Body

Power Window Motor Inspection

~2min read
Front Driver Side

1. Disconnect the negative battery cable..

2. Remove the inner garnish..

3. Remove the front door trim..

4. Disconnect the power window motor connector.

5. Apply battery positive voltage and connect the ground to power window motor terminals E and F, and then inspect the power window motor operation.


  • If the power window motor does not operate as indicated in the table, replace the power window motor.


Operation

Terminal

E

F

Open

Ground

B+

Close

B+

Ground


6. Connect the battery positive voltage to power window motor terminal D and connect terminal C to ground.

7. Operate the power window motor and measure the voltage at terminals A and B.

  • If there is any malfunction, replace the power window motor.

    Voltage
  • Pulse: max. 5 V/min. 0 V

Front Passenger Side

1. Disconnect the negative battery cable..

2. Remove the inner garnish..

3. Remove the front door trim..

4. Disconnect the power window motor connector.

5. Apply battery positive voltage and connect the ground to power window motor terminals E and F, and then inspect the power window motor operation.


  • If the power window motor does not operate as indicated in the table, replace the power window motor.


Operation

Terminal

E

F

Open

Ground

B+

Close

B+

Ground


Rear

1. Disconnect the negative battery cable..

2. Remove the rear door trim..

3. Disconnect the power window motor connector.

4. Apply battery positive voltage and connect the ground to power window motor terminals E and F, and then inspect the power window motor operation.


  • If the power window motor does not operate as indicated in the table, replace the power window motor.


Operation

Terminal

E

F

Open

Ground

B+

Close

B+

Ground

Test yourself

A quick Mazda 3 quiz: every answer comes with an explanation and a link to the manual page.