Mechanic Wiki: Toyota Raize Facelift Key Programming with Launch X431

Learn how to program a key for a facelift Toyota Raize (2022+) using Launch X431. Includes prerequisites, ENC subscription, blank key types, and troubleshooting tips.

Quick Answer / Executive Summary

Programming a new key for a facelift Toyota Raize (2022‑onwards) with a Launch X431 diagnostic tool is possible, provided you have the latest X431 software, an active ENC (Electronic Immobilizer Code) subscription, and a compatible blank key. The process involves connecting the tool, selecting the immobilizer function, entering the security code (retrieved via VIN), and following a precise ignition‑cycle sequence. Success is common when firmware is up‑to‑date, the battery is stable, and the blank key is correct (G‑chip or D‑chip). Common failures stem from incompatible blanks, expired ENC credits, or incorrect ignition timing.

Introduction

The Toyota Raize facelift (2022 model year onward) introduced an updated immobilizer system that can be more challenging for aftermarket key programmers than earlier models. The Launch X431 series—especially the X431 V, PAD VII, and recent PRO models—is widely trusted by automotive locksmiths and independent workshops. This guide breaks down the exact procedure, prerequisites, and troubleshooting steps needed to add or replace keys on this vehicle, saving you time and avoiding common pitfalls.

What You Need Before Starting

Before you begin, gather the following items and verify their compatibility:

Requirement	Details
Launch X431 tool	Must have the latest software; confirm support for Toyota immobilizer functions, specifically for the Raize facelift.
Active ENC subscription	Launch’s online immobilizer code service (credits required per VIN).
Blank key	For standard keyless entry: Toyota G‑chip (4D70). For push‑to‑start (smart key): Toyota D‑chip (4D67). Verify with your key supplier.
Stable vehicle battery	12.5V or higher—use a battery maintainer if needed.
Vehicle VIN	Needed for security code retrieval via ENC.
Internet connection	Required for the ENC code request during the procedure.

Note: Some facelift models may require disconnecting aftermarket alarms or remote starters to avoid communication interference.

Step‑by‑Step Key Programming Procedure

Follow these steps exactly, paying close attention to ignition timing.

Connect the Launch X431 to the vehicle’s OBDII port (located under the dashboard on the driver’s side).
Power on the tool and navigate: “Diagnostics” > “Toyota” > “Raize”.
– If the exact model year isn’t listed, choose “RAIZE (2022‑2024)” or the “Smart Key” variant.
Select “Immobilizer” (or “Security System”).
Choose “Key Programming” – the tool will prompt you for an ENC code.
– Select “Get Code via ENC”; the tool automatically requests the security code using your VIN. Wait for the code (requires active ENC credits).
Enter the received security code (typically a 4‑digit number).
Follow on‑screen instructions to insert the new blank key into the ignition:
- Turn ignition ON (do not start the engine) and wait 5 seconds.
- Turn ignition OFF, remove the key.
- Insert the new key, turn ON again.
- The tool will display “Key Registered Successfully” or similar.
Test all keys (including existing ones) by starting the engine. If the engine starts and runs, programming is complete.
Exit the immobilizer module and turn off the ignition. Disconnect the tool.

Important: For smart key (push‑to‑start) systems, the procedure may require holding the key near the start button or following a specific sequence. Launch X431 usually provides step‑by‑step guidance on‑screen.

Troubleshooting Common Issues

“No Communication” or “Tool Not Detecting Vehicle”

Check the OBDII cable connection.
Ensure the ignition is ON (accessory mode may not be sufficient).
Try a different communication protocol (e.g., CAN vs. K‑Line) in the tool settings.

“Security Code Error” or “Invalid ENC Code”

Verify the VIN was entered correctly—double‑check the VIN plate.
ENC codes expire after a few minutes; repeat the request immediately if you delayed.
The Launch ENC server may be temporarily down; try again later.

“Key Not Recognized” After Programming

The blank key may be the wrong chip type: standard keys use G‑chip (4D70), smart keys use D‑chip (4D67).
Ensure the key blade is cut correctly before programming—a key that doesn’t turn the ignition lock will not be recognized.

Immobilizer Light Remains On or Engine Cuts Off

The key was not fully programmed—repeat the steps without delays in ignition timing.
Battery voltage may have dropped below 12V during the process. Connect a battery maintainer.

“Function Not Supported” for Facelift Model

Update your Launch X431 to the latest firmware via the official Launch Tech website.
The facelift may require a different software package, such as “Toyota 5th Gen Immobilizer.”
Contact Launch support to confirm your specific tool model is compatible.

Tips for Successful Programming

Use OEM or high‑quality aftermarket blanks from trusted suppliers like Ilco or Axxess.
Keep your ENC subscription active with sufficient credits—you may need 1–3 credits per vehicle.
Time your ignition cycles carefully – the tool often expects a precise ON/OFF timing (e.g., 5 seconds ON, 1 second OFF). Do not rush or hesitate.
If you have no existing working key, some Launch tools support “full key loss” procedures, but they require a PIN code from the dealer or ENC.
Disconnect any aftermarket remote starters or trackers that may interfere with immobilizer communication.

Frequently Asked Questions

Q1: Can I program a key for a facelift Toyota Raize without the original key?
Yes, if your Launch X431 supports “all keys lost” mode. You will need an ENC code and a blank key. The tool can erase all existing keys and add new ones.

Q2: How much does an ENC code cost?
ENC credits vary by region and subscription. Typically 1–3 credits per vehicle, each credit costing around $5–$10 USD. Check Launch’s official pricing.

Q3: Will programming a new key erase my existing keys?
It depends on the function chosen. “Add Key” keeps existing keys; “Program New Key (All Keys Lost)” erases all previous keys.

Q4: Do I need a dealer‑supplied security code?
No. Launch X431 retrieves the code automatically via its ENC service using the VIN. No dealer visit required.

Q5: What type of blank key do I need?
Standard keyless entry keys use a Toyota G‑chip (4D70). Push‑to‑start smart keys use a Toyota D‑chip (4D67). Confirm with your key supplier.

Q6: Why does the tool say “Incorrect PIN” after I enter the code?
The ENC code may have expired, or the VIN was mistyped. Repeat the code request immediately.

Q7: Can I use the Launch X431 for other Toyota models?
Yes, the same procedure works for many Toyota/Lexus models, but always check the compatibility list on your tool.

Q8: Is there a risk of damaging the vehicle’s ECU?
No risk if you follow the tool’s instructions. A failed programming attempt simply leaves the immobilizer unchanged—the car will still start with existing keys.

Conclusion

Programming a key for the Toyota Raize facelift with a Launch X431 is a straightforward process when you have the right blank key, an active ENC subscription, and a stable battery. Follow the step‑by‑step procedure exactly, and use the troubleshooting tips to overcome common hiccups. After successful programming, always test all keys and verify the immobilizer light behaves normally. If you encounter persistent issues, consult Launch support or an experienced automotive locksmith.

Toyota Raize Facelift Key Programming with Launch X431 | Step-by-Step Guide