POWER WINDOW CONTROL SYSTEM (w/o Jam Protection Function) TERMINALS OF ECU


  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH

    A01J3JBE12

    1. Disconnect the P6 switch connector.

    2. Measure the voltage and resistance of the wire harness side connector.

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (P6-6) - Body ground L - Body ground Ignition power supply Ignition switch OFF Below 1 V
      B (P6-6) - Body ground L - Body ground Ignition power supply Ignition switch ON 10 to 14 V
      E (P6-3) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the P6 switch connector.

    4. Measure the voltage of the connector.

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      DU (P6-4) - E (P6-3) R - W-B Power window motor UP output Ignition switch ON, driver side power window switch OFF → UP (manual operation) Below 1 V → 10 to 14 V
      DD (P6-9) - E (P6-3) L-R - W-B Power window motor DOWN output Ignition switch ON, driver side power window switch OFF → DOWN (manual operation) Below 1 V → 10 to 14 V
      DD (P6-9) - E (P6-3) L-R - W-B Power window motor DOWN output Ignition switch ON, driver side power window fully closed → driver side power window switch DOWN (AUTO operation) → driver side power window fully open Below 1 V → 10 to 14 V → Below 1 V

      If the result is not as specified, the master switch may have a malfunction.

    5. Check the AUTO light illumination.


      1. After turning the ignition switch ON, check that the AUTO light illuminates (green).