Whisk together vinegar, soy sauce, brown sugar, ginger and garlic; slowly whisk in oil. Divide dressing, reserving half.
Preheat grill to medium-high and brush or rub with a little vegetable oil. Brush fillet evenly with dressing. Grill on first side for 3 to 4 minutes. Turn, brush with more dressings , and grill 3 to 4 minutes longer or until salmon flakes easily with a fork but is still coral-coloured in the centre.
Break fish into large chunks and toss with greens, sliced peas and carrot. Drizzle with reserved dressing and mix to coat. Divide evenly among 4 plates and serve.