Toyota Tundra Service Manual: Parts Location

IG Power Source Circuit

Precaution

See More:

Toyota Tundra Service Manual > Lighting System: DRL Relay Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) controls the daytime running lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE 1. PERFORM ACTIVE TEST USING TECHSTREAM (a) Using ...