Toyota Tundra Service Manual: Operation Check

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.

    How To Proceed With Troubleshooting

    Parts Location

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    INSPECTION PROCEDURE 1. INSPECT COOLER (ROOM TEMPERATURE SENSOR) THERMISTOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 - 2 10°C (50°F) 3.00 to 3.73 kΩ 15°C (59°F) 2.45 to 2.88 kΩ 20°C (68°F) ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

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