Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Data List / Active Test

Door Courtesy Switch Circuit

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Toyota Tundra Service Manual > Lighting System: Headlight (HI-BEAM) Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) receives headlight dimmer switch information signals and illuminates the high beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PR ...