DESCRIPTION When the ignition switch is turned to on, the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. The multiplex tilt and telescopic ECU also receives ignition switch signals via this circuit. WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT HINT: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Lighting: Personal Light Assembly
Components COMPONENTS ILLUSTRATION Disassembly DISASSEMBLY PROCEDURE 1. REMOVE MAP LIGHT BULB HINT: Use the same procedure for both map light bulbs. (a) Put protective tape around the map light lens. Text in Illustration *1 Protective Tape (b) Using a screwdriver, detach the 2 claws and guide and re ...