Driver's Side
- Measure the voltage at each terminal (other than terminal 1M).
- If the voltage is not as specified in the Terminal Voltage Table (see POWER WINDOW MAIN SWITCH INSPECTION ), inspect the parts under "Inspection item(s)" and related wiring harnesses.
- Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [L3] ).
- Disconnect the negative battery cable.
- Inspect the power window main switch connector for continuity at terminal 1M.
- If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the power window main switch.POWER WINDOW MAIN SWITCH INSPECTION REFERENCE
Terminal Signal Name Connected To Measured Condition Voltage (V)/Continuity Inspection Item(S) 1A Open output Power window motor While door glass is opening B+ - Power window motor (See POWER WINDOW MOTOR INSPECTION ).
- Related wiring harnesses
While door glass is closing 1.0 or less 1C Close output Power window motor While door glass is opening 1.0 or less - Power window motor (See POWER WINDOW MOTOR INSPECTION ).
- Related wiring harnesses
While door glass is closing B+ 1B Power supply P/W 40 A fuse Ignition switch at ON B+ - P/W 40 A fuse
- Related wiring harnesses
1M GND Body ground Under any condition: Inspect for continuity to ground Continuity detected - GND