Toyota Workshop Service and Repair Manuals

"Case 1"
Raise the terminal retainer up to the temporary lock position.

"Case 2"
Open the secondary locking device.

[B] : For Waterproof Type Connector

HINT:  Terminal retainer color is different according to connector body.

Example:
Terminal Retainer: Connector Body
Black or White: Gray
Black or White: Dark Gray
Gray or White: Black