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Terminals Of Ecu [08/2014 - ]

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  1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    1. Disconnect the 2C and 2B instrument panel junction block assembly connectors.
      Fig 1: Main Body ECU (Multiplex Network Body ECU) (With 3 Connectors) Connector Terminal Identification
      GTY332973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A Main body ECU (multiplex network body ECU) with 3 connectors - -
      *1 Main body ECU (multiplex network body ECU) *2 3 connectors
      Fig 2: Main body ECU With 1 Connector (Multiplex Network Body ECU) Connector Terminal Identification
      GTY325266Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A Main body ECU (multiplex network body ECU) with 1 connector - -
      *1 Main body ECU (multiplex network body ECU) *2 1 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 connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2C-18 (BECU) - Body ground Y - Body ground Battery power supply Power switch off 11 to 14 V
      2B-6 (GND1) - 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 2C and 2B instrument panel junction block assembly connectors.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      2D-26 (LIN2) - 2B-6 (GND1) P - W-B LIN communication line Power switch on (IG) Pulse generation
      2A-27 (LIN2) - 2B-6 (GND1) P - W-B LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the main body ECU (multiplex network body ECU) or instrument panel junction block assembly may be malfunctioning.

  2. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side) 
    1. Disconnect the O2 power window regulator motor assembly (for driver side) connector.
      Fig 3: Power Window Regulator Motor Assembly (For Driver Side) Connector Terminal Identification
      GTY227476Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      O2-2 (B) - O2-1 (GND) L - W-B Battery power supply Power switch off 11 to 14 V
      O2-1 (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 O2 power window regulator motor assembly (for driver side) connector.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      O2-9 (LIN) - O2-1 (GND) B - W-B LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the power window regulator motor assembly (for driver side) may be malfunctioning.

  3. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) 
    1. Disconnect the N2 power window regulator motor assembly (for front passenger side) connector.
      Fig 4: Power Window Regulator Motor Assembly (For Front Passenger Side) Connector Terminal Identification
      GTY227477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N2-2 (B) - N2-1 (GND) R - W-B Battery power supply Power switch off 11 to 14 V
      N2-1 (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 N2 power window regulator motor assembly (for front passenger side) connector.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N2-9 (LIN) - N2-1 (GND) P - W-B LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the power window regulator motor assembly (for front passenger side) may be malfunctioning.

  4. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side) 
    1. Disconnect the P4 power window regulator motor assembly (for rear RH side) connector.
      Fig 5: Power Window Regulator Motor Assembly (For Rear RH Side) Connector Terminal Identification
      GTY227478Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P4-2 (B) - P4-1 (GND) LA-R - W-B Battery power supply Power switch off 11 to 14 V
      P4-1 (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 P4 power window regulator motor assembly (for rear RH side) connector.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      P4-9 (LIN) - P4-1 (GND) P - W-B LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the power window regulator motor assembly (for rear RH side) may be malfunctioning.

  5. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side) 
    1. Disconnect the Q4 power window regulator motor assembly (for rear LH side) connector.
      Fig 6: Q4 Power Window Regulator Motor Assembly (For Rear LH Side) Connector Terminal Identification
      GTY227479Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      Q4-2 (B) - Q4-1 (GND) LA-R - W-B Battery power supply Power switch off 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 power window regulator motor assembly (for rear LH side) connector.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      Q4-9 (LIN) - Q4-1 (GND) P - W-B LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the power window regulator motor assembly (for rear LH side) may be malfunctioning.

  6. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. Disconnect the O6 multiplex network master switch assembly connector.
      Fig 7: O6 Multiplex Network Master Switch Assembly Connector Terminal Identification
      GTY236034Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      O6-11 (B) - O6-12 (GND) L - W-B Battery power supply Power switch off 11 to 14 V
      O6-12 (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 O6 multiplex network master switch assembly connector.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      O6-17 (LIN1) - O6-12 (GND) P - W-B LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the multiplex network master switch assembly may be malfunctioning.

  7. CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (w/ Moonroof with Solar Panel) 
    1. Disconnect the R23 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
      Fig 8: R23 Sliding Roof ECU Connector Terminal Identification
      GTY224557Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      R23-1 (B) - R23-2 (E) R - W-B Battery power supply Power switch off 11 to 14 V
      R23-2 (E) - 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 R23 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      R23-4 (MPX1) - R23-2 (E) P - W-B LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the sliding roof ECU (sliding roof drive gear sub-assembly) may be malfunctioning.

  8. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    1. Disconnect the L62 certification ECU (smart key ECU assembly) connector.
      Fig 9: Identifying L62 Certification ECU (Smart Key ECU Assembly) Connector Terminals
      GTY232891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L62-1 (+B) - L62-15 (E) B - W-B Battery power supply Power switch off 11 to 14 V
      L62-15 (E) - 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 L62 certification ECU (smart key ECU assembly) connector.
    4. Measure the voltage and check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L62-16 (IG) - L62-15 (E) BE - W-B Power switch power supply Power switch on (IG) 11 to 14 V
      L62-16 (IG) - L62-15 (E) BE - W-B Power switch power supply Power switch off Below 1 V
      L62-29 (LIN) - L62-15 (E) L - W-B LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the certification ECU (smart key ECU assembly) may be malfunctioning.

  9. CHECK ID CODE BOX (Immobilizer CODE ECU) (for Canada) 
    1. Disconnect the L10 ID code box (Immobilizer code ECU) connector.
      Fig 10: L10 ID Code Box (Immobilizer Code ECU) Connector Terminal Identification
      GTY215554Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L10-1 (+B) - L10-8 (GND) B - W-B Battery power supply Power switch off 11 to 14 V
      L10-8 (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 L10 ID code box (Immobilizer code ECU) connector.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L10-3 (LIN1) - L10-8 (GND) L - W-B LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the ID code box (Immobilizer code ECU) may be malfunctioning.

  10. CHECK TRANSMISSION CONTROL ECU ASSEMBLY 
    1. Disconnect the A23 and A24 transmission control ECU assembly connectors.
      Fig 11: Transmission Control ECU Connector Terminal Identification
      GTY215415Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      A23-15 (BATT) - Body ground SB - Body ground Battery power supply Power switch off 11 to 14 V
      A24-1 (E1) - Body ground BR - Body ground Ground Always Below 1 Ω
      A24-5 (E02) - Body ground W-B - Body ground Ground Always Below 1 Ω
      A24-6 (E01) - 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 A23 and A24 transmission control ECU assembly connectors.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      A24-24 (LIN) - A24-1 (E1) L - BR LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the transmission control ECU assembly may be malfunctioning.

  11. CHECK POWER MANAGEMENT CONTROL ECU 
    1. Disconnect the L5 and L6 power management control ECU connectors.
      Fig 12: Wire Harness Connector To Power Management Control ECU Connector End View
      GTY223837Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 connectors disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L5-1 (AM22) - Body ground W - Body ground Battery power supply Power switch off 11 to 14 V
      L6-7 (AM21) - Body ground W - Body ground Battery power supply Power switch off 11 to 14 V
      L5-6 (E1) - Body ground BR - 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 L5 and L6 power management control ECU connectors.
    4. Check for pulses according to the value(s) in the table below.
      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L6-11 (LIN2) - L5-6 (E1) L - BR LIN communication line Power switch on (IG) Pulse generation

      If the result is not as specified, the power management control ECU may be malfunctioning.

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