DESCRIPTION This circuit provides power to the radio and display receiver assembly. WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(c) Measure the voltage according to the value(s) in the table below. Standard Voltage:
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Toyota Tundra Service Manual > Navigation System: Panel Switches do not Function
PROCEDURE 1. CHECK PANEL SWITCH (a) Check for foreign matter on the display. OK: The display is clean. NG REMOVE ANY FOREIGN MATTER FOUND OK 2. CHECK PANEL SWITCH (OPERATION CHECK) (a) Enter the "Panel & Steering Switch Check Mode" screen. [Refer to Check Panel & Steering Switch in Operation ...