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Terminals Of Ecu [09/2014 - ]

  1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    GTY525195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the Q25 multiplex network master switch connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q25-11 (B) - Q25-12 (GND) P - W-B Battery power supply Engine switch off 11 to 14 V
      Q25-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the Q25 multiplex network master switch connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q25-15 (DOWN) - Q25-12 (GND) R - W-B Power window motor down input Engine switch on (IG), multiplex network master switch off 11 to 14 V
      Q25-15 (DOWN) - Q25-12 (GND) R - W-B Power window motor down input Engine switch on (IG), multiplex network master switch down (Manual operation) Below 1 V
      Q25-18 (LED) - Q25-12 (GND) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      Q25-18 (LED) - Q25-12 (GND) L - W-B LED illumination signal Engine switch off Below 1 V
      Q25-20 (UP) - Q25-12 (GND) LG - W-B Power window motor up input Engine switch on (IG), multiplex network master switch off 11 to 14 V
      Q25-20 (UP) - Q25-12 (GND) LG - W-B Power window motor up input Engine switch on (IG), multiplex network master switch up (Manual operation) Below 1 V
      Q25-17 (LIN1) - Q25-12 (GND) Y - W-B LIN communication signal Engine switch on (IG) Pulse generation
  2. CHECK FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    GTY523830Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the Q9 front power window regulator switch RH connector.
    2. Measure the resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q9-5 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the Q9 front power window regulator switch RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q9-2 (UP) - Q9-5 (GND) LG - W-B Power window motor up input Engine switch on (IG), power window regulator switch off 11 to 14 V
      Q9-2 (UP) - Q9-5 (GND) LG - W-B Power window motor up input Engine switch on (IG), power window regulator switch up Below 1 V
      Q9-4 (AUTO) - Q9-5 (GND) B - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully open 11 to 14 V
      Q9-4 (AUTO) - Q9-5 (GND) B - W-B Power window motor auto up or down input Engine switch on (IG), power window auto up or down function operating Below 1 V
      Q9-4 (AUTO) - Q9-5 (GND) B - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully closed 11 to 14 V
      Q9-8 (LED) - Q9-5 (GND) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      Q9-8 (LED) - Q9-5 (GND) L - W-B LED illumination signal Engine switch off Below 1 V
      Q9-10 (DOWN) - Q9-5 (GND) R - W-B Power window motor down input Engine switch on (IG), power window regulator switch off 11 to 14 V
      Q9-10 (DOWN) - Q9-5 (GND) R - W-B Power window motor down input Engine switch on (IG), power window regulator switch down Below 1 V
  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 
    GTY536183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R14 rear power window regulator switch LH connector.
    2. Measure the resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R14-5 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the R14 rear power window regulator switch LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R14-2 (UP) - R14-5 (GND) W - W-B Power window motor up input Engine switch on (IG), power window regulator switch off 11 to 14 V
      R14-2 (UP) - R14-5 (GND) W - W-B Power window motor up input Engine switch on (IG), power window regulator switch up Below 1 V
      R14-4 (AUTO) - R14-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully open 11 to 14 V
      R14-4 (AUTO) - R14-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), power window auto up or down function operating Below 1 V
      R14-4 (AUTO) - R14-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully closed 11 to 14 V
      R14-8 (LED) - R14-5 (GND) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      R14-8 (LED) - R14-5 (GND) L - W-B LED illumination signal Engine switch off Below 1 V
      R14-10 (DOWN) - R14-5 (GND) R - W-B Power window motor down input Engine switch on (IG), power window regulator switch off 11 to 14 V
      R14-10 (DOWN) - R14-5 (GND) R - W-B Power window motor down input Engine switch on (IG), power window regulator switch down Below 1 V
  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    GTY531970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R6 rear power window regulator switch RH connector.
    2. Measure the resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R6-5 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the R6 rear power window regulator switch RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R6-2 (UP) - R6-5 (GND) W - W-B Power window motor up input Engine switch on (IG), power window regulator switch off 11 to 14 V
      R6-2 (UP) - R6-5 (GND) W - W-B Power window motor up input Engine switch on (IG), power window regulator switch up Below 1 V
      R6-4 (AUTO) - R6-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully open 11 to 14 V
      R6-4 (AUTO) - R6-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), power window auto up or down function operating Below 1 V
      R6-4 (AUTO) - R6-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully closed 11 to 14 V
      R6-8 (LED) - R6-5 (GND) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      R6-8 (LED) - R6-5 (GND) L - W-B LED illumination signal Engine switch off Below 1 V
      R6-10 (DOWN) - R6-5 (GND) R - W-B Power window motor down input Engine switch on (IG), power window regulator switch off 11 to 14 V
      R6-10 (DOWN) - R6-5 (GND) R - W-B Power window motor down input Engine switch on (IG), power window regulator switch down Below 1 V
  5. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    GTY527140Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the Q17 front power window regulator motor LH connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q17-1 (E) - Body ground BR - Body ground Ground Always Below 1 Ω
      Q17-2 (B) - Q17-1 (E) R - BR Battery power supply Always 11 to 14 V

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

    3. Reconnect the Q17 front power window regulator motor LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q17-5 (LED) - Q17-1 (E) L - BR LED illumination signal Engine switch on (IG) 11 to 14 V
      Q17-5 (LED) - Q17-1 (E) L - BR LED illumination signal Engine switch off Below 1 V
      Q17-7 (DWN1) - Q17-1 (E) R - BR Power window motor down output Engine switch on (IG), power window regulator switch off 11 to 14 V
      Q17-7 (DWN1) - Q17-1 (E) R - BR Power window motor down output Engine switch on (IG), power window regulator switch down Below 1 V
      Q17-7 (DWN1) - Q17-1 (E) R - BR Power window motor down output Engine switch on (IG), door glass fully closed 11 to 14 V
      Q17-7 (DWN1) - Q17-1 (E) R - BR Power window motor down output Engine switch on (IG), power window manual down function operating Below 1 V
      Q17-7 (DWN1) - Q17-1 (E) R - BR Power window motor down output Engine switch on (IG), door glass fully open 11 to 14 V
      Q17-10 (UP1) - Q17-1 (E) LG - BR Power window motor up output Engine switch on (IG), power window regulator switch off 11 to 14 V
      Q17-10 (UP1) - Q17-1 (E) LG - BR Power window motor up output Engine switch on (IG), power window regulator switch up Below 1 V
      Q17-10 (UP1) - Q17-1 (E) LG - BR Power window motor up output Engine switch on (IG), door glass fully open 11 to 14 V
      Q17-10 (UP1) - Q17-1 (E) LG - BR Power window motor up output Engine switch on (IG), power window manual up function operating Below 1 V
      Q17-10 (UP1) - Q17-1 (E) LG - BR Power window motor up output Engine switch on (IG), door glass fully closed 11 to 14 V
      Q17-9 (LIN) - Q17-1 (E) GR - BR LIN communication signal Engine switch on (IG) Pulse generation
  6. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    GTY538208Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the Q2 front power window regulator motor RH connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q2-1 (E) - Body ground BR - Body ground Ground Always Below 1 Ω
      Q2-2 (B) - Q2-1 (E) R - BR Battery power supply Always 11 to 14 V

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

    3. Reconnect the Q2 front power window regulator motor RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q2-5 (LED) - Q2-1 (E) L - BR LED illumination signal Engine switch on (IG) 11 to 14 V
      Q2-5 (LED) - Q2-1 (E) L - BR LED illumination signal Engine switch off Below 1 V
      Q2-7 (DWN1) - Q2-1 (E) R - BR Power window motor down output Engine switch on (IG), power window regulator switch off 11 to 14 V
      Q2-7 (DWN1) - Q2-1 (E) R - BR Power window motor down output Engine switch on (IG), power window regulator switch down Below 1 V
      Q2-7 (DWN1) - Q2-1 (E) R - BR Power window motor down output Engine switch on (IG), door glass fully closed 11 to 14 V
      Q2-7 (DWN1) - Q2-1 (E) R - BR Power window motor down output Engine switch on (IG), power window manual down function operating Below 1 V
      Q2-7 (DWN1) - Q2-1 (E) R - BR Power window motor down output Engine switch on (IG), door glass fully open 11 to 14 V
      Q2-10 (UP1) - Q2-1 (E) LG - BR Power window motor up output Engine switch on (IG), multiplex network master switch off 11 to 14 V
      Q2-10 (UP1) - Q2-1 (E) LG - BR Power window motor up output Engine switch on (IG), multiplex network master switch up Below 1 V
      Q2-10 (UP1) - Q2-1 (E) LG - BR Power window motor up output Engine switch on (IG), door glass fully open 11 to 14 V
      Q2-10 (UP1) - Q2-1 (E) LG - BR Power window motor up output Engine switch on (IG), power window manual up function operating Below 1 V
      Q2-10 (UP1) - Q2-1 (E) LG - BR Power window motor up output Engine switch on (IG), door glass fully closed 11 to 14 V
      Q2-9 (LIN) - Q2-1 (E) V - BR LIN communication signal Engine switch on (IG) Pulse generation
  7. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    GTY522110Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R9 rear power window regulator motor LH connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R9-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      R9-2 (B) - R9-1 (E) R - W-B Battery power supply Always 11 to 14 V

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

    3. Reconnect the R9 rear power window regulator motor LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R9-5 (LED) - R9-1 (E) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      R9-5 (LED) - R9-1 (E) L - W-B LED illumination signal Engine switch off Below 1 V
      R9-7 (DWN1) - R9-1 (E) R - W-B Power window motor down input Engine switch on (IG), power window regulator switch off 11 to 14 V
      R9-7 (DWN1) - R9-1 (E) R - W-B Power window motor down input Engine switch on (IG), power window regulator switch down Below 1 V
      R9-7 (DWN1) - R9-1 (E) R - W-B Power window motor down input Engine switch on (IG), door glass fully closed 11 to 14 V
      R9-7 (DWN1) - R9-1 (E) R - W-B Power window motor down input Engine switch on (IG), power window manual down function operating Below 1 V
      R9-7 (DWN1) - R9-1 (E) R - W-B Power window motor down input Engine switch on (IG), door glass fully open 11 to 14 V
      R9-10 (UP1) - R9-1 (E) W - W-B Power window motor up output Engine switch on (IG), power window regulator switch off 11 to 14 V
      R9-10 (UP1) - R9-1 (E) W - W-B Power window motor up output Engine switch on (IG), power window regulator switch up Below 1 V
      R9-10 (UP1) - R9-1 (E) W - W-B Power window motor up output Engine switch on (IG), door glass fully open 11 to 14 V
      R9-10 (UP1) - R9-1 (E) W - W-B Power window motor up output Engine switch on (IG), power window manual up function operating Below 1 V
      R9-10 (UP1) - R9-1 (E) W - W-B Power window motor up output Engine switch on (IG), door glass fully closed 11 to 14 V
      R9-9 (LIN) - R9-1 (E) L - W-B LIN communication signal Engine switch on (IG) Pulse generation
  8. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    GTY529364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R1 rear power window regulator motor RH connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R1-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      R1-2 (B) - R1-1 (E) R - W-B Battery power supply Always 11 to 14 V

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

    3. Reconnect the R1 rear power window regulator motor RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R1-5 (LED) - R1-1 (E) L - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      R1-5 (LED) - R1-1 (E) L - W-B LED illumination signal Engine switch off Below 1 V
      R1-7 (DWN1) - R1-1 (E) R - W-B Power window motor down output Engine switch on (IG), power window regulator switch off 11 to 14 V
      R1-7 (DWN1) - R1-1 (E) R - W-B Power window motor down output Engine switch on (IG), power window regulator switch down Below 1 V
      R1-7 (DWN1) - R1-1 (E) R - W-B Power window motor down output Engine switch on (IG), door glass fully closed 11 to 14 V
      R1-7 (DWN1) - R1-1 (E) R - W-B Power window motor down output Engine switch on (IG), power window manual down function operating Below 1 V
      R1-7 (DWN1) - R1-1 (E) R - W-B Power window motor down output Engine switch on (IG), door glass fully open 11 to 14 V
      R1-10 (UP1) - R1-1 (E) W - W-B Power window motor up output Engine switch on (IG), power window regulator switch off 11 to 14 V
      R1-10 (UP1) - R1-1 (E) W - W-B Power window motor up output Engine switch on (IG), power window regulator switch up Below 1 V
      R1-10 (UP1) - R1-1 (E) W - W-B Power window motor up output Engine switch on (IG), door glass fully open 11 to 14 V
      R1-10 (UP1) - R1-1 (E) W - W-B Power window motor up output Engine switch on (IG), power window manual up function operating Below 1 V
      R1-10 (UP1) - R1-1 (E) W - W-B Power window motor up output Engine switch on (IG), door glass fully closed 11 to 14 V
      R1-9 (LIN) - R1-1(E) L - W-B LIN communication signal Engine switch on (IG) Pulse generation
  9. CHECK COWL SIDE JUNCTION BLOCK LH, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    GTY528330Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TEXT IN ILLUSTRATION

    *1 Main Body ECU (Multiplex Network Body ECU) - -
    1. Remove the main body ECU (multiplex network body ECU) (Refer to REMOVAL [09/2014 - ] ).
    2. Connect the cowl side junction block LH connectors.
    3. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A-30 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      A-31 (ALTB) - Body ground - Battery power supply Always 11 to 14 V
      A-32 (IG) - Body ground - Engine switch power supply Engine switch on (IG) 11 to 14 V
      A-32 (IG) - Body ground - Engine switch power supply Engine switch off Below 1 V
      A-29 (ACC) - Body ground - ACC power supply Engine switch on (ACC) 11 to 14 V
      A-29 (ACC) - Body ground - ACC power supply Engine switch off Below 1 V
      A-11 (GND1) - Body ground - Ground Always Below 1 Ω
      N13-3 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction in the wire harness or cowl side junction block LH.

    4. Install the main body ECU (multiplex network body ECU) (Refer to INSTALLATION [09/2014 - ] ).
    5. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      5C-44 (FLCY) - Body ground R - Body ground Front door LH courtesy switch input Front door LH open Below 1 V
      5C-44 (FLCY) - Body ground R - Body ground Front door LH courtesy switch input Front door LH closed Pulse generation
      5A-33 (FRCY) - Body ground R - Body ground Front door RH courtesy switch input Front door RH open Below 1 V
      5A-33 (FRCY) - Body ground R - Body ground Front door RH courtesy switch input Front door RH closed Pulse generation
      5C-29 (LIN2) - Body ground Y - Body ground LIN communication signal Engine switch on (IG) Pulse generation
      5A-50 (LIN2) - Body ground Y - Body ground LIN communication signal Engine switch on (IG) Pulse generation
      5A-56 (LIN2) - Body ground Y - Body ground LIN communication signal Engine switch on (IG) Pulse generation
  10. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH 
    GTY529371Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the Q19 front multiplex network door ECU LH connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q19-4 (CPUB) - Q19-1 (GND) P - W-B Battery power supply Always 11 to 14 V
      Q19-6 (BDR) - Q19-1 (GND) V - W-B Battery power supply Always 11 to 14 V
      Q19-16 (BCUT) - Q19-1 (GND) W - W-B Battery power supply Always 11 to 14 V
      Q19-3 (SIG) - Q19-1 (GND) B - W-B Engine switch power supply Engine switch on (IG) 11 to 14 V
      Q19-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the Q19 front multiplex network door ECU LH connector.
    4. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q19-5 (BDRJ) - Q19-1 (GND) R - W-B Power window regulator motor power supply Always 11 to 14 V
      Q19-2 (PWE) - Body ground BR - Body ground Ground Always Below 1 V
      Q19-15 (CPBJ) - Q19-1 (GND) P - W-B Multiplex network master switch power supply Always 11 to 14 V
      Q19-9 (SGND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      Q18-8 (LIN2) - Q19-1 (GND) Y - W-B LIN communication signal Engine switch on (IG) Pulse generation
      Q18-18 (LIN1) - Q19-1 (GND) Y - W-B LIN communication signal Engine switch on (IG) Pulse generation
  11. CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH 
    GTY536003Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the Q4 front multiplex network door ECU RH connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q4-6 (BDR) - Body ground V - Body ground Battery power supply Always 11 to 14 V
      Q4-4 (CPUB) - Body ground P - Body ground Battery power supply Always 11 to 14 V
      Q4-3 (SIG) - Q4-1 (GND) B - W-B Engine switch power supply Engine switch on (IG) 11 to 14 V
      Q4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the Q4 front multiplex network door ECU RH connector.
    4. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q4-2 (PWE) - Body ground BR - Body ground Ground Always Below 1 V
      Q4-5 (BDRJ) - Body ground R - Body ground Power window regulator motor power supply Always 11 to 14 V
      Q4-9 (SGND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      Q3-9 (LIN3) - Q4-1 (GND) V - W-B LIN communication signal Engine switch on (IG) Pulse generation
      Q3-18 (LIN1) - Q4-1 (GND) Y - W-B LIN communication signal Engine switch on (IG) Pulse generation
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