REASSEMBLY CAUTION / NOTICE / HINT HINT:
PROCEDURE 1. INSTALL FRONT SIDE MARKER LIGHT BULB (a) Install the front side marker light bulb to the front side marker light bulb socket.
2. INSTALL FRONT TURN SIGNAL LIGHT BULB (a) Install the front turn signal light bulb to the front turn signal light bulb socket.
3. INSTALL NO. 1 HEADLIGHT BULB (a) Set the No. 1 headlight bulb to the headlight unit LH. (b) Lock the set spring to install the No. 1 headlight bulb to the headlight unit LH. NOTICE: Do not touch the No. 1 headlight bulb glass. (c) Install the No. 1 headlight bulb cover. |
Toyota Tundra Service Manual > Lighting System: LED Headlight LH Circuit Malfunction (B2430,B2431)
DESCRIPTION The illumination of the low beam headlights is controlled by the main body ECU (multiplex network body ECU). When the headlights are turned on, the main body ECU (multiplex network body ECU) receives a signal from the headlight assembly and detects the illumination condition of the low b ...