Motor Test: Remove the door panel (see page 20-7). Disconnect the 6P connector (A) from the driver's window motor (B). Terminal side of male terminals Test the motor in each direction by connecting battery power and ground according to the table. When the motor stops running, disconnect one lead immediately. If the motor does not run or fails to run smoothly, replace it.

Detection Circuit Test: Turn the ignition switch ON (II). Move the driver's window up with the driver's switch Manual UP. Hold the top of window glass with hands while the window moving up. Move the driver's window up with the driver's switch Manual UP. Does the window move down immediately? YES – The driver's window motor is OK. NO – Go to step 5. Check for continuity between the driver's window motor No. 3 terminal and the master switch No. 13 terminal and the driver's window motor No. 4 terminal and the master switch No. 9 (RHD type: No. 1) terminal. Is there continuity? YES – Go to step 6. NO – An open in the wire. Check for continuity between the driver's window motor No. 5 terminal and power window master switch No. 20 terminal and the driver's window motor No. 6 terminal and the master switch No. 16 terminal. Is there continuity? YES – Go to step 7. NO – An open in the wire. Substitute a known-good power window master switch and recheck from step 3. Does the window move down immediately? YES – Replace the power window master switch. NO – Replace the driver's window motor.