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Terminals Of Ecu

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

This section describes the standard CAN values for all CAN related components.

  1. CAN J/C (CAN RH J/C, CAN CENTER J/C) 
    1. CAN RH J/C.
      Fig 1: Identifying CAN RH J/C ECU Terminals
      G04116857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • The connectors connected to the CAN J/C can be distinguished by the colors of the bus lines and the connecting side of the connector.
      • The connectors can be connected to any cables on the same side.

      Connector color 

      CONNECTOR COLOR DESCRIPTION

      CAN RH J/C connectors (A side, w/ earth terminal) Connector color
      Skid control ECU (J22) W

      Connector colors 

      CONNECTOR COLOR DESCRIPTION

      CAN RH J/C connectors (B side, w/o earth terminal) Connector color
      HV control ECU (J56) GR
      CAN main bus line (J27) (bus line to connect CAN RH - CAN CENTER) B
      Yaw rate sensor (J26) L
      Television camera ECU (J57) BR
      Fig 2: Identifying CAN Center J/C ECU Terminals
      G04116858Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. CAN Center J/C
      NOTE:
      • The connectors connected to the CAN J/C can be distinguished by the colors of the bus lines and the connecting side of the connector.
      • The connectors can be connected to any cables on the same side.

      Connector colors 

      CONNECTOR COLOR DESCRIPTION

      CAN Center J/C connectors (A side, w/ earth terminal) Connector color
      Power steering ECU (J50) BR
      CAN main bus line (J52) (bus line to connect CAN center - CAN RH) B
      Network gateway ECU (J53) L
      DLC3 (J54) W

      Connector colors 

      CONNECTOR COLOR DESCRIPTION

      CAN J/C connectors (B side, w/o earth terminal) Connector color
      Distance control ECU (J51) W
      Steering sensor (J55) GR
    3. The terminals of the CAN J/C connectors.
      TERMINAL REFERENCE

      Terminal Terminal symbol
      1 CANH
      2 CANL
      Fig 3: Identifying CAN J/C Connectors Terminals
      G04116859Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TERMINAL SPECIFIED VALUE

      Terminals Condition Specified value
      CANH - CANL Disconnect the negative battery cable 108 to 132 Ω
      Fig 4: Identifying CAN J/C Side (With Or Without Earth Terminals)
      G04116860Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Wiring diagram for identifying CAN J/C connectors.
      Fig 5: Identifying CAN J/C Connectors - Wiring Diagram
      G04116861Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. DLC3 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 6: Identifying DLC3 Connector Terminals
      G04116862Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      TERMINAL SPECIFIED CONDITION

      Terminals Condition Specified Condition
      D1-6 (CANH) - D1-14 (CANL) Disconnect the negative battery cable 54 to 69 Ω
      D1-6(CANH) - D1-4(CG) Disconnect the negative battery cable 1 kΩ or higher
      D1-14(CANL) - D1-4(CG) Disconnect the negative battery cable 1 kΩ or higher
      D1-6 (CANH) - D1-16 (BAT) Disconnect the negative battery cable 1 MΩ or higher
      D1-14 (CANL) - D1-16 (BAT) Disconnect the negative battery cable 1 MΩ or higher
  3. SKID CONTROL ECU 
    1. Disconnect the connectors from the skid control ECU.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 7: Identifying Skid Control ECU Connector Terminals
      G04116863Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      WIRING COLOR AND SPECIFIED CONDITION

      Terminals Wiring Color Condition Specified Condition
      S39-19 (CANH) - S39-18 (CANL) B-W Disconnect the negative battery cable 54 to 69 Ω
      S39-19 (CANH) - S38-1 (GND1) B - W-B Disconnect the negative battery cable 1 kΩ or higher
      S39-18 (CANL) - S38-1 (GND1) W - W-B Disconnect the negative battery cable 1 kΩ or higher
      S39-19 (CANH) - S39-3 (+BI1) B - L Disconnect the negative battery cable 1 MΩ or higher
      S39-18 (CANL) - S39-3 (+BI1) W - L Disconnect the negative battery cable 1 MΩ or higher
      S39-19 (CANH) - S40-5 (+BI2) B - L-B Disconnect the negative battery cable 1 MΩ or higher
      S39-18 (CANL) - S40-5 (+BI2) W - L-B Disconnect the negative battery cable 1 MΩ or higher
  4. STEERING SENSOR 
    1. Disconnect the connector from the steering sensor.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 8: Identifying Connector From Steering Sensor
      G04116864Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      WIRING COLOR AND SPECIFIED CONDITION

      Terminals Wiring Color (ECB) Condition Specified Condition
      S10-10 (CANH) - S10-9 (CANL) B - W Disconnect the negative battery cable 54 to 69 Ω
      S10-10 (CANH) - S10-2 (ESS) B - W-B Disconnect the negative battery cable 1 kΩ or higher
      S10-9 (CANL) - S10-2 (ESS) W - W-B Disconnect the negative battery cable 1 kΩ or higher
      S10-10 (CANH) - S10-3 (BAT) B - SB Disconnect the negative battery cable 1 MΩ or higher
      S10-9 (CANL)- S10-3 (BAT) W - SB Disconnect the negative battery cable 1 MΩ or higher
  5. YAW RATE SENSOR 
    1. Disconnect the connector from the yaw rate sensor.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 9: Identifying Connector From Yaw Rate Sensor
      G04116865Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      WIRING COLOR AND SPECIFIED CONDITION

      Terminals Wiring Color Condition Specified Condition
      Y1-3 (CANH) - Y1-2 (CANL) B - W Disconnect the negative battery cable 54 to 69 Ω
      Y1-3(CANH) - Y1-1(GND) B - W-B Disconnect the negative battery cable 1 kΩ or higher
      Y1-2 (CANL) - Y1-1 (GND) W - W-B Disconnect the negative battery cable 1 kΩ or higher
      Y1-3 (CANH) - D1-16 (BAT) B - LG Disconnect the negative battery cable 1 MΩ or higher
      Y1-2 (CANL) - D1-16 (BAT) W - LG Disconnect the negative battery cable 1 MΩ or higher
  6. HV CONTROL ECU 
    1. Disconnect the connectors from the HV control ECU.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 10: Identifying Connectors From HV Control ECU
      G04116866Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      WIRING COLOR AND SPECIFIED CONDITION

      Terminals Wiring Color Condition Specified Condition
      H30-25 (CANH) - H30-33 (CANL) B - W Disconnect the negative battery cable 54 to 69 Ω
      H30-25 (CANH) - H30-32 (EOM) B - W-B Disconnect the negative battery cable 1 kΩ or higher
      H30-33 (CANL) - H30-32 (EOM) W - W-B Disconnect the negative battery cable 1 kΩ or higher
      H30-25 (CANH) - H29-1 (BATT) B - GR Disconnect the negative battery cable 1 MΩ or higher
      H30-33 (CANL) - H29-1 (BATT) W - GR Disconnect the negative battery cable 1 MΩ or higher
  7. POWER STEERING ECU 
    1. Disconnect the connector from the power steering ECU.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 11: Identifying Connector From Power Steering ECU
      G04116867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      WIRING COLOR AND SPECIFIED CONDITION

      Terminals Wiring Color Condition Specified Condition
      P41-2 (CANH) - P41-3 (CANL) B - W Disconnect the negative battery cable 54 to 69 Ω
      P41-2 (CANH) - P41-9 (PGND) B - B Disconnect the negative battery cable 1 kΩ or higher
      P41-3 (CANL) - P41-9 (PGND) W - B Disconnect the negative battery cable 1 kΩ or higher
      P41-2(CANH) - P41-6 (+B) B - B-W Disconnect the negative battery cable 1 MΩ or higher
      P41-3 (CANL) - P41-6(+B) W - B-W Disconnect the negative battery cable 1 MΩ or higher
  8. GATEWAY ECU 
    1. Disconnect the connector from the gateway ECU.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 12: Identifying Connector From Gateway ECU
      G04116868Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      WIRING COLOR AND SPECIFIED CONDITION

      Terminals Wiring Color Condition Specified Condition
      G3-17 (CA1H) - G3-18 (CA1L) B - W Disconnect the negative battery cable 54 to 69 Ω
      G3-17 (CA1H) - G3-24 (GND) B - W-B Disconnect the negative battery cable 1 kΩ or higher
      G3-18 (CA1L) - G3-24 (GND) W - W-B Disconnect the negative battery cable 1 kΩ or higher
      G3-17 (CA1H) - G3-10 (BATT) B - SB Disconnect the negative battery cable 1 MΩ or higher
      G3-18 (CA1L) - G3-10 (BATT) W - SB Disconnect the negative battery cable 1 MΩ or higher
  9. DISTANCE CONTROL ECU 
    1. Disconnect the connector from the distance control ECU.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 13: Identifying Connector From Distance Control ECU
      G04116869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      WIRING COLOR AND SPECIFIED CONDITION

      Terminals Wiring Color Condition Specified Condition
      D2-8 (CANH) - D2-9 (CANL) B - W Disconnect the negative battery cable 54 to 69 Ω
      D2-8 (CANH) - D2-12 (GND) B - G Disconnect the negative battery cable 1 k Ω or higher
      D2-9 (CANL) - D2-12 (GND) W - G Disconnect the negative battery cable 1 kΩ or higher
      D2-8 (CANH) - D1-16 (BAT) B - LG Disconnect the negative battery cable 1 MΩ or higher
      D2-9 (CANL) - D1-16 (BAT) W - LG Disconnect the negative battery cable 1 MΩ or higher
  10. TELEVISION CAMERA ECU 
    1. Disconnect the connector from the television camera ECU.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 14: Identifying Connector From Television Camera ECU
      G04116870Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance 

      WIRING COLOR AND SPECIFIED CONDITION

      Terminals Wiring Color Condition Specified Condition
      T18-18 (CANH) - T18-17 (CANL) B - W Disconnect the negative battery cable 54 to 69 Ω
      T18-18 (CANH) - T18-6 (GND1) B - W-B Disconnect the negative battery cable 1 kΩ or higher
      T18-17 (CANL) - T17-6 (GND1) W - W-B Disconnect the negative battery cable 1 kΩ or higher
      T18-18 (CANH) - T17-1 (+B) B - L Disconnect the negative battery cable 1 MΩ or higher
      T18-17 (CANL) - T17-1 (+B) W - L Disconnect the negative battery cable 1 MΩ or higher
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