INITIALIZATION NOTICE: Make sure that the front passenger seat is not occupied before performing the operation. HINT: Perform the zero point calibration and sensitivity check if any of the following conditions apply.
1. ZERO POINT CALIBRATION (a) Zero point calibration procedures: HINT: Make sure that the zero point calibration has finished normally, and then perform the sensitivity check. (1) Check that all of the following conditions are met:
(2) Adjust the seat position in accordance with the table below.
(3) Connect the Techstream to the DLC3. (4) Turn the ignition switch to ON. (5) Perform the zero point calibration by following the prompts on the screen. HINT:
2. SENSITIVITY CHECK (a) Sensitivity check procedures: (1) Connect the Techstream to the DLC3. (2) Turn the ignition switch to ON. (3) Perform the sensitivity check by following the prompts on the screen. HINT: Refer to the Techstream operator's manual for further details. (4) Confirm that the beginning sensor reading is within the standard range. Standard range: -3.2 to 3.2 kg (-7.0 to 7.0 lb) (5) Place a 30 kg (66.1 lb) weight (eg. a 30 kg (66.1 lb) of lead mass) onto the front passenger seat. ![]() NOTICE:
(6) Confirm that the sensitivity is within the standard range. Standard range: 27 to 33 kg (59.5 to 72.8 lb) HINT:
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Toyota Tundra Service Manual > Pre-collision System: System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Millimeter Wave Radar Sensor Assembly Forward Recognition Camera Pre-collision alarm signal Pre-collision braking operation signal CAN Skid Control ECU (Brake Actuator Assembly) Brake assist standby signal Pre-collision braking operation ...