Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS2012CT 200H L4-1.8L (2ZR-FXE) HYBRIDREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSNAVIGATION SYSTEM - HDD MAP UPDATE PROCESSESSECURITY KEY LOAD
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) Hybrid
Security Key Load
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION Security Key Load
NOTE
^ In order to load the Map Data onto the vehicle's Navigation System, you MUST load a security key EACH time.
^ The Navigation Update Tool will hold up to ten security keys. One key is required per vehicle update.
^ Storing keys on the Navigation Update Tool is NOT recommended.
^ Map Data MUST be loaded onto the Navigation Update Tool before a Key File can be loaded.
^ Before performing this procedure, disconnect all other USB peripheral and external storage devices (i.e., USB thumb drives, hard drives, cameras, mice, etc.).
1. Open the Navigation Programs Installer.
2. Select Load key File on the Navigation Update Tool Main Menu.
3. Connect the Navigation Update Tool.
A. Make sure the USB cable is secured in both the PC and the Navigation Update Tool USB ports.
B. Confirm that the Navigation Update Tool is powered correctly.
C. Turn power ON.
D. Press Continue.
4. Connect USB Key File and press Continue.
5. Click Load to continue.
6. Allow the Key File to copy onto the Navigation Update Tool (requires about 5 seconds).
7. Verify the Key File is loaded onto the Navigation Update Tool and can now be used to update the vehicle.
^ In order to load the Map Data onto the vehicle's Navigation System, you MUST load a security key EACH time.
^ The Navigation Update Tool will hold up to ten security keys. One key is required per vehicle update.
^ Storing keys on the Navigation Update Tool is NOT recommended.
^ Map Data MUST be loaded onto the Navigation Update Tool before a Key File can be loaded.
^ Before performing this procedure, disconnect all other USB peripheral and external storage devices (i.e., USB thumb drives, hard drives, cameras, mice, etc.).
1. Open the Navigation Programs Installer.
2. Select Load key File on the Navigation Update Tool Main Menu.
3. Connect the Navigation Update Tool.
A. Make sure the USB cable is secured in both the PC and the Navigation Update Tool USB ports.
B. Confirm that the Navigation Update Tool is powered correctly.
C. Turn power ON.
D. Press Continue.
4. Connect USB Key File and press Continue.
5. Click Load to continue.
6. Allow the Key File to copy onto the Navigation Update Tool (requires about 5 seconds).
7. Verify the Key File is loaded onto the Navigation Update Tool and can now be used to update the vehicle.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.