Heres a little list I had put together previously for everyones reference. If I've got something wrong or missing let me know and I'll edit the post with the proper information!
Toyota Van Bulb Sizes
Interior:
Map light bulb - DE3175 (31mm)
Side door step courtesy light bulb - DE3022 (31mm)
Rear cargo area light bulb - 194 (T10)
Exterior:
Side marker light bulb - 194 (T10)
Parking light bulb - 194 (T10)
Front turn signal light bulb - 1156 (wrong - 1157?)
Rear turn signal light bulb - 1156 (wrong - 1157?)
Front turn signal clear corners - 1156
Tail light bulb - 1157
Headlight bulb (hi beam) - H4651
Headlight bulb (lo beam) - H4656
Back up bulb - 1156
Brake light bulb - 1157
License plate light bulb - 89 (1156)
Fog Lights- H3C
Dashboard:
9x 158/194/T10 (white)
4x 158/194/T10 (green)
2x 74/T5
