Toyota Tundra Service Manual: System Diagram

System Description

Terminals Of Ecu

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Toyota Tundra Service Manual > Lighting System: Headlight Relay Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) receives light control switch information signals and illuminates the low beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the bulbs and fuses for circuits related to this system before performing the following procedu ...