DESCRIPTION The main body ECU (multiplex network body ECU) determines the status of the automatic high beam system based on the automatic high beam system signal from the forward recognition camera.
WIRING DIAGRAM 
CAUTION / NOTICE / HINT NOTICE: First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this symptom Click here HINT: If the forward recognition camera stores a DTC for a malfunction of any of the following, this DTC will be stored simultaneously.
PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: System Select / Health Check. (e) Check for DTCs.
(a) Check if a dynamic radar cruise control system, lane departure alert system and pre-collision system warning message are displayed on the combination meter assembly. Click here OK: No dynamic radar cruise control system, lane departure alert system and pre-collision system warning messages are displayed.
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Toyota Tundra Service Manual > Front Power Seat Motor Assembly: Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEATBACK FRAME SUB-ASSEMBLY LH (w/o Seat Position Memory System) (a) Check the operation of the reclining motor LH. (1) Apply battery voltage to the reclining motor LH connector, and check that the reclining motor LH operates smoothly as follows. OK: Condition S ...
