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 > Trailer Brake Control System: Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be ...