OPERATION CHECK 1. CHECK WINDOW DEFOGGER OPERATION (a) Turn the ignition switch ON. (b) Check that pressing the air conditioning control assembly (rear window defogger switch) illuminates the indicator and warms the rear window surface. (c) Check that after approximately 15 minutes, the indicator light turns off and the window defogger deactivates. |
Toyota Tundra Service Manual > Window Defogger System: System Description
SYSTEM DESCRIPTION 1. GENERAL The defogger system's thin heater wires are attached to the rear window and defog the rear window surface quickly. The indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minutes. 2. FUNCTION OF MAIN C ...
