Master Switch Input Test

NOTE: The power window control unit is built into the power window master switch, and it only controls the driver's window operations.

Remove the switch panel from the door panel (see FRONT DOOR OUTER HANDLE REPLACEMENT ).
Disconnect the 20P connector (A) from the master switch (B).

Fig 1: Disconnecting 20-Pin Connector From Master Switch
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Inspect the connector and socket terminals to be sure they are all making good contact.
- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, go to step 4.
Reconnect the 20P connector to the switch, and perform the following input tests.
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, go to step 5.
  
  Fig 2: Master Switch Input Test
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the 20P connector from the switch connector, and make these input tests at the connector.
- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, the control unit must be faulty: replace the power window master switch.
  
  Fig 3: Master Switch Input Test
  Courtesy of AMERICAN HONDA MOTOR CO., INC.