Follow the child restraint system manufacturer's instructions.
Firmly secure child restraints to the seats using the LATCH anchors or a seat belt. Attach the top tether strap when installing a child restraint. The lap/shoulder belt can be used if your child restraint system is not compatible with the LATCH (Lower Anchors and Tethers for Children) system. Double Cab models Child restraint LATCH anchors LATCH anchors are provided for the outer rear seats. (Buttons displaying the location of the anchors are attached to the seats. Seat belts equipped with a child restraint locking mechanism (ALR/ELR belts except driver's seat belt) Anchor bracket (for top tether strap) An anchor bracket is provided on each rear seat. CrewMax models Child restraint LATCH anchors LATCH anchors are provided for the outer rear seats. Seat belts equipped with a child restraint locking mechanism (ALR/ELR belts except driver's seat belt) Anchor bracket (for top tether strap) An anchor bracket is provided on each rear seat. Installation with LATCH system (Double Cab models) Type A 1. Widen the gap between the seat cushion and seatback slightly. 2. Latch the hooks of the lower straps onto the LATCH anchors. If the child restraint has a top tether strap, the top tether strap should be latched onto the top tether strap anchor. For owners in Canada: The symbol on a child restraint system indicates the presence of a lower connector system. Type B 1. Widen the gap between the seat cushion and seatback slightly. 2. Latch the buckles onto the LATCH anchors. If the child restraint has a top tether strap, the top tether strap should be latched onto the top tether strap anchor. For owners in Canada: The symbol on a child restraint system indicates the presence of a lower connector system. Installation with LATCH system (CrewMax models) Type A 1. Widen the gap between the seat cushion and seatback slightly. 2. Latch the hooks of the lower straps onto the LATCH anchors. If the child restraint has a top tether strap, the top tether strap should be latched onto the top tether strap anchor. For owners in Canada: The symbol on a child restraint system indicates the presence of a lower connector system. Type B 1. Widen the gap between the seat cushion and seatback slightly. 2. Latch the buckles onto the LATCH anchors. If the child restraint has a top tether strap, the top tether strap should be latched onto the top tether strap anchor. For owners in Canada: The symbol on a child restraint system indicates the presence of a lower connector system. Installing child restraints using a seat belt (child restraint lock function belt) ■ Rear-facing - Infant seat/convertible seat 1. Place the child restraint system on the seat facing the rear of the vehicle. 2. Run the seat belt through the child restraint system and insert the plate into the buckle. Make sure that the belt is not twisted. 3. Fully extend the shoulder belt and allow it to retract to put it in lock mode. In lock mode, the belt cannot be extended. 4. While pushing the child restraint system down into the rear seat, allow the shoulder belt to retract until the child restraint system is securely in place. After the shoulder belt has retracted to a point where there is no slack in the belt, pull the belt to check that it cannot be extended. ■ Forward-facing - Convertible seat 1. Place the child restraint system on the seat facing the front of the vehicle. 2. Run the seat belt through the child restraint system and insert the plate into the buckle. Make sure that the belt is not twisted. 3. Fully extend the shoulder belt and allow it to retract to put it in lock mode. In lock mode, the belt cannot be extended. 4. While pushing the child restraint system into the rear seat, allow the shoulder belt to retract until the child restraint system is securely in place. After the shoulder belt has retracted to a point where there is no slack in the belt, pull the belt to check that it cannot be extended. 5. If the child restraint has a top tether strap, the top tether strap should be latched onto the top tether strap anchor. ■ Booster seat 1. Place the child restraint system on the seat facing the front of the vehicle. 2. Sit the child in the child restraint system. Fit the seat belt to the child restraint system according to the manufacturer's instructions and insert the plate into the buckle. Make sure that the belt is not twisted. Check that the shoulder belt is correctly positioned over the child's shoulder and that the lap belt is as low as possible. Removing a child restraint installed with a seat belt Push the buckle release button and fully retract the seat belt. Child restraint systems with a top tether strap (Double Cab models) ■ Right rear seat or center rear seat 1. Secure the child restraint system using a seat belt or the lower anchors. 2. Remove the head restraints of right and center rear seats. 3. Pull up the straps of right and center seats. 4. Route the top tether strap through the anchor strap router as shown in the illustration. Make sure the top tether strap is not twisted.
Right rear seat Center rear seat 5. Latch the hook onto the anchor strap ring and tighten the top tether strap. Make sure the top tether strap is securely latched.
Right rear seat Center rear seat 6. Replace the head restraints of right and center rear seats. ■ Left rear seat 1. Secure the child restraint system using a seat belt or the lower anchors. 2. Remove the head restraints of center and left rear seats. 3. Pull up the straps of center and left seats. 4. Route the top tether strap through the anchor strap router as shown in the illustration. Make sure the top tether strap is not twisted.
5. Latch the hook onto the anchor strap ring and tighten the top tether strap. Make sure the top tether strap is securely latched.
6. Replace the head restraints of center and left seats. Child restraint systems with a top tether strap (CrewMax models) ■ Right rear seat or center rear seat 1. Secure the child restraint system using a seat belt or the lower anchors. 2. Remove the head restraints of the right and center rear seats. 3. Route the top tether strap through the anchor strap belt as shown in the illustration. Make sure the top tether strap is not twisted.
Right rear seat Center rear seat 4. Latch the hook onto the anchor strap belt and tighten the top tether strap. Make sure the top tether strap is securely latched.
Right rear seat Center rear seat 5. Replace the head restraints of right and center rear seats. ■ Left seat 1. Secure the child restraint system using a seat belt or the lower anchors. 2. Remove the head restraints of the center and left rear seats. 3. Route the top tether strap through the anchor strap belt as shown in the illustration. Make sure the top tether strap is not twisted.
4. Latch the hook onto the anchor strap belt and tighten the top tether strap. Make sure the top tether strap is securely latched.
5. Replace the head restraints of center and left rear seats. ■Laws and regulations pertaining to anchorages The LATCH system conforms to FMVSS225 or CMVSS210.2. Child restraint systems conforming to FMVSS213 or CMVSS213 specifications can be used. This vehicle is designed to conform to the SAE J1819.
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Toyota Tundra Service Manual > Occupant Classification System: Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals ma ...