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Terminals Of Ecu [09/2014 - ]

  1. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (w/ Seat Position Memory System) 
    GTY519444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S3 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) Wiring Color Terminal Description Condition Specified Condition
      S3-11 (B) - S3-12 (GND) LG - W-B Power supply Always 11 to 14 V
      S3-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    3. Reconnect the S3 multiplex network master switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      S3-15 (DOWN) - S3-12 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      S3-15 (DOWN) - S3-12 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      S3-18 (LED) - S3-12 (GND) GR - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      S3-18 (LED) - S3-12 (GND) GR - W-B LED illumination signal Engine switch off Below 1 V
      S3-20 (UP) - S3-12 (GND) R - W-B Power window motor UP output Engine switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      S3-20 (UP) - S3-12 (GND) R - W-B Power window motor UP output Engine switch on (IG), driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V
  2. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (w/o Seat Position Memory System) 
    GTY511339Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S10 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) Wiring Color Terminal Description Condition Specified Condition
      S10-21 (B) - S10-17 (GND) LG - W-B Power supply Always 11 to 14 V
      S10-17 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    3. Reconnect the S10 multiplex network master switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      S10-20 (DOWN) - S10-17 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      S10-20 (DOWN) - S10-17 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation) Below 1 V
      S10-19 (LED) - S10-17 (GND) GR - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      S10-19 (LED) - S10-17 (GND) GR - W-B LED illumination signal Engine switch off Below 1 V
      S10-22 (UP) - S10-17 (GND) R - W-B Power window motor UP output Engine switch on (IG), driver door power window regulator switch not pushed or pulled 11 to 14 V
      S10-22 (UP) - S10-17 (GND) R - W-B Power window motor UP output Engine switch on (IG), driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation) Below 1 V
  3. CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY 
    GTY511343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R4 power window regulator switch assembly 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
      R4-5 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    3. Reconnect the R4 power window regulator switch assembly connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R4-8 (LED) - R4-5 (GND) GR - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      R4-8 (LED) - R4-5 (GND) GR - W-B LED illumination signal Engine switch off Below 1 V
      R4-2 (UP) - R4-5 (GND) R - W-B Power window motor UP output Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      R4-2 (UP) - R4-5 (GND) R - W-B Power window motor UP output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      R4-2 (UP) - R4-5 (GND) R - W-B Power window motor UP output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      R4-2 (UP) - R4-5 (GND) R - W-B Power window motor UP output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      R4-2 (UP) - R4-5 (GND) R - W-B Power window motor UP output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      R4-10 (DOWN) - R4-5 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      R4-10 (DOWN) - R4-5 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      R4-10 (DOWN) - R4-5 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      R4-10 (DOWN) - R4-5 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      R4-10 (DOWN) - R4-5 (GND) G - W-B Power window motor DOWN output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      R4-4 (AUTO) - R4-5 (GND) B - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      R4-4 (AUTO) - R4-5 (GND) B - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      R4-4 (AUTO) - R4-5 (GND) B - W-B Power window motor AUTO UP output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      R4-4 (AUTO) - R4-5 (GND) B - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      R4-4 (AUTO) - R4-5 (GND) B - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      R4-4 (AUTO) - R4-5 (GND) B - W-B Power window motor AUTO DOWN output Engine switch on (IG), front passenger door power window fully open 11 to 14 V
  4. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR) 
    GTY518045Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S2 power window regulator motor assembly (for driver door) 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
      S2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      S2-2 (B) - Body ground G - Body ground Power supply Always 11 to 14 V
    3. Reconnect the S2 power window regulator motor assembly (for driver door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      S2-5 (LED) - S2-1 (GND) GR - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      S2-5 (LED) - S2-1 (GND) GR - W-B LED illumination signal Engine switch off Below 1 V
      S2-7 (DOWN) - S2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      S2-7 (DOWN) - S2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation) Below 1 V
      S2-7 (DOWN) - S2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), driver door power window fully closed 11 to 14 V
      S2-7 (DOWN) - S2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation) Below 1 V
      S2-7 (DOWN) - S2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), driver door power window fully open 11 to 14 V
      S2-10 (UP) - S2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled 11 to 14 V
      S2-10 (UP) - S2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation) Below 1 V
      S2-10 (UP) - S2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) fully open 11 to 14 V
      S2-10 (UP) - S2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation) Below 1 V
      S2-10 (UP) - S2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), driver door power window fully closed 11 to 14 V
  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR FRONT PASSENGER DOOR) 
    GTY499999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R2 power window regulator motor assembly (for front passenger door) 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
      R2-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      R2-2 (B) - Body ground Y - Body ground Power supply Always 11 to 14 V
    3. Reconnect the R2 power window regulator motor assembly (for front passenger door) connector.
    4. Measure the voltage according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R2-4 (AUTO) - R2-1 (GND) B - W-B Power window motor AUTO UP input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      R2-4 (AUTO) - R2-1 (GND) B - W-B Power window motor AUTO UP input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      R2-4 (AUTO) - R2-1 (GND) B - W-B Power window motor AUTO UP input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      R2-4 (AUTO) - R2-1 (GND) B - W-B Power window motor AUTO DOWN input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      R2-4 (AUTO) - R2-1 (GND) B - W-B Power window motor AUTO DOWN input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      R2-4 (AUTO) - R2-1 (GND) B - W-B Power window motor AUTO DOWN input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      R2-5 (LED) - R2-1 (GND) GR - W-B LED illumination signal Engine switch on (IG) 11 to 14 V
      R2-5 (LED) - R2-1 (GND) GR - W-B LED illumination signal Engine switch turned off Below 1 V
      R2-7 (DOWN) - R2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      R2-7 (DOWN) - R2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation) Below 1 V
      R2-7 (DOWN) - R2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
      R2-7 (DOWN) - R2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation) Below 1 V
      R2-7 (DOWN) - R2-1 (GND) G - W-B Power window motor DOWN input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      R2-10 (UP) - R2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), power window regulator switch assembly not pushed or pulled 11 to 14 V
      R2-10 (UP) - R2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation) Below 1 V
      R2-10 (UP) - R2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), front passenger door power window fully open 11 to 14 V
      R2-10 (UP) - R2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation) Below 1 V
      R2-10 (UP) - R2-1 (GND) R - W-B Power window motor UP input Engine switch on (IG), front passenger door power window fully closed 11 to 14 V
  6. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    GTY517020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Refer to REMOVAL [09/2014 - ]

    2. Reconnect the instrument panel junction block assembly connectors.
    3. 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 connectors disconnected.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      MB-11 (GND1) - Body ground - Ground Always Below 1 Ω
      MB-31 (BECU) - Body ground - Battery power supply Always 11 to 14 V
      MB-30 (ACC) - Body ground - ACC power supply Engine switch on (ACC) 11 to 14 V
      MB-30 (ACC) - Body ground - ACC power supply Engine switch off Below 1 V
      MB-32 (IG) - Body ground - IG power supply Engine switch on (IG) 11 to 14 V
      MB-32 (IG) - Body ground - IG power supply Engine switch off Below 1 V
    4. Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

      Refer to INSTALLATION [09/2014 - ]

    5. Measure the voltage and check for pulses according to the value(s) in the table below.
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      O2-6 (FLCY) - Body ground V - Body ground Front door courtesy light switch assembly (for LH) input Front door LH open Below 1 V
      O2-6 (FLCY) - Body ground V - Body ground Front door courtesy light switch assembly (for LH) input Front door LH closed 11 to 14 V
      O2-27 (FRCY) - Body ground V - Body ground Front door courtesy light switch assembly (for RH) input Front door RH open Below 1 V
      O2-27 (FRCY) - Body ground V - Body ground Front door courtesy light switch assembly (for RH) input Front door RH closed 11 to 14 V
      O2-29 (L2) - Body ground L - Body ground Driver door key-linked lock input Driver door key cylinder turned to lock Below 1 V
      O2-29 (L2) - Body ground L - Body ground Driver door key-linked lock input Driver door key cylinder off Pulse generation
      O2-2 (UL3) - Body ground LG - Body ground Driver door key-linked unlock input Driver door key cylinder turned to unlock Below 1 V
      O2-2 (UL3) - Body ground LG - Body ground Driver door key-linked unlock input Driver door key cylinder off Pulse generation
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