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 > Can Communication System: Check Bus 1 Line for Short to +B
DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and termin ...