAAJLAAAC83p3rzH8646.png)
⑧Click【PROXIMITY】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoaQ-AROYHAACCxbaE6T0623.png)
⑨Click【2019-】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoaRmAKwkzAAB5rBO7a0E718.png)
⑩Click【Read Immo Data(BENCH)】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoaSKASQ-0AADx0DEhZ-A609.png)
⑪Connect the diagnostic device and smart key ECU through the jumper cable, power the device, click【Enter】;
Tips: can click【Guide】to check wiring diagram in details.
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoaT2AIkidAADEwULoC7k564.png)
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoaT6AVXlEAAO66-dTGAE078.png)
⑫Ensure the internet connection is normal, click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoamiAW4tfAACjOKZszr4459.png)
⑬Pls reenter the filename to save, click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoanaABiE5AACQRvokgV0063.png)
⑭Confirm the filename, click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoaoKATff_AACO-VJfA30966.png)
⑮Operation success, click【Enter】;
Tips: the file folder position saved: DP-device serial number-Data
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoapeAHPosAACG0rLrrtU548.png)
2.Add keys
①Click【Add keys】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/60/CgAG0mGoaruAInueAADxkPNo3Lc195.png)
②Pls ensure the internet connection is normal, click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/5F/CgAG0mGoamiAW4tfAACjOKZszr4459.png)
③Note: Less than 6 keys can be programmed. Pls complete all steps within the specific time, click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/60/CgAG0mGoaxyACBWXAADKJZ_Y_nk866.png)
④Switch ignition on, click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/60/CgAG0mGoayiAKuZ3AAB7lFcOTHc071.png)
⑤Turn on the emergency flasher, shut off the ignition, click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/60/CgAG0mGoazOAT7f-AACPCtvuBLY654.png)
⑥After the Immo data has been read, pls click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/60/CgAG0mGoa0KARbz3AAC3wAahShw243.png)
⑦Click the IMMO data, click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/60/CgAG0mGoa0-ADtAfAADIcGILjCc569.png)
⑧Click【Enter】;
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/60/CgAG0mGoa1qAHFwUAACJG5nbdLA750.png)
⑨Caution! Pls finish step 1 and step 2 in below pic before progress bar full.
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/60/CgAG0mGoa3eAdZlXAADRSkKyUL0560.png)
⑩Program successfully. If remote control doesn't work, pls execute【Program ID Box With Steering Lock】.
![【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY 【CAR IMMO】2021 TOYOTA COROLLA ADD A 4A PROXIMITY KEY](https://0.rc.xiniu.com/g4/M00/28/60/CgAG0mGoa4KAJpSKAAC_qcSLOx0094.png)
Summary
Pls strictly follow your device tips in your operation process.