Circuit/System Verification

Ignition ON
Verify the driver window functions while commanding the Driver Window Motor Up and Down with a scan tool.
- If the Up and Down does not work
  Replace the M74D Window Motor - Driver.
- If the UP and DOWN works
Verify the driver window performs the Express Up and Express Down functions with the driver window switch.
- If the driver window does not Express Up and Express Down
  Normalize the driver window motor, refer to Window Motor Programming - Express Function .
- If the driver window performs the Express Up and Express Down functions
All OK.