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Inspect Buckle Switch Continuity

WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

W/O Power Seat (Passenger Side):

Check that continuity exists between terminals 1 and 2 on the switch side connector with the switch ON (belt fastened).

Fig 1: Testing Passenger's Side Buckle Switch Continuity (W/O Power Seat)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Check that no continuity exists between terminal 1 an 2 on the switch side connector with the switch OFF (belt unfastened).
If operation is not as specified, replace the seat belt inner.

W/O Power Seat (Driver Side):

Check that continuity exists between terminals 5 and 6 on the switch side connector with the switch ON (belt fastened).

Fig 1: Testing Driver's Side Buckle Switch Continuity (W/O Power Seat)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Check that no continuity exists between terminal 5 an 6 on the switch side connector with the switch OFF (belt unfastened).
If operation is not as specified, replace the seat belt inner.

w/ Power Seat:

Check that continuity exists between terminals 1 and 2 on the switch side connector with the switch ON (belt fastened).
Check that no continuity exists between terminal 1 an 2 on the switch side connector with the switch OFF (belt unfastened).
If operation is not as specified, replace the seat belt inner.

Fig 1: Testing Buckle Switch Continuity (W/Power Seat)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002