Perferences -> Key Binding ;

User

{ "keys": ["ctrl+l"], "command": "move", "args": {"by": "characters", "forward": true} },{ "keys": ["ctrl+j"], "command": "move", "args": {"by": "characters", "forward": false} },{ "keys": ["ctrl+k"], "command": "move", "args": {"by": "lines", "forward": true} },{ "keys": ["ctrl+i"], "command": "move", "args": {"by": "lines", "forward": false}},