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Terminals Of Ecu

  1. CHECK MULTIPLEX NETWORK DOOR ECU FRONT LH (DRIVER DOOR ECU) 
    Fig 1: Checking Multiplex Network Door ECU Front LH (Driver Door ECU)
    G02956604Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the D17 and D19 ECU connectors.
    2. Measure the voltage and resistance of the wire harness side connectors.

      Standard: 

      MULTIPLEX NETWORK DOOR ECU FRONT LH (DRIVER DOOR ECU) (VOLTAGE AND RESISTANCE)

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      GND (D19-1) - Body ground W-B - Body ground Ground Always Below 1 ohms
      CPUB (D19-4) - Body ground L-O - Body ground +B power supply Always 10 to 14 V
      SIG (D19-5) - Body ground V-W - Body ground Ignition power supply Ignition switch ON 10 to 14 V
      BDR (D19-6) - Body ground B-R - Body ground +B power supply Always 10 to 14 V
      CTY (D17-27) - Body ground R-W - Body ground Driver side courtesy switch input Driver side door CLOSED 10 k ohms or higher
      CTY (D17-27) - Body ground R-W - Body ground Driver side courtesy switch input Driver side door OPEN Below 1 ohms
      PWE (D17-29) - Body ground Y - Body ground Power window master switch ground Always Below 1 ohms
      PWS (D17-21) - Body ground V-W - Body ground Power window master switch supply Ignition switch ON or key off operation 10 to 14 V
      MUP (D17-23) - Body ground P-L - Body ground Driver side power window MANUAL UP input Driver side power window switch OFF 10 k ohms or higher
      MUP (D17-23) - Body ground P-L - Body ground Driver side power window MANUAL UP input Driver side power window switch UP Below 1 ohms
      MDN (D17-25) - Body ground V - Body ground Driver side power window MANUAL DOWN input Driver side power window switch OFF 10 k ohms or higher
      MDN (D17-25) - Body ground V - Body ground Driver side power window MANUAL DOWN input Driver side power window switch DOWN Below 1 ohms
      AUTO (D17-2) - Body ground W-G - Body ground Driver side power window AUTO UP/DOWN input Driver side power window switch UP or DOWN 10 k ohms or higher
      AUTO (D17-2) - Body ground W-G - Body ground Driver side power window AUTO UP/DOWN input Driver side power window switch AUTO UP or AUTO DOWN Below 1 ohms
      SGND (D19-11) - Body ground BR - Body ground Ground Always Below 1 ohms
      LMT (D19-10) - SGND (D19-11) B-W - BR Power window limit switch input Power window fully closed 10 k ohms or higher
      LMT (D19-10) - SGND (D19-11) B-W - BR Power window limit switch input Power window fully opened Below 1 ohms
      PLS (D19-21) - SGND (D19-11) W - BR Power window pulse sensor input Power window operating Pulse generation
      WLS1 (D17-20) - Body ground Y-B - Body ground Power window lock switch output Ignition switch ON, window lock switch LOCK Below 1 ohms
      WLS1 (D17-20) - Body ground Y-B - Body ground Power window lock switch output Ignition switch ON, window lock switch UNLOCK 10 k ohms or higher
      WLSW (D17-9) - Body ground R - Body ground Power window lock switch input Ignition switch ON, window lock switch LOCK Below 1 ohms
      WLSW (D17-9) - Body ground R - Body ground Power window lock switch input Ignition switch ON, window lock switch UNLOCK 10 k ohms or higher
      DT1 (D17-5) - SC1 (D17-16) G-R - L-R Passenger door window remote UP input Passenger side power window using power window master switch OFF 10 k ohms or higher
      DT1 (D17-5) - SC1 (D17-16) G-R - L-R Passenger door window remote UP input Passenger side power window using power window master switch DOWN Below 1 ohms
      DT1 (D17-5) - SC2 (D17-15) G-R - Y-R Passenger door window remote DOWN input Passenger side power window using power window master switch OFF 10 k ohms or higher
      DT1 (D17-5) - SC2 (D17-15) G-R - Y-R Passenger door window remote DOWN input Passenger side power window using power window master switch UP Below 1 ohms
      DT1 (D17-5) - SC3 (D17-14) G-R - L Passenger door window remote AUTO UP/DOWN input Passenger side power window using power window master switch UP or DOWN 10 k ohms or higher
      DT1 (D17-5) - SC3 (D17-14) G-R - L Passenger door window remote AUTO UP/DOWN input Passenger side power window using power window master switch AUTO UP or AUTO DOWN Below 1 ohms

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

    3. Reconnect the D17 and D19 ECU connectors.
    4. Check the voltage of the connector.

      Standard: 

      MULTIPLEX NETWORK DOOR ECU FRONT LH (DRIVER DOOR ECU) (VOLTAGE)

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      DN (D19-2) - Body ground G - Body ground Driver door power window motor DOWN input Ignition switch ON, driver side window switch OFF 0 V
      DN (D19-2) - Body ground G - Body ground Driver door power window motor DOWN input Ignition switch ON, driver side window switch DOWN 10 to 14 V
      UP (D19-3) - Body ground L - Body ground Driver door power window motor UP input Ignition switch ON, driver side window switch OFF 0 V
      UP (D19-3) - Body ground L - Body ground Driver door power window motor UP input Ignition switch ON, driver side window switch UP 10 to 14 V

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

  2. CHECK MULTIPLEX NETWORK BODY ECU FRONT RH (PASSENGER DOOR ECU) 
    Fig 2: Checking Multiplex Network Body ECU Front RH (Passenger Door ECU)
    G02956605Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the P9 and P11 ECU connectors.
    2. Measure the voltage and resistance of the wire harness side connectors.

      Standard: 

      MULTIPLEX NETWORK BODY ECU FRONT RH (PASSENGER DOOR ECU) (VOLTAGE AND RESISTANCE)

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      GND (P11-1) - Body ground W-B - Body ground Ground Always Below 1 ohms
      CPUB (P11-4) - Body ground L-O - Body ground +B power supply Always 10 to 14 V
      SIG (P11-5) - Body ground V-W - Body ground Ignition power supply Ignition switch ON 10 to 14 V
      BDR (P11-6) - Body ground G-Y - Body ground +B power supply Always 10 to 14 V
      CTY (P9-27) - Body ground R-W - Body ground Passenger side courtesy switch input Passenger side door CLOSED 10 k ohms or higher
      CTY (P9-27) - Body ground R-W - Body ground Passenger side courtesy switch input Passenger side door OPEN Below 1 ohms
      PWE (P9-29) - Body ground Y - Body ground Power window regulator switch ground Always Below 1 ohms
      PLS (P9-21) - SGND (P11-11) W - BR Power window pulse sensor input Power window operating Pulse generation
      MUP (P9-23) - Body ground B-W - Body ground Passenger side power window MANUAL UP input Passenger side regulator switch OFF 10 k ohms or higher
      MUP (P9-23) - Body ground B-W - Body ground Passenger side power window MANUAL UP input Passenger side regulator switch UP Below 1 ohms
      MDN (P9-25) - Body ground V - Body ground Passenger side power window MANUAL DOWN input Passenger side regulator switch OFF 10 k ohms or higher
      MDN (P9-25) - Body ground V - Body ground Passenger side power window MANUAL DOWN input Passenger side regulator switch DOWN Below 1 ohms
      AUTO (P9-2) - Body ground W-G - Body ground Passenger side power window AUTO UP/DOWN input Passenger side regulator switch UP or DOWN 10 k ohms or higher
      AUTO (P9-2) - Body ground W-G - Body ground Passenger side power window AUTO UP/DOWN input Passenger side regulator switch AUTO UP or AUTO DOWN Below 1 ohms
      SGND (P11-11) - Body ground BR - Body ground Ground Always Below 1 ohms
      LMT (P11-10) - SGND (P11-11) B-W - BR Power window limit switch input Power window fully closed 10 k ohms or higher
      LMT (P11-10) - SGND (P11-11) B-W - BR Power window limit switch input Power window fully opened Below 1 ohms
      WLS1 (P9-20) - Body ground L-R - Body ground Power window lock switch output Ignition switch ON, window lock switch LOCK Below 1 ohms
      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      WLS1 (P9-20) - Body ground L-R - Body ground Power window lock switch output Ignition switch ON, window lock switch UNLOCK 10 k ohms or higher
      WLSW (P9-9) - Body ground Y-B - Body ground Power window lock switch input Ignition switch ON, window lock switch LOCK Below 1 ohms
      WLSW (P9-9) - Body ground Y-B - Body ground Power window lock switch input Ignition switch ON, window lock switch UNLOCK 10 k ohms or higher

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

    3. Reconnect the P9 and P11 ECU connectors.
    4. Measure the voltage of the connector.

      Standard: 

      MULTIPLEX NETWORK BODY ECU FRONT RH (PASSENGER DOOR ECU) (VOLTAGE)

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      DN (P11-2) - Body ground G - Body ground Passenger door power window motor DOWN input Ignition switch ON, passenger side regulator switch OFF 0 V
      DN (P11-2) - Body ground G - Body ground Passenger door power window motor DOWN input Ignition switch ON, passenger side regulator switch DOWN 10 to 14 V
      UP (P11-3) - Body ground L - Body ground Passenger door power window motor UP input Ignition switch ON, passenger side regulator switch OFF 0 V
      UP (P11-3) - Body ground L - Body ground Passenger door power window motor UP input Ignition switch ON, passenger side regulator switch UP 10 to 14 V

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

  3. CHECK THEFT WARNING ECU ASSY 
    Fig 3: Checking Theft Warning ECU Assy
    G02956606Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the T7 ECU connector.
    2. Measure the voltage and resistance of the wire harness side connector.

      Standard: 

      THEFT WARNING ECU ASSY

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      IG (T7-24) - Body ground V-W - Body ground Ignition power supply Ignition switch ON 10 to 14 V
      +B (T7-1) - Body ground L-O - Body ground +B power supply Always 10 to 14 V
      +B2 (T7-21) - Body ground B-O - Body ground +B2 power supply Always 10 to 14 V
      GND (T7-20) - Body ground W-B - Body ground Ground Always Below 1 ohms

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

  4. CHECK TRANSPONDER KEY ECU ASSY 
    Fig 4: Checking Transponder Key ECU Assy
    G02956607Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the T13 ECU connector.
    2. Measure the voltage and resistance of the wire harness side connector.

      Standard: 

      TRANSPONDER KEY ECU ASSY (VOLTAGE AND RESISTANCE)

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      AGND (T13-13) - Body ground V - Body ground Ground Always Below 1 ohms
      CPUB (T13-1) - GND (T13-14) L-O - W-B Battery Always 10 to 14 V
      IG2 (T13-2) - AGND (T13-13) G-B - V Ignition switch Ignition switch ON 10 to 14 V
      KSW (T13-3) - AGND (T13-13) LG-B - V Unlock warning switch No key in ignition key cylinder 10 k ohms or higher
      KSW (T13-3) - AGND (T13-13) LG-B - V Unlock warning switch Key inserted Below 1 ohms

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

    3. Reconnect the T13 ECU connector.
    4. Measure the voltage of the connector.

      Standard: 

      TRANSPONDER KEY ECU ASSY (VOLTAGE)

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
      VC12 (T13-9) - AGND (T13-13) Y - V Power source Ignition switch ON 4.6 to 5.4 V

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

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