REMOVAL PROCEDURE 1. REMOVE RADIATOR SIDE GRILLE LH
(a) Detach the 2 claws and 3 guides as shown in the illustration to remove the radiator side grille LH. 2. REMOVE RADIATOR GRILLE SUB-ASSEMBLY (a) w/ Toyota Safety Sense P: (1) Disconnect the millimeter wave radar sensor connector. (b) Put protective tape around the radiator grille sub-assembly.
(c) Remove the 4 screws and 2 clips.
(d) Detach the 4 claws and 3 clips and remove the radiator grille sub-assembly.
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Toyota Tundra Service Manual > Sfi System: Brake Switch "B" Circuit High (P0724)
DESCRIPTION The purpose of this circuit is to prevent the engine from stalling while driving in the lock-up condition when the brakes are suddenly applied. When the brake pedal is depressed, this switch sends a signal to the ECM. Then the ECM cancels the operation of the lock-up clutch while braking ...