Nissan Leaf SD Cards used in Clarion navigation units are protected with password and it has been reviewed earlier in this post NISSAN LEAF SD card protection. How to obtain SD card password?
Here we will share the SD Toolbox upgrade details for password reading from Clarion navigation unit using debug interface. After some simple modifications in hardware, any SD Toolbox with the latest firmware can be used for this task.
Just a few components must be added on both sides of the PCB:
If this interface will be used more frequently, it’s recommended to use the connector on the SD toolbox and build the cable with a navigation connector. Otherwise, some single test wires can be used to connect the navigation unit.
If a detailed connector pinout is required, it can be found in this post: NISSAN CAN filter installation