diff --git a/src/js/controllerCisterna.js b/src/js/controllerCisterna.js
index afba5cf..310fb1f 100644
--- a/src/js/controllerCisterna.js
+++ b/src/js/controllerCisterna.js
@@ -4,11 +4,12 @@ angular.module('focaAbmVehiculo')
         'focaModalService', 'focaBotoneraLateralService', '$timeout', '$window',
         function($scope, focaAbmVehiculoService, $routeParams, $location, $uibModal,
         focaModalService, focaBotoneraLateralService, $timeout, $window) {
+            $scope.nuevo = ($routeParams.id > 0) ? false : true;
             $scope.editar = false;
             $scope.now = new Date();
             $scope.cisterna = {};
 
-            $scope.focused = 1;
+            $scope.focused = $scope.nuevo ? 1 : 2;
             $scope.next = function(key) {
                 if (key === 13) $scope.focused++;
             };
diff --git a/src/views/foca-abm-cisterna-item.html b/src/views/foca-abm-cisterna-item.html
index 80d687a..8ee62d9 100644
--- a/src/views/foca-abm-cisterna-item.html
+++ b/src/views/foca-abm-cisterna-item.html
@@ -18,6 +18,7 @@
                 ng-keypress="next($event.keyCode)"
                 foca-focus="focused == 1"
                 ng-focus="focused = 1"
+                ng-disabled="!nuevo"
                 teclado-virtual
             />
         </div>
diff --git a/src/views/foca-abm-vehiculos-item.html b/src/views/foca-abm-vehiculos-item.html
index 4fd97d0..0462654 100644
--- a/src/views/foca-abm-vehiculos-item.html
+++ b/src/views/foca-abm-vehiculos-item.html
@@ -21,6 +21,7 @@
                             foca-focus="focused == 1"
                             ng-focus="focused = 1"
                             ng-keypress="next($event.keyCode)"
+                            ng-disabled="!nuevo"
                         />
                     </div>
                 </div>