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Terminals Of Ecu [10/2023 - ]

HINT: 

For the inspection terminal of LIN communication, refer to LIN communication system.

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]

  1. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    GTY1149629Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the H21 front power window regulator motor assembly LH 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) Terminal Description Condition Specified Condition
      H21-1 (GND) - Body ground Ground Always Below 1 Ω
      H21-2 (B) - Body ground Power supply Ignition switch off 11 to 14 V
    3. Reconnect the H21 front power window regulator motor assembly LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      H21-7 (DOWN) - H21-1 (GND) Power window motor DOWN input Ignition switch ON, multiplex network master switch assembly not pushed or not pulled 11 to 14 V
      Ignition switch ON, driver door power window moving, multiplex network master switch assembly pushed halfway down (Manual operation) Below 1 V
      Ignition switch ON, power window fully closed 11 to 14 V
      Ignition switch ON, driver door power window moving, multiplex network master switch assembly fully pushed down (Auto operation) Below 1 V
      Ignition switch ON, power window fully open 11 to 14 V
      H21-10 (UP) - H21-1 (GND) Power window motor UP input Ignition switch ON, multiplex network master switch assembly not pushed or not pulled 11 to 14 V
      Ignition switch ON, driver door power window moving, multiplex network master switch assembly pulled halfway up (Manual operation) Below 1 V
      Ignition switch ON, multiplex network master switch assembly fully open 11 to 14 V
      Ignition switch ON, driver door power window moving, multiplex network master switch assembly fully pulled up (Auto operation) Below 1 V
      Ignition switch ON, power window fully closed 11 to 14 V
  2. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    GTY1149632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the H2 front power window regulator motor assembly RH 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) Terminal Description Condition Specified Condition
      H2-1 (GND) - Body ground Ground Always Below 1 Ω
      H2-2 (B) - Body ground Power supply Ignition switch off 11 to 14 V
    3. Reconnect the H2 front power window regulator motor assembly RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      H2-4 (AUTO) - H2-1 (GND) Power window motor AUTO UP input Ignition switch ON, front passenger door power window fully open 11 to 14 V
      Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      Power window motor AUTO DOWN input Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      Ignition switch ON, front passenger door power window fully open 11 to 14 V
      H2-7 (DOWN) - H2-1 (GND) Power window motor DOWN input Ignition switch ON, power window regulator switch assembly not pushed or not pulled 11 to 14 V
      Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      Ignition switch ON, front passenger door power window fully closed 11 to 14 V
      Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      Ignition switch ON, front passenger door power window fully open 11 to 14 V
      H2-10 (UP) - H2-1 (GND) Power window motor UP input Ignition switch ON, power window regulator switch assembly not pushed or not pulled 11 to 14 V
      Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      Ignition switch ON, front passenger door power window fully open 11 to 14 V
      Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      Ignition switch ON, front passenger door power window fully closed 11 to 14 V
  3. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    GTY1140824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K15 rear power window regulator motor assembly LH 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) Terminal Description Condition Specified Condition
      K15-1 (GND) - Body ground Ground Always Below 1 Ω
      K15-2 (B) - Body ground Power supply Ignition switch off 11 to 14 V
    3. Reconnect the K15 rear power window regulator motor assembly LH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      K15-4 (AUTO) - K15-1 (GND) Power window motor AUTO UP input Ignition switch ON, rear LH door power window fully open 11 to 14 V
      Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly LH fully pulled up (Auto operation) Below 1 V
      Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      Power window motor AUTO DOWN input Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly LH fully pushed down (Auto operation) Below 1 V
      Ignition switch ON, rear LH door power window fully open 11 to 14 V
      K15-7 (DOWN) - K15-1 (GND) Power window motor DOWN input Ignition switch ON, rear power window regulator switch assembly LH not pushed or not pulled 11 to 14 V
      Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly LH pushed halfway down (Manual operation) Below 1 V
      Ignition switch ON, rear LH door power window fully closed 11 to 14 V
      Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly LH fully pushed down (Auto operation) Below 1 V
      Ignition switch ON, rear LH door power window fully open 11 to 14 V
      K15-10 (UP) - K15-1 (GND) Power window motor UP input Ignition switch ON, rear power window regulator switch assembly LH not pushed or not pulled 11 to 14 V
      Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly LH pulled halfway up (Manual operation) Below 1 V
      Ignition switch ON, rear LH door power window fully open 11 to 14 V
      Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly LH fully pulled up (Auto operation) Below 1 V
      Ignition switch ON, rear LH door power window fully closed 11 to 14 V
  4. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    GTY1149631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the K1 rear power window regulator motor assembly RH 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) Terminal Description Condition Specified Condition
      K1-1 (GND) - Body ground Ground Always Below 1 Ω
      K1-2 (B) - Body ground Power supply Ignition switch off 11 to 14 V
    3. Reconnect the K1 rear power window regulator motor assembly RH connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      K1-4 (AUTO) - K1-1 (GND) Power window motor AUTO UP input Ignition switch ON, rear RH door power window fully open 11 to 14 V
      Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly RH fully pulled up (Auto operation) Below 1 V
      Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      Power window motor AUTO DOWN input Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly RH fully pushed down (Auto operation) Below 1 V
      Ignition switch ON, rear RH door power window fully open 11 to 14 V
      K1-7 (DOWN) - K1-1 (GND) Power window motor DOWN input Ignition switch ON, rear power window regulator switch assembly RH not pushed or not pulled 11 to 14 V
      Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly RH pushed halfway down (Manual operation) Below 1 V
      Ignition switch ON, rear RH door power window fully closed 11 to 14 V
      Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly RH fully pushed down (Auto operation) Below 1 V
      Ignition switch ON, rear RH door power window fully open 11 to 14 V
      K1-10 (UP) - K1-1 (GND) Power window motor UP input Ignition switch ON, rear power window regulator switch assembly RH not pushed or not pulled 11 to 14 V
      Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly RH pulled halfway up (Manual operation) Below 1 V
      Ignition switch ON, rear RH door power window fully open 11 to 14 V
      Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly RH fully pulled up (Auto operation) Below 1 V
      Ignition switch ON, rear RH door power window fully closed 11 to 14 V
  5. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    GTY1158233Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the I5 multiplex network master switch assembly 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) Terminal Description Condition Specified Condition
      I5-11 (B) - I5-12 (GND) Power supply Ignition switch off 11 to 14 V
      I5-12 (GND) - Body ground Ground Always Below 1 Ω
    3. Reconnect the I5 multiplex network master switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      I5-15 (DOWN) - I5-12 (GND) Power window motor DOWN output Ignition switch ON, driver door power window regulator switch not pushed or not pulled 11 to 14 V
      Ignition switch ON, driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      I5-20 (UP) - I5-12 (GND) Power window motor UP output Ignition switch ON, driver door power window regulator switch not pushed or not pulled 11 to 14 V
      Ignition switch ON, driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V
  6. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH 
    GTY1153467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the H31 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) Terminal Description Condition Specified Condition
      H31-6 (BDR) - H31-1 (GND) Battery power supply Ignition switch off 11 to 14 V
      H31-1 (GND) - Body ground Ground Always Below 1 Ω
    3. Reconnect the H31 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) Terminal Description Condition Specified Condition
      H31-5 (BDRJ) - H31-1 (GND) Power window regulator motor power supply Ignition switch off 11 to 14 V
      H31-2 (PWE) - Body ground Ground Always Below 1 Ω
      H31-9 (SGND) - Body ground Ground Always Below 1 Ω
  7. CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH 
    GTY1153322Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the H12 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) Terminal Description Condition Specified Condition
      H12-6 (BDR) - H12-1 (GND) Battery power supply Ignition switch off 11 to 14 V
      H12-1 (GND) - Body ground Ground Always Below 1 Ω
    3. Reconnect the H12 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) Terminal Description Condition Specified Condition
      H12-5 (BDRJ) - H12-1 (GND) Power window regulator motor power supply Ignition switch off 11 to 14 V
      H12-2 (PWE) - Body ground Ground Always Below 1 Ω
      H12-9 (SGND) - Body ground Ground Always Below 1 Ω
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