REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH for Double Cab: (See page for CrewMax: (See page 2. REMOVE COWL SIDE TRIM BOARD LH
3. REMOVE INSTRUMENT SIDE PANEL LH
4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH
5. REMOVE HEADLIGHT LEVELING SWITCH
(a) Using a screwdriver, detach the 2 claws and remove the headlight leveling switch. HINT: Tape the screwdriver tip before use. Text in Illustration
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Toyota Tundra Service Manual > Lighting System: Headlight Dimmer Switch Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) receives the following signals: Light control switch in off*1, DRL-Off*2, tail, head or Auto position Headlight dimmer switch in high, low or high flash (pass) position Fog light switch front position*3 *1: w/o DRL Off Switch *2: w/ DRL Off ...