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 > Tire Pressure Warning System: ECU Power Source Circuit
DESCRIPTION The IG circuit is the power source for the tire pressure warning ECU and receiver. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the Techstream and write them down before remo ...