2008 Toyota Tundra Owners Manual - Page 104

07 11.20 8. SRS warning light The seat belt pretensioners are controlled by the airbag sensor assembly. The airbag sensor assembly consists of a safing sensor and airbag sensor. XS13132a XS13139 When the seat belt pretensioners are activated, an operating noise may be heard and a small amount of non−toxic gas may be released. This does not indicate that a fire is occurring. This gas is normally harmless. Once the seat belt pretensioners have been activated, the seat belt retractors remain locked. The seat belt pretensioners will not operate in a vehicle rollover if the "RSCA OFF" indicator light is on. For details, see "-Roll sensing of curtain shield airbags off switch" on page 114 in this Section. The seat belt pretensioner system consists mainly of the following components and their locations are shown in the illustration. 1. Front airbag sensors 2. Passenger airbag on−off indicator light 3. Front passenger occupant classification ECU 4. Load sensor 5. Seat belt pretensioner assemblies 6. Front passenger's switch seat belt buckle CAUTION D Do not modify, remove, strike or open the seat belt pretensioner assemblies, airbag sensor or surrounding area or wiring. Failure to follow these instructions may prevent the seat belt pretensioners from activating correctly, cause sudden operation of the system or disable the system, which could result in death or serious injury. Consult your Toyota dealer about any repair and modification. 7. Airbag sensor assembly 74 2008 TUNDRA from Apr. '08 Prod. (OM34477U)