2012 Acura TL BaseFACTORY OEM SERVICE PROCEDURE

Rear Power Window Motor Test

  1. Remove the rear door panel (see REAR DOOR PANEL REMOVAL/INSTALLATION ).
  2. Test the rear power window motor in each direction by connecting battery power and ground to the rear power window switch 14P connector (A) according to the table.
    Fig 1: Identifying Rear Power Window Switch 14P Connector
    G08071480Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. If the motor does not run or fails to run smoothly, go to step 4.
  4. Disconnect the 2P connector (A) from the rear power window motor (B).
    Fig 2: Identifying 2P Connector And Rear Power Window Motor
    G08071481Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Check for continuity between rear power window switch 14P connector terminals No. 1 and No. 7, and rear power window motor 2P connector terminals No. 1 and No. 2 respectively. There should be continuity.

    REAR POWER WINDOW SWITCH 14P CONNECTOR 

    Terminal No. 1

    Terminal No. 7

    REAR POWER WINDOW MOTOR 2P CONNECTOR 

    Terminal No. 1

    Terminal No. 2

    Fig 3: Checking Continuity Between Rear Power Window Switch 14P Connector Terminals And Motor 2P Connector Terminals
    G08071482Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. If there is no continuity, repair an open or high resistance in the wires. If the wire harness is OK, the rear power window motor is faulty; replace the rear door regulator (see REAR DOOR GLASS AND REGULATOR REPLACEMENT ).
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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