PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary. Key reminder warning system
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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 ...
