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Terminals Of Ecu

  1. CHECK DRIVER DOOR ECU 
    Fig 1: Identifying Terminals Of ECU (Driver Door)
    G03000734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the D24 and D25 ECU connectors.
    2. Measure the voltage and resistance of the wire harness side connectors.

      Standard 

      D24 AND D25 ECU CONNECTORS VOLTAGE AND RESISTANCE SPECIFICATIONS

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      GND (D25-1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      CPUB (D25-4) - Body ground V-Y - Body ground +B power supply Always 10 to 14 V
      SIG (D25-5) - Body ground R-L - Body ground Ignition power supply Ignition switch OFF --> ON 0 V --> 10 to 14 V
      BDR (D25-6) - Body ground R - Body ground +B power supply Always 10 to 14 V
      DN (D25-2) - UP (D25-3) G - R-G Power window motor UP input Power window motor DOWN input Always Below 1 Ω
      WLSW (D25-16) - Body ground Y - Body ground Power window lock switch input Ignition switch ON, window lock switch LOCK --> UNLOCK Below 1 Ω --> 10 kΩ or higher
      LMT (D25-19) - SGND (D25-20) B-W - BR-W Power window limit switch input Power window fully closed 10 kΩ or higher
      LMT (D25-19) - SGND (D25-20) B-W - BR-W Power window limit switch input Power window fully opened Below 1 Ω
      CTY (D25-23) - Body ground P-G - Body ground Driver side courtesy switch input Driver side door closed --> open 10 kΩ or higher --> Below 1 Ω
      DT3 (D24-4) - SC1 (D24-17) G-B - L-R Rear LH window remote down input Rear LH window using power window master switch OFF --> DOWN 10 kΩ or higher --> Below 1 Ω
      DT3 (D24-4) - SC2 (D24-16) G-B - Y-R Rear LH window remote up input Rear LH window using power window master switch OFF --> UP 10 kΩ or higher --> Below 1 Ω
      DT3 (D24-4) - SC3 (D24-15) G-B - R-W Rear LH window remote AUTO up/down input Rear LH window using power window master switch UP --> AUTO UP or DOWN --> AUTO DOWN 10 kΩ or higher --> Below 1 Ω
      PLS (D25-8) - SGND (D25-20) V-G - BR-W Power window pulse sensor input Power window operating Pulse generation
      SGND (D25-20) - Body ground BR-W - Body ground Ground Always Below 1 Ω
      WLS1 (D25-25) - Body ground Y-B - Body ground Power window lock switch output Ignition switch ON, window lock switch LOCK --> UNLOCK Below 1 Ω --> 10 kΩ or higher
      DT2 (D24-5) - SC1 (D24-17) L-B - L-R Rear RH window remote down input Rear RH window using power window master switch OFF --> DOWN 10 kΩ or higher --> Below 1 Ω
      DT2 (D24-5) - SC2 (D24-16) L-B - Y-R Rear RH window remote up input Rear RH window using power window master switch OFF --> UP 10 kΩ or higher --> Below 1 Ω
      DT2 (D24-5) - SC3 (D24-15) L-B - R-W Rear RH window remote AUTO up/down input Rear RH window using power window master switch UP --> AUTO UP or DOWN --> AUTO DOWN 10 kΩ or higher --> Below 1 Ω
      DT1 (D24-6) - SC1 (D24-17) G-R - L-R Passenger door window remote up input Passenger side window using power window master switch OFF --> DOWN 10 kΩ or higher --> Below 1 Ω
      DT1 (D24-6) - SC2 (D24-16) G-R - Y-R Passenger door window remote down input Passenger side window using power window master switch OFF --> UP 10 kΩ or higher --> Below 1 Ω
      DT1 (D24-6) - SC3 (D24-15) G-R - R-W Passenger door window remote AUTO up/down input Passenger side window using power window master switch UP --> AUTO UP or DOWN --> AUTO DOWN 10 kΩ or higher --> Below 1 Ω
      AUTO (D24-2) - Body ground W-G - Body ground Driver side power window AUTO UP/DOWN input Driver side window using power window master switch UP --> AUTO UP or DOWN --> AUTO DOWN 10 kΩ or higher --> Below 1 Ω
      MUP (D24-23) - Body ground Y-B - Body ground Driver side power window MANUAL UP input Driver side window using power window master switch OFF --> UP 10 kΩ or higher --> Below 1 Ω
      MDN (D24-25) - Body ground G - Body ground Driver side power window MANUAL DOWN input Power window master switch OFF --> DOWN 10 kΩ or higher --> Below 1 Ω
      PWE (D24-30) - Body ground BR-R - Body ground Power window master switch ground Always Below 1 Ω
      PWS (D24-22) - Body ground V-W - Body ground Power window master switch supply Ignition switch ON or key off operation 10 to 14 V

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

    3. Reconnect the D24 and D25 ECU connectors.
    4. Check the voltage of the connector.

    Standard 

    ECU CONNECTORS VOLTAGE SPECIFICATIONS

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    DN (D25-2) - Body ground G - Body ground Power window motor DOWN input Ignition switch ON, driver side window using power window master switch OFF --> DOWN 0 V --> 10 to 14 V
    UP (D25-3) - Body ground R-G - Body ground Power window motor UP input Ignition switch ON, driver side window using power window master switch OFF --> UP 0 V --> 10 to 14 V
    WLSW (D25-16) - Body ground Y - Body ground Power window lock switch input Ignition switch ON, window lock switch UNLOCK --> LOCK 10 to 14 V --> 0 V

    If the result is not as specified, the driver door ECU may have a malfunction.

  2. CHECK PASSENGER DOOR ECU 
    Fig 2: Identifying Passenger Door ECU Connector Terminals
    G03000735Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the F16 and F17 ECU connectors.
    2. Measure the voltage and resistance of the wire harness side connectors.

      Standard 

      F16 AND F17 ECU CONNECTORS RESISTANCE SPECIFICATIONS

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      GND (F17-1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      CPUB (F17-4) - Body ground V-Y - Body ground +B power supply Always 10 to 14 V
      SIG (F17-5) - Body ground R-L - Body ground Ignition power supply Ignition switch OFF --> ON 0 V --> 10 to 14 V
      BDR (F17-6) - Body ground R - Body ground +B power supply Always 10 to 14 V
      DN (F17-2) - UP (F17-3) G - R-G Power window motor UP input Power window motor DOWN input Always Below 1 Ω
      WLS1 (F17-25) - Body ground B-L - Body ground Power window lock switch input Ignition switch ON, window lock switch LOCK --> UNLOCK Below 1 Ω --> 10 kΩ or higher
      LMT (F17-19) - SGND (F17-20) B-W - BR-W Power window limit switch input Power window fully closed 10 kΩ or higher
      LMT (F17-19) - SGND (F17-20) B-W - BR-W Power window limit switch input Power window fully opened Below 1 Ω
      CTY (F17-23) - Body ground P-G - Body ground Rear RH courtesy switch input Rear RH door CLOSED --> OPEN 10 kΩ or higher --> Below 1 Ω
      AUTO (F16-2) - Body ground W-G - Body ground Rear RH power window AUTO UP/DOWN input Rear RH regulator switch UP --> AUTO UP or DOWN --> AUTO DOWN 10 kΩ or higher --> Below 1 Ω
      MUP (F16-23) - Body ground GR-G - Body ground Rear RH power window UP input Rear RH regulator switch OFF --> UP 10 kΩ or higher --> Below 1 Ω
      MDN (F16-25) - Body ground L-W - Body ground Rear RH power window DOWN input Rear RH regulator switch OFF --> DOWN 10 kΩ or higher --> Below 1 Ω
      PWE (F16-30) - Body ground BR-W - Body ground Power window regulator switch ground Always Below 1 Ω
      WLSW (F17-16) - Body ground Y-B - Body ground Power window lock switch input Ignition switch ON, window lock switch LOCK --> UNLOCK Below 1 Ω --> 10 kΩ or higher
      PLS (F17-8) - SGND (F17-20) V-G - BR-W Power window pulse sensor input Power window operating Pulse generation
      SGND (F17-20) - Body ground BR-W - 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 F16 and F17 ECU connectors.
    4. Measure the voltage of the connector.

    Standard 

    F16 AND F17 ECU CONNECTORS VOLTAGE SPECIFICATIONS

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    DN (F17-2) - Body ground G - Body ground Power window motor DOWN input Ignition switch ON, rear RH regulator switch OFF --> DOWN 0 V --> 10 to 14 V
    UP (F17-3) - Body ground R-G - Body ground Power window motor UP input Ignition switch ON, rear RH regulator switch OFF --> UP 0 V --> 10 to 14 V
    WLS1 (F17-25) - Body ground B-L - Body ground Power window lock switch input Ignition switch ON, window lock switch UNLOCK --> LOCK 10 to 14 V --> 0 V

    If the result is not as specified, the passenger door ECU may have a malfunction.

  3. CHECK REAR DOOR LH ECU 
    Fig 3: Identifying Rear Door LH ECU Connector Terminals
    G03000736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R12 and R13 ECU connectors.
    2. Measure the voltage and resistance of the wire harness side connectors.

      Standard 

      R12 AND R13 ECU CONNECTORS VOLTAGE AND RESISTANCE SPECIFICATIONS

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      GND (R13-6) - Body ground W-B - Body ground Ground Always Below 1 Ω
      CPUB (R13-1) - Body ground V-Y - Body ground +B power supply Always 10 to 14 V
      SIG (R13-26) - Body ground R-L - Body ground Ignition power supply Ignition switch OFF --> ON 0 V --> 10 to 14 V
      BDR (R13-2) - Body ground R-B - Body ground +B power supply Always 10 to 14 V
      DN (R13-4) - UP (R13-5) G - R Power window motor UP input Power window motor DOWN input Always Below 1 Ω
      PCTO (R12-11) - Body ground W-G - Body ground Power window lock switch input Ignition switch ON, window lock switch LOCK --> UNLOCK Below 1 Ω --> 10 kΩ or higher
      LMT (R13-16) - SGND (R13-14) B-W - BR-B Power window limit switch input Power window fully closed 10 kΩ or higher
      LMT (R13-16) - SGND (R13-14) B-W - BR-B Power window limit switch input Power window fully opened Below 1 Ω
      CTY (R13-7) - Body ground L - Body ground Rear door LH courtesy switch input Rear door LH CLOSED --> OPEN 10 kΩ or higher --> Below 1 Ω
      PCTI (R13-24) - Body ground Y-B - Body ground Power window lock switch input Ignition switch ON, window lock switch LOCK --> UNLOCK Below 1 Ω --> 10 kΩ or higher
      PLS (R13-17) - SGND (R13-14) Y-R - BR-B Power window pulse sensor input Power window operating Pulse generation
      SGND (R13-14) - Body ground BR-B - Body ground Ground Always Below 1 Ω
      AUTO (R12-10) - Body ground GR-G - Body ground Rear LH power window AUTO UP/DOWN input Rear LH regulator switch UP --> AUTO UP or DOWN --> AUTO DOWN 10 kΩ or higher --> Below 1 Ω
      MUP (R12-29) - Body ground L-W - Body ground Rear LH power window UP input Rear LH regulator switch OFF --> UP 10 kΩ or higher --> Below 1 Ω
      MDN (R12-21) - Body ground R-W - Body ground Rear LH power window DOWN input Rear LH regulator switch OFF --> DOWN 10 kΩ or higher --> Below 1 Ω
      PWE (R12-19) - Body ground BR-R - Body ground Power window regulator switch 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 R12 and R13 ECU connectors.
    4. Measure the voltage of the connectors.

    Standard 

    R12 AND R13 ECU CONNECTORS VOLTAGE SPECIFICATIONS

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    DN (R13-4) - Body ground G - Body ground Power window motor DOWN input Ignition switch ON, rear LH regulator switch OFF --> DOWN 0 V --> 10 to 14 V
    UP (R13-5) - Body ground R - Body ground Power window motor UP input Ignition switch ON, rear LH regulator switch OFF --> UP 0 V --> 10 to 14 V
    PCTO (R12-11) - Body ground W-G - Body ground Power window lock switch input Ignition switch ON, window lock switch UNLOCK --> LOCK 10 to 14 V --> 0 V

    If the result is not as specified, the rear door LH ECU may have a malfunction.

  4. CHECK REAR DOOR RH ECU 
    Fig 4: Identifying Rear Door RH ECU Connector Terminals
    G03000737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R14 and R15 ECU connectors.
    2. Measure the voltage and resistance of the wire harness side connectors.

      Standard 

      R14 AND R15 ECU CONNECTORS VOLTAGE AND RESISTANCE SPECIFICATIONS

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      GND (R14-6) - Body ground W-B - Body ground Ground Always Below 1 Ω
      CPUB (R14-1) - Body ground V-Y - Body ground +B power supply Always 10 to 14 V
      PCTI (R14-24) - Body ground Y-B - Body ground Power window lock switch output Ignition switch ON, window lock switch LOCK --> UNLOCK Below 1 Ω --> 10 kΩ or higher
      PLS (R14-17) - SGND (R14-14) Y-R - BR-B Power window pulse sensor input Power window operating Pulse generation
      SGND (R14-14) - Body ground BR-B - Body ground Ground Always Below 1 Ω
      SIG (R14-26) - Body ground R-L - Body ground Ignition power supply Ignition switch OFF --> ON 0 V --> 10 to 14 V
      BDR (R14-2) - Body ground R-W - Body ground +B power supply Always 10 to 14 V
      DN (R14-4) - UP (R14-5) G - R Power window motor UP input Power window motor DOWN input Always Below 1 Ω
      PCTO (R15-11) - Body ground W-G - Body ground Power window lock switch input Ignition switch ON, window lock switch LOCK --> UNLOCK Below 1 Ω --> 10 kΩ or higher
      LMT (R14-16) - SGND (R14-14) B-W - BR-B Power window limit switch input Power window fully closed 10 kΩ or higher
      LMT (R14-16) - SGND (R14-14) B-W - BR-B Power window limit switch input Power window fully opened Below 1 Ω
      CTY (R14-7) - Body ground L - Body ground Rear RH courtesy switch input Rear door RH CLOSED --> OPEN 10 kΩ or higher --> Below 1 Ω
      AUTO (R15-10) - Body ground W-G - Body ground Rear RH power window AUTO UP/DOWN input Rear RH regulator switch UP --> AUTO UP or DOWN --> AUTO DOWN 10 kΩ or higher --> Below 1 Ω
      MUP (R15-29) - Body ground GR-G - Body ground Rear RH power window UP input Rear RH regulator switch OFF --> UP 10 kΩ or higher --> Below 1 Ω
      MDN (R15-21) - Body ground L-W - Body ground Rear RH power window DOWN input Rear RH regulator switch OFF --> DOWN 10 kΩ or higher --> Below 1 Ω
      PWE (R15-19) - Body ground BR-R - Body ground Power window regulator switch ground Always Below 1 Ω
      SEL1 (R14-15)(1) - Body ground W-B - Body ground Select Always Below 1 Ω
      (1) Terminal SEL1 is used for distinction between the rear door ECU LH and RH. Only terminal SEL1 of the rear door ECU RH is grounded.

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

    3. Reconnect the R14 and R15 ECU connectors.
    4. Measure the voltage of the connector.

    Standard 

    R14 AND R15 ECU CONNECTORS VOLTAGE SPECIFICATIONS

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    DN (R14-4) - Body ground G - Body ground Power window motor DOWN input Ignition switch ON, rear RH regulator switch OFF --> DOWN 0 V --> 10 to 14 V
    UP (R14-5) - Body ground R - Body ground Power window motor UP input Ignition switch ON, rear RH regulator switch OFF --> UP 0 V --> 10 to 14 V
    PCTO (R15-11) - Body ground W-G - Body ground Power window lock switch input Ignition switch ON, window lock switch UNLOCK --> LOCK 10 to 14 V --> 0 V

    If the result is not as specified, the rear door RH ECU may have a malfunction.

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