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Terminals Of Ecu

  1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    Fig 1: Multiplex Network Master Switch Assembly Connector Terminal Identification
    GTY272699Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K3 multiplex network master switch connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K3-11 (B) - K3-12 (GND) L - W-B Power supply Always 11 to 14 V
      K3-12 (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 side.

    3. Reconnect the K3 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
      K3-15 (DOWN) - K3-12 (GND) B - W-B Power window motor down input Engine switch on (IG), driver side power window regulator switch off 11 to 14 V
      K3-15 (DOWN) - K3-12 (GND) B - W-B Power window motor down input Engine switch on (IG), driver side power window switch down (Manual operation) Below 1 V
      K3-18 (LED) - K3-12 (GND) V - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      K3-18 (LED) - K3-12 (GND) V - W-B LED illumination signal Approximately 43 seconds after Engine switch turned off Below 1 V
      K3-20 (UP) - K3-12 (GND) P - W-B Power window motor up input Engine switch on (IG), driver side power window switch off 11 to 14 V
      K3-20 (UP) - K3-12 (GND) P - W-B Power window motor up input Engine switch on (IG), driver side power window switch up (Manual operation) Below 1 V

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

  2. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    Fig 2: Power Window Regulator Switch Assembly RH Connector Terminal Identification
    GTY267209Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J1 power window regulator switch connector.
    2. Measure the resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J1-5 (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 side.

    3. Reconnect the J1 power window regulator 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
      J1-2 (UP) - J1-5 (GND) L - W-B Power window motor up input Engine switch on (IG), power window regulator switch off 11 to 14 V
      J1-2 (UP) - J1-5 (GND) L - W-B Power window motor up input Engine switch on (IG), power window regulator switch up Below 1 V
      J1-4 (AUTO) - J1-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully open 11 to 14 V
      J1-4 (AUTO) - J1-5 (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
      J1-4 (AUTO) - J1-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully closed 11 to 14 V
      J1-8 (LED) - J1-5 (GND) V - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      J1-8 (LED) - J1-5 (GND) V - W-B LED illumination signal Approximately 43 seconds after the Engine switch is turned off Below 1 V
      J1-10 (DOWN) - J1-5 (GND) B - W-B Power window motor down input Engine switch on (IG), power window regulator switch off 11 to 14 V
      J1-10 (DOWN) - J1-5 (GND) B - W-B Power window motor down input Engine switch on (IG), power window regulator switch down Below 1 V

      If the result is not as specified, the power window regulator switch may have a malfunction.

  3. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 
    Fig 3: Rear Power Window Regulator Switch Assembly LH Connector Terminal Identification
    GTY267213Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the M2 rear power window regulator switch connector.
    2. Measure the resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      M2-5 (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 side.

    3. Reconnect the M2 rear power window regulator 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
      M2-2 (UP) - M2-5 (GND) L - W-B Power window motor up input Engine switch on (IG), power window regulator switch off 11 to 14 V
      M2-2 (UP) - M2-5 (GND) L - W-B Power window motor up input Engine switch on (IG), power window regulator switch up Below 1 V
      M2-4 (AUTO) - M2-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully open 11 to 14 V
      M2-4 (AUTO) - M2-5 (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
      M2-4 (AUTO) - M2-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully closed 11 to 14 V
      M2-8 (LED) - M2-5 (GND) V - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      M2-8 (LED) - M2-5 (GND) V - W-B LED illumination signal Approximately 43 seconds after the Engine switch is turned off Below 1 V
      M2-10 (DOWN) - M2-5 (GND) B - W-B Power window motor down input Engine switch on (IG), power window regulator switch off 11 to 14 V
      M2-10 (DOWN) - M2-5 (GND) B - W-B Power window motor down input Engine switch on (IG), power window regulator switch down Below 1 V

      If the result is not as specified, the power window regulator switch may have a malfunction.

  4. CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    Fig 4: Rear Power Window Regulator Switch Assembly RH Connector Terminal Identification
    GTY267214Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L2 rear power window regulator switch connector.
    2. Measure the resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L2-5 (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 side.

    3. Reconnect the L2 rear power window regulator 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
      L2-2 (UP) - L2-5 (GND) L - W-B Power window motor up input Engine switch on (IG), power window regulator switch off 11 to 14 V
      L2-2 (UP) - L2-5 (GND) L - W-B Power window motor up input Engine switch on (IG), power window regulator switch up Below 1 V
      L2-4 (AUTO) - L2-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully open 11 to 14 V
      L2-4 (AUTO) - L2-5 (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
      L2-4 (AUTO) - L2-5 (GND) P - W-B Power window motor auto up or down input Engine switch on (IG), door glass fully closed 11 to 14 V
      L2-8 (LED) - L2-5 (GND) V - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      L2-8 (LED) - L2-5 (GND) V - W-B LED illumination signal Approximately 43 seconds after the Engine switch is turned off Below 1 V
      L2-10 (DOWN) - L2-5 (GND) B - W-B Power window motor down input Engine switch on (IG), power window regulator switch off 11 to 14 V
      L2-10 (DOWN) - L2-5 (GND) B - W-B Power window motor down input Engine switch on (IG), power window regulator switch down Below 1 V

      If the result is not as specified, the rear power window regulator switch may have a malfunction.

  5. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    Fig 5: Identifying K6 Power Window Regulator Motor Connector Terminals
    GTY264350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K6 power window regulator motor connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K6-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      K6-2 (B) - Body ground R - Body ground Battery power supply Always 11 to 14 V

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

    3. Reconnect the K6 power window regulator motor connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K6-5 (LED) - K6-1 (GND) V - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      K6-5 (LED) - K6-1 (GND) V - W-B LED illumination signal Approximately 43 seconds after Engine switch turned off Below 1 V
      K6-7 (DOWN) - K6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), power window regulator master switch off 11 to 14 V
      K6-7 (DOWN) - K6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), power window regulator master switch down Below 1 V
      K6-7 (DOWN) - K6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), door glass fully closed 11 to 14 V
      K6-7 (DOWN) - K6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), power window auto down function operating Below 1 V
      K6-7 (DOWN) - K6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), door glass fully open 11 to 14 V
      K6-10 (UP) - K6-1 (GND) P - W-B Power window motor up output Engine switch on (IG), power window regulator master switch off 11 to 14 V
      K6-10 (UP) - K6-1 (GND) P - W-B Power window motor up output Engine switch on (IG), power window regulator master switch up Below 1 V
      K6-10 (UP) - K6-1 (GND) P - W-B Power window motor up output Engine switch on (IG), door glass fully open 11 to 14 V
      K6-10 (UP) - K6-1 (GND) P - W-B Power window motor up output Engine switch on (IG), power window auto up function operating Below 1 V
      K6-10 (UP) - K6-1 (GND) P - W-B Power window motor up output Engine switch on (IG), door glass fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor may have a malfunction.

  6. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    Fig 6: Identifying J6 Power Window Regulator Motor Connector Terminals
    GTY264352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J6 power window regulator motor connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J6-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J6-2 (B) - Body ground G - Body ground Battery power supply Always 11 to 14 V

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

    3. Reconnect the J6 power window regulator motor connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J6-5 (LED) - J6-1 (GND) V - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      J6-5 (LED) - J6-1 (GND) V - W-B LED illumination signal Approximately 43 seconds after Engine switch turned off Below 1 V
      J6-7 (DOWN) - J6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), power window regulator switch off 11 to 14 V
      J6-7 (DOWN) - J6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), power window regulator switch down Below 1 V
      J6-7 (DOWN) - J6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), door glass fully closed 11 to 14 V
      J6-7 (DOWN) - J6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), power window auto down function operating Below 1 V
      J6-7 (DOWN) - J6-1 (GND) B - W-B Power window motor down output Engine switch on (IG), door glass fully open 11 to 14 V
      J6-10 (UP) - J6-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window regulator switch off 11 to 14 V
      J6-10 (UP) - J6-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window regulator switch up Below 1 V
      J6-10 (UP) - J6-1 (GND) L - W-B Power window motor up output Engine switch on (IG), door glass fully open 11 to 14 V
      J6-10 (UP) - J6-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window auto up function operating Below 1 V
      J6-10 (UP) - J6-1 (GND) L - W-B Power window motor up output Engine switch on (IG), door glass fully closed 11 to 14 V

      If the result is not as specified, the power window regulator motor may have a malfunction.

  7. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    Fig 7: Rear Power Window Regulator Motor Assembly LH Connector Terminal Identification
    GTY264367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the M4 rear power window regulator motor connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      M4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      M4-2 (B) - Body ground W - Body ground Battery power supply Always 11 to 14 V

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

    3. Reconnect the M4 rear power window regulator motor connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      M4-5 (LED) - M4-1 (GND) V - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      M4-5 (LED) - M4-1 (GND) V - W-B LED illumination signal Approximately 43 seconds after Engine switch turned off Below 1 V
      M4-7 (DOWN) - M4-1 (GND) B - W-B Power window motor down input Engine switch on (IG), power window regulator switch off 11 to 14 V
      M4-7 (DOWN) - M4-1 (GND) B - W-B Power window motor down input Engine switch on (IG), power window regulator switch down Below 1 V
      M4-7 (DOWN) - M4-1 (GND) B - W-B Power window motor down input Engine switch on (IG), door glass fully closed 11 to 14 V
      M4-7 (DOWN) - M4-1 (GND) B - W-B Power window motor down input Engine switch on (IG), power window auto down function operating Below 1 V
      M4-7 (DOWN) - M4-1 (GND) B - W-B Power window motor down input Engine switch on (IG), door glass fully open 11 to 14 V
      M4-10 (UP) - M4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window regulator switch off 11 to 14 V
      M4-10 (UP) - M4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window regulator switch up Below 1 V
      M4-10 (UP) - M4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), door glass fully open 11 to 14 V
      M4-10 (UP) - M4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window auto up function operating Below 1 V
      M4-10 (UP) - M4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), door glass fully closed 11 to 14 V

      If the result is not as specified, the rear power window regulator motor may have a malfunction.

  8. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    Fig 8: Rear Power Window Regulator Motor Assembly RH Connector Terminal Identification
    GTY264366Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L4 rear window regulator motor connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      HINT: 

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L4-2 (B) - Body ground W - Body ground Battery power supply Always 11 to 14 V

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

    3. Reconnect the L4 rear power window regulator motor connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      L4-5 (LED) - L4-1 (GND) V - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      L4-5 (LED) - L4-1 (GND) V - W-B LED illumination signal Approximately 43 seconds after Engine switch turned off Below 1 V
      L4-7 (DOWN) - L4-1 (GND) B - W-B Power window motor down output Engine switch on (IG), power window regulator switch off 11 to 14 V
      L4-7 (DOWN) - L4-1 (GND) B - W-B Power window motor down output Engine switch on (IG), power window regulator switch down Below 1 V
      L4-7 (DOWN) - L4-1 (GND) B - W-B Power window motor down output Engine switch on (IG), door glass fully closed 11 to 14 V
      L4-7 (DOWN) - L4-1 (GND) B - W-B Power window motor down output Engine switch on (IG), power window auto down function operating Below 1 V
      L4-7 (DOWN) - L4-1 (GND) B - W-B Power window motor down output Engine switch on (IG), door glass fully open 11 to 14 V
      L4-10 (UP) - L4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window regulator switch off 11 to 14 V
      L4-10 (UP) - L4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window regulator switch up Below 1 V
      L4-10 (UP) - L4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), door glass fully open 11 to 14 V
      L4-10 (UP) - L4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), power window auto up function operating Below 1 V
      L4-10 (UP) - L4-1 (GND) L - W-B Power window motor up output Engine switch on (IG), door glass fully closed 11 to 14 V

      If the result is not as specified, the rear power window regulator motor may have a malfunction.

  9. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    Fig 9: Multiplex Network Body ECUConnector Terminal Identification
    GTY285219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the main body ECU (multiplex network body ECU). Refer to REMOVAL .
    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
      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
      G46-3 (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 side.

    3. Install the main body ECU (multiplex network body ECU). Refer to REMOVAL .
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      2H-27 (FLCY) - Body ground R - Body ground Front door LH courtesy switch input Front door LH open Below 1 V
      2H-27 (FLCY) - Body ground R - Body ground Front door LH courtesy switch input Front door LH closed 11 to 14 V
      2D-15 (FRCY) - Body ground B - Body ground Front door RH courtesy switch input Front door RH open Below 1 V
      2D-15 (FRCY) - Body ground B - Body ground Front door RH courtesy switch input Front door RH closed 11 to 14 V

      If the result is not as specified, the main body ECU (multiplex network body ECU) or driver side junction block assembly may have a malfunction.

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