Tundra 2WD V6-4.0L (1GR-FE) (2005)
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Except regular cab (60:40 separate seat type (Passenger side)):
INSPECT BUCKLE SWITCH CONTINUITY
a. Check that continuity exists between terminals 1 and 4 on the switch connector with the switch ON (belt fastened).
b. Check that no continuity exists between terminals 1, 3 and 4 on the switch side connector with the switch OFF (belt unfastened).
If the continuity is not as specified, replace the inner seat belt.
Regular cab (Passenger side):
INSPECT BUCKLE SWITCH CONTINUITY
a. Check that continuity exists between terminals 1 and 3 on the switch connector with the switch ON (belt fastened).
b. Check that no continuity exists between terminals 1, 3 and 4 on the switch side connector with the switch OFF (belt unfastened).
If the continuity is not as specified, replace the inner seat belt.
Except regular cab (Except 60:40 separate seat type (Passenger side)):
INSPECT BUCKLE SWITCH CONTINUITY
The seat belt buckle switch cannot be inspected independently because it is a hall effect switch.