PROCEDURE
(a) Check that the display is not in screen off mode. OK: The display setting is not in screen off mode.
(a) Check that the screen color quality can be set. OK: Setting is possible.
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Toyota Tundra Service Manual > Windshield Deicer System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the windshield deicer system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or rep ...