Power window switch illumination

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Apply battery positive voltage to power window main switch terminal K, and connect terminal P to ground.

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Verify that the power window switch illumination turns on.
- If the LED does not turn on, replace the power window main switch. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)