Half Connection Prevention Mechanism; Connector Lock Mechanism - Toyota Prius 2010 Repair Manual

(3) Half connection prevention mechanism:

If the connector is not completely connected, the connector is disconnected due to the spring operation so that
no continuity exists.
(4) Connector position assurance mechanism:
Only when the housing lock (white part) is completely engaged, the CPA (yellow part) slides, which completes
the connector engagement.

(5) Connector lock mechanism (1):

Locking the connector lock button connects the connector securely.
(6) Connector lock mechanism (2):
Both the primary lock with holder lances and the secondary lock with retainer prevent the connectors from
being disconnected.
2004-2009 Toyota Prius
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: PRECAUTION (2009 Prius)
Service Manual