PROCEDURE
(a) Display the "Display" screen. (b) Turn the light control switch to the tail or head position. (c) Check if "Day Mode" on the display adjustment screen is on. OK: "Day Mode" setting is off
(a) Enter the "Vehicle Signal Check Mode" screen. [Refer to Check Vehicle Signal in Operation Check (See page
![]() (b) Check that the display for "TAIL" changes between ON and OFF according to the light control switch operation. OK:
HINT: This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation. Result
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Toyota Tundra Service Manual > Navigation System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the navigation system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS When troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions s ...