Toyota TUNDRA-2005 Owner's Manual page 211

Reference
Type 1: AM·FM radio/compact disc player
(with compact disc changer controller)
210
'05 TUNDRA_U (L/O 0409)
Type 2: AM·FM radio/cassette player/com-
pact disc player (with compact
changer controller)
Type 3: AM·FM radio/cassette player/com-
disc pact disc player with changer
2005 TUNDRA from Sep. '04 Prod. (OM34432U)