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Terminals Of Ecu

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH (EXCEPT 3 DOOR) 
    Fig 1: Identifying Power Window Regulator Master Switch ECU Terminals (Except 3 Door)
    G04833753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the G1 power window regulator master switch connector.
    2. Measure the voltage and resistance of the wire harness side connector.

      Standard: 

      Except 3 door

      POWER WINDOW REGULATOR MASTER SWITCH (EXCEPT 3 DOOR) SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (G1-6) - Body ground GR - Body ground Ignition power supply Ignition switch OFF Below 1 V
      B (G1-6) - Body ground GR - Body ground Ignition power supply Ignition switch ON 11 to 14 V
      E (G1-1) - 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 G1 power window regulator master switch connector.
    4. Measure the voltage of the connector.

      Standard voltage: 

      Except 3 door

      POWER WINDOW REGULATOR MASTER SWITCH (EXCEPT 3 DOOR) VOLTAGE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      U (G1-3) - E (G1-1) R-W-B Power window motor UP output (driver side) Ignition switch ON, driver side power window switch OFF --> UP (manual operation) Below 1 V --> 11 to 14 V
      D (G1-4) - E (G1-1) G-W-B Power window motor DOWN output (driver side) Ignition switch ON, driver side power window switch OFF --> DOWN (manual operation) Below 1 V --> 11 to 14 V
      D (G1-4) - E (G1-1) G-W-B Power window motor DOWN output (driver side) 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 --> 11 to 14 V --> Below 1 V
      U (G1-16) - E (G1-1) W-W-B Power window motor UP output (passenger side) Ignition switch ON, passenger side power window switch OFF --> UP Below 1 V --> 11 to 14 V
      D (G1-15) - E (G1-1) P-W-B Power window motor DOWN output (passenger side) Ignition switch ON, passenger side power window switch OFF --> DOWN Below 1 V --> 11 to 14 V
      U (G1-12) - E (G1-1) Y-W-B Power window motor UP output (rear LH) Ignition switch ON, rear LH side power window switch OFF --> UP Below 1 V --> 11 to 14 V
      D (G1-13) - E (G1-1) B-W-B Power window motor DOWN output (rear LH) Ignition switch ON, rear LH side power window switch OFF --> DOWN Below 1 V --> 11 to 14 V
      U (G1-10) - E (G1-1) R-W-B Power window motor UP output (rear RH) Ignition switch ON, rear RH side power window switch OFF --> UP Below 1 V --> 11 to 14 V
      D (G1-18) - E (G1-1) G-W-B Power window motor DOWN output (rear RH) Ignition switch ON, rear RH side power window switch OFF --> DOWN Below 1 V --> 11 to 14 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).
  2. CHECK POWER WINDOW REGULATOR MASTER SWITCH (3 DOOR) 
    1. Disconnect the G1 power window regulator master switch connector.
      Fig 2: Identifying Power Window Regulator Master Switch ECU Terminals (3 Door)
      G04833753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance of the wire harness side connector.

      Standard: 

      POWER WINDOW REGULATOR MASTER SWITCH (3 DOOR) SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (G1-15) - Body ground GR - Body ground Ignition power supply Ignition switch OFF Below 1 V
      B (G1-15) - Body ground GR - Body ground Ignition power supply Ignition switch ON 11 to 14 V
      E (G1-7) - 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 G1 power window regulator master switch connector.
    4. Measure the voltage of the connector.

      Standard voltage: 

      POWER WINDOW REGULATOR MASTER SWITCH (3 DOOR) VOLTAGE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      U (G1-10) - E (G1-7) R-W-B Power window motor UP output (driver side) Ignition switch ON, driver side power window switch OFF --> UP (manual operation) Below 1 V --> 11 to 14 V
      D (G1-12) - E (G1-7) G-W-B Power window motor DOWN output (driver side) Ignition switch ON, driver side power window switch OFF --> DOWN (manual operation) Below 1 V --> 11 to 14 V
      D (G1-12) - E (G1-7) G-W-B Power window motor DOWN output (driver side) 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 --> 11 to 14 V --> Below 1 V
      U (G1-16) - E (G1-7) W - W-B Power window motor UP output (passenger side) Ignition switch ON, passenger side power window switch OFF --> UP Below 1 V --> 11 to 14 V
      D (G1-18) - E (G1-7) P-W-B Power window motor DOWN output (passenger side) Ignition switch ON, passenger side power window switch OFF --> DOWN Below 1 V --> 11 to 14 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).
  3. CHECK POWER WINDOW SWITCH (PASSENGER SIDE) 
    1. Disconnect the F1 power window switch connector.
      Fig 3: Identifying Power Window Switch ECU Terminals (Passenger Side)
      G04833755Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage of the wire harness side connector.

      Standard voltage: 

      POWER WINDOW SWITCH (PASSENGER SIDE) VOLTAGE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (F1-3) - Body ground L - Body ground Ignition power supply Ignition switch OFF Below 1 V
      B (F1-3) - Body ground L-Body ground Ignition power supply Ignition switch ON 11 to 14 V
      D (F1-1) - Body ground G - Body ground Power window motor DOWN output Ignition switch ON, power window switch OFF --> DOWN Below 1 V --> 11 to 14 V
      SD (F1-2) - Body ground P - Body ground Power window motor DOWN input (Remote) Ignition switch ON, power window master switch OFF --> DOWN (Remote) Below 1 V --> 11 to 14 V
      U (F1-4) - Body ground R - Body ground Power window motor UP output Ignition switch ON, power window switch OFF --> UP Below 1 V --> 11 to 14 V
      SU (F1-5) - Body ground W - Body ground Power window motor UP input (Remote) Ignition switch ON, power window master switch OFF --> UP (Remote) Below 1 V --> 11 to 14 V

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

    3. Reconnect the F1 power window switch connector.
  4. CHECK POWER WINDOW SWITCH (REAR DOOR SIDE) 
    1. Disconnect the 11 and H1 power window switch connectors.
      Fig 4: Identifying Power Window Switch ECU Terminals (Rear Door Side)
      G04833756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage of the wire harness side connector.

      Standard voltage: 

      POWER WINDOW SWITCH (REAR DOOR SIDE) VOLTAGE SPECIFICATION

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      B (3) - Body ground SB - Body ground Ignition power supply Ignition switch OFF Below 1 V
      B (3) - Body ground SB - Body ground Ignition power supply Ignition switch ON 11 to 14 V
      U (4) - Body ground Y - Body ground Power window motor UP output Ignition switch ON, power window switch OFF --> UP Below 1 V --> 11 to 14 V
      D (1) - Body ground B - Body ground Power window motor DOWN output Ignition switch ON, power window switch OFF --> DOWN Below 1 V --> 11 to 14 V
      SU (5) - Body ground R - Body ground Power window motor UP input (Remote) Ignition switch ON, power window master switch OFF --> UP (Remote) Below 1 V --> 11 to 14 V
      SD (2) - Body ground G - Body ground Power window motor DOWN input (Remote) Ignition switch ON, power window master switch OFF --> DOWN (Remote) Below 1 V --> 11 to 14 V

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

    3. Reconnect the 11 and H1 power window switch connectors.
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