Measure the resistance between the connector terminals of the passenger’s seat belt switch when the passenger’s seat belt is fastened and detached.
Connector & terminal
(R108) No. 1 — (R108) No. 3:
Is the resistance when the belt is fastened 1 MΩ or more, and less than 10 Ω when the belt is detached?
Replace the passenger’s side inner belt assembly.