Power Window Main Switch Inspection

POWER WINDOW MAIN SWITCH INSPECTION

1. Disconnect the negative battery cable.

2. Remove the driver-side inner garnish. Inner Garnish Removal/Installation

3. Remove the main switch panel. Overhaul

4. Remove the driver-side front door trim. Front Door Trim Removal/Installation

5. Connect the power window main switch connector.

6. Connect the negative battery cable.

7. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table.

- If the voltage is not as specified in the terminal voltage table (reference), inspect the parts under Inspection item(s) and related wiring harnesses.

- If the system does not work normally even though the inspection items or related wiring harnesses do not have any malfunction, replace the power window main switch. Power Window Main Switch Removal/Installation

Terminal Voltage Table (Reference)













Inspection Using an Oscilloscope (Reference)





- Terminal:
2C (+) -> ground (-)
2D (+) -> ground (-)
- Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range