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Terminals Of Ecu

HINT:

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

  1. CAN J/C (CAN LH J/C, CAN RH J/C) 

    HINT:

    • The connectors connected to the CAN J/C can be distinguished by the colors of the bus lines and the connecting side of the junction connector.
    • The connectors can be connected to any terminals on the same side.
    1. CAN LH J/C
      Fig 1: Identifying CAN L/H Connector Terminals
      G04051909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Wiring color: 

      CAN LH J/C A SIDE (WITH EARTH TERMINAL) WIRING COLOR TABLE

      CAN LH J/C A Side (with Earth Terminal) Code Color (CANH Side) Color (CANL Side)
      Steering angle sensor J1 P W
      ECM J2 B W
      Seat belt control ECU J3 V w
      Center airbag sensor J4 R w

      Wiring color: 

      CAN LH J/C B SIDE (WITHOUT EARTH TERMINAL) WIRING COLOR TABLE

      CAN LH J/C B Side (without Earth Terminal) Code Color (CANH Side) Color (CANL Side)
      Yaw rate sensor J5 P W
      Skid control ECU (without VDIM) J6 R w
      CAN main bus line (bus line connecting CAN LH J/C and CAN RH J/C) J7 B w
      DLC3 J8 G w
      CAN LH J/C B Side (without Earth Terminal) Code Color (CANH Side) Color (CANL Side)
      Distance control ECU J9 GR W
    2. CAN RH J/C
      Fig 2: Identifying CAN J/C Connector Terminals
      G04051910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Wiring color: 

      CAN RH J/C A SIDE (WITH EARTH TERMINAL) WIRING COLOR TABLE

      CAN RH J/C A Side (with Earth Terminal) Code Color (CANH Side) Color (CANL Side)
      CAN main bus line (bus line connecting CAN RH J/C and CAN LH J/C) J81 B W
      Power steering ECU J82 P W
      Skid control ECU (with VDIM) J83 R w

      Wiring color: 

      CAN RH J/C B SIDE (WITHOUT EARTH TERMINAL) WIRING COLOR TABLE

      CAN RH J/C B Side (without Earth Terminal) Code Color (CANH Side) Color (CANL Side)
      Gateway ECU J84 B W
      4WD control ECU J86 V W
    3. The terminals on connectors for the CAN J/C
      TERMINAL SYMBOL DESCRIPTION TABLE

      Terminal Terminal symbol
      1 CANH
      2 CANL
      Fig 3: Identifying CAN J/C Connector Terminals
      G04051911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Wiring diagram for identifying CAN J/C connectors
    Fig 4: Identifying CAN J/C & ECU Connections
    G04051912Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. DLC3 
    1. Measure the resistance according to the value(s) in DLC3 STANDARD RESISTANCE DESCRIPTION TABLE  .
    Fig 5: Identifying DLC3 Connector Terminals
    G04051913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    DLC3 STANDARD RESISTANCE DESCRIPTION TABLE

    Terminals Wiring Color Terminal Description Condition Specified Condition
    J21-6 (CANH) - J21-14 (CANL) G - W HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 54 to 69 ohms
    J21-6 (CANH) - J21-4 (CG) G - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J21-14 (CANL) - J21-4 (CG) W - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J21-6 (CANH) - J21-16 (BAT) G - L HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    J21-14 (CANL) - J21-16 (BAT) W - L LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
  3. SKID CONTROL ECU (with VDIM) 
    1. Measure the resistance according to the value(s) in SKID CONTROL ECU (WITH VDIM)  .
    Fig 6: Identifying Skid Control ECU Connector Terminals
    G04051914Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    SKID CONTROL ECU (WITH VDIM)

    Terminals Wiring Color Terminal Description Condition Specified Condition
    J77-8 (CANH) - J77-16 (CANL) R - W HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 54 to 69 ohms
    J77-8 (CANH) - J78-26 (GND1) R - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J77-16 (CANL) - J78-26 (GND1) W - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J77-8 (CANH) - J21-16 (BAT) R - L HIGH-level CAN bus line -Battery positive Engine Switch off 1 M ohms or higher
    J77-16 (CANL) - J21-16 (BAT) W - L LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
  4. SKID CONTROL ECU WITH ACTUATOR (without VDIM) 
    1. Measure the resistance according to the value(s) in SKID CONTROL ECU WITH ACTUATOR (WITHOUT VDIM)  .
    Fig 7: Identifying Skid Control ECU Connector Terminals
    G04051915Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    SKID CONTROL ECU WITH ACTUATOR (WITHOUT VDIM)

    Terminals Wiring Color Terminal Description Condition Specified Condition
    A14-11 (CANH) - A14-25 (CANL) B - R HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 54 to 69 ohms
    A14-11 (CANH) - A14-32 (GND1) B - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    A14-25 (CANL) - A14-32 (GND1) R - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    A14-11 (CANH) - A14-31 (+BS) B - BR HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    A14-25 (CANL) - A14-31 (+BS) R - BR LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
  5. STEERING ANGLE SENSOR 
    1. Measure the resistance according to the value(s) in STEERING ANGLE SENSOR  .
    Fig 8: Identifying Steering Angle Sensor Connector Terminals
    G04051916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    STEERING ANGLE SENSOR

    Terminals Wiring Color Terminal Description Condition Specified Condition
    J23-10 (CANH) - J23-9 (CANL) P - W HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 54 to 69 ohms
    J23-10 (CANH) - J23-2 (ESS) P - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J23-9 (CANL) - J23-2 (ESS) W - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J23-10 (CANH) - J23-3 (BAT) P - LG HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    J23-9 (CANL) - J23-3 (BAT) W - LG LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
  6. YAW RATE SENSOR 
    1. Measure the resistance according to the value(s) in YAW RATE SENSOR  .
    Fig 9: Identifying Yaw Rate Sensor Connector Terminals
    G04051917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    YAW RATE SENSOR

    Terminals Wiring Color Terminal Description Condition Specified Condition
    J41-3 (CANH) - J41-2 (CANL) P - W HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 54 to 69 ohms
    J41-3 (CANH) - J41-1 (GND) P - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J41-2 (CANL) - J41-1 (GND) W - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J41-3 (CANH) - J21-16 (BAT) P - L HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    J41-2 (CANL) - J21-16 (BAT) W - L LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
  7. DISTANCE CONTROL ECU 
    1. Measure the resistance according to the value(s) in DISTANCE CONTROL ECU  .
    Fig 10: Identifying Distance Control ECU Connector Terminals
    G04051918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    DISTANCE CONTROL ECU

    Terminals Wiring Color Condition Specified Condition
    J17-8 (CANH) - J17-9 (CANL) GR - W Engine Switch off 54 to 69 ohms
    J17-8 (CANH) - J17-12 (GND) GR - BR Engine Switch off 1 k ohms or higher
    J17-9 (CANL) - J17-12 (GND) W - BR Engine Switch off 1 k ohms or higher
    J17-8 (CANH) - J21-16 (BAT) GR - L Engine Switch off 1 M ohms or higher
    J17-9 (CANL) - J21-16 (BAT) W - L Engine Switch off 1 M ohms or higher
  8. SEAT BELT CONTROL ECU 
    1. Measure the resistance according to the value(s) in SEAT BELT CONTROL ECU  .
    Fig 11: Identifying Seat Belt Control ECU Connector Terminals
    G04051919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    SEAT BELT CONTROL ECU

    Terminals Wiring Color Terminal Description Condition Specified Condition
    Q38-4 (CANH) - Q38-6 (CANL) B - W HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 54 to 69 ohms
    Q38-4 (CANH) - Q38-18 (PGND) B - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    Q38-6 (CANL) - Q38-18 (PGND) W - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    Terminals Wiring Color Terminal Description Condition Specified Condition
    Q38-4 (CANH) - Q38-9 (+B) B - W HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    Q38-6 (CANL) - Q38-9 (+B) W - W LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
  9. 4WD CONTROL ECU 
    1. Measure the resistance according to the value(s) in 4WD CONTROL ECU  .
    Fig 12: Identifying 4WD Control ECU Connector Terminals
    G04051920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    4WD CONTROL ECU

    Terminals Wiring Color Terminal Description Condition Specified Condition
    A32-1 (CANH) - A32-14 (CANL) B - V HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 54 to 69 ohms
    A32-1 (CANH) - A32-30 (GND) B - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    A32-14 (CANL) - A32-30 (GND) V - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    A32-1 (CANH) - J21-16 (BAT) B - L HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    A32-14 (CANL) - J21-16 (BAT) V - L LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
  10. POWER STEERING ECU 
    1. Measure the resistance according to the value(s) in POWER STEERING ECU  .
    Fig 13: Identifying Power Steering ECU Connector Terminals
    G04051921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    POWER STEERING ECU

    Terminals Wiring Color Terminal Description Condition Specified Condition
    A31-2 (CANH) - A31-3 (CANL) B - R HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 54 to 69 ohms
    A31-2 (CANH) - A31-5 (PGND) B - B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    A31-3 (CANL) - A31-5 (PGND) R - B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    A31-2 (CANH) - A31-4 (PIG) B - R HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    A31-3 (CANL) - A31-4 (PIG) R - R LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
  11. CENTER AIRBAG SENSOR 
    1. Measure the resistance according to the value(s) in CENTER AIRBAG SENSOR  .
    Fig 14: Identifying Center Airbag Sensor Connector Terminals
    G04051922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard resistance 

    CENTER AIRBAG SENSOR

    Terminals Wiring Color Terminal Description Condition Specified Condition
    J47-13 (CANH) - J47-22 (CANL) R - W HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 54 to 69 ohms
    J47-13 (CANH) - J47-25 (E1) R - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J47-22 (CANL) - J47-25 (E1) W - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    J47-13 (CANH) - J21-16 (BAT) R - L HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    J47-22 (CANL) - J21-16 (BAT) W - L LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
  12. ECM 
    1. Measure the resistance according to the value(s) in ECM STANDARD RESISTANCE DESCRIPTION TABLE  .
      Fig 15: Identifying ECM Connector Terminals
      G04051923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      ECM STANDARD RESISTANCE DESCRIPTION TABLE

      Terminals Condition Specified Condition
      A5-25 (CANH) - A5-24 (CANL) Engine Switch off 108 to 132 ohms
    2. Measure the resistance according to the value(s) in ECM WIRE HARNESS VIEW STANDARD RESISTANCE DESCRIPTION TABLE  .

    Standard resistance 

    ECM WIRE HARNESS VIEW STANDARD RESISTANCE DESCRIPTION TABLE

    Terminals Wiring Color Terminal Description Condition Specified Condition
    A5-25 (CANH) - A5-24 (CANL) B - W HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 108 to 132 ohms
    A5-25 (CANH) - A5-2 (EC) B - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    A5-24 (CANL) - A5-2 (EC) W - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
    A5-25 (CANH) - A5-4 (BATT) B - L HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    A5-24 (CANL) - A5-4 (BATT) W - L LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
    Fig 16: Identifying A5 Connector Terminals
    G04051924Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. GATEWAY ECU 
    1. Measure the resistance according to the value(s) in GATEWAY ECU STANDARD RESISTANCE DESCRIPTION TABLE  .
      Fig 17: Identifying Gateway ECU Connector Terminals
      G04051925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      GATEWAY ECU STANDARD RESISTANCE DESCRIPTION TABLE

      Terminals Condition Specified Condition
      J76-17 (CA1H) - J76-18 (CA1L) Engine Switch off 108 to 132 ohms
    2. Measure the resistance according to the value(s) in GATEWAY ECU WIRE HARNESS VIEW STANDARD RESISTANCE DESCRIPTION TABLE  .

Standard resistance 

GATEWAY ECU WIRE HARNESS VIEW STANDARD RESISTANCE DESCRIPTION TABLE

Terminals Wiring Color Terminal Description Condition Specified Condition
J76-17 (CA1H) - J76-18 (CA1L) B - W HIGH-level CAN bus line - LOW-level CAN bus line Engine Switch off 108 to 132 ohms
J76-17 (CA1H) - J76-24 (GND) B - W-B HIGH-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
J76-18 (CA1L) - J76-24 (GND) W - W-B LOW-level CAN bus line - Ground Engine Switch off 1 k ohms or higher
J76-17 (CA1H) - J76-10 (BATT) B - LG HIGH-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
J76-18 (CA1L) - J76-10 (BATT) W - LG LOW-level CAN bus line - Battery positive Engine Switch off 1 M ohms or higher
Fig 18: Identifying J76 Connector Terminals
G04051926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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