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Terminals Of Ecu

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

This service information describes the standard CAN values for all CAN related components.

  1. JUNCTION CONNECTOR (CAN J/C) 
    1. Connection diagram
      Fig 1: Junction Connector Terminal Identification
      GTY300718Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector:
      (to CAN Junction Connector)      		 *b for Network Gateway ECU
      *c for Navigation ECU *d for Center Airbag Sensor Assembly
      *e for Skid Control ECU *f for ECM
      *g for Steering Angle Sensor *h for DLC3
      *i for Yaw Rate Sensor - -
    2. Check the connection diagram of the components which are connected to the CAN junction connector.
      Terminals Wiring Color Connected to
      2 (CANH) R Yaw rate sensor
      13 (CANL) W
      3 (CANH) P DLC3
      14 (CANL) BE
      4 (CANH) L Steering angle sensor
      15 (CANL) LG
      6 (CANH) SB Network gateway ECU
      17 (CANL) V
      7 (CANH) Y Navigation ECU
      18 (CANL) GR
      8 (CANH) L Center airbag sensor assembly
      19 (CANL) R
      9 (CANH) B Skid control ECU
      20 (CANL) W
      10 (CANH) G ECM
      21 (CANL) BE
  2. DLC3 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 2: Can Junction Connector Terminal
      GTY304840Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3

      Standard resistance

      Terminals Wiring Color Condition Specified Condition
      D20-6 (CANH) - D20-14 (CANL) P - BE Ignition switch off 54 to 69 Ω
      D20-6 (CANH) - D20-4 (CG) P - W-B Ignition switch off 200 Ω or more
      D20-14 (CANL) - D20-4 (CG) BE - W-B Ignition switch off 200 Ω or more
      D20-6 (CANH) - D20-16 (BAT) P - L Ignition switch off 6 kΩ or more
      D20-14 (CANL) - D20-16 (BAT) BE - L Ignition switch off 6 kΩ or more
  3. SKID CONTROL ECU 
    1. Disconnect the connector from the skid control ECU.
      Fig 3: Skid Control ECU Connector Terminal Identification
      GTY297300Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector:
      (to Skid Control ECU)
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Terminals Wiring Color Condition Specified Condition
      A34-11 (CANH) - A34-25 (CANL) B - W Ignition switch off 108 to 132 Ω
      A34-11 (CANH) - A34-32 (GND1) B - W-B Ignition switch off 200 Ω or more
      A34-25 (CANL) - A34-32 (GND1) W - W-B Ignition switch off 200 Ω or more
      A34-11 (CANH) - A34-31 (+BS) B - L Ignition switch off 6 kΩ or more
      A34-25 (CANL) - A34-31 (+BS) W - L Ignition switch off 6 kΩ or more
  4. STEERING ANGLE SENSOR 
    1. Disconnect the connector from the steering angle sensor.
      Fig 4: Steering Angle Sensor Connector Terminal
      GTY305779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector:
      (to Steering Angle Sensor)
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Terminals Wiring Color Condition Specified Condition
      D12-10 (CANH) - D12-9 (CANL) L - LG Ignition switch off 54 to 69 Ω
      D12-10 (CANH) - D12-2 (ESS) L - W-B Ignition switch off 200 Ω or more
      D12-9 (CANL) - D12-2 (ESS) LG - W-B Ignition switch off 200 Ω or more
      D12-10 (CANH) - D12-3 (BAT) L - BE Ignition switch off 6 kΩ or more
      D12-9 (CANL) - D12-3 (BAT) LG - BE Ignition switch off 6 kΩ or more
  5. NAVIGATION ECU (NAVIGATION RECEIVER ASSEMBLY) (w/ Navigation System) 
    Fig 5: Navigation Receiver Assembly Connector Terminal Identification (1 Of 2)
    GTY298203Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TEXT IN ILLUSTRATION

    *a Rear view of wire harness connector:
    (to Navigation Receiver Assembly)    		 - -
    1. Disconnect connectors E52 and E54 from the navigation receiver assembly.
      Fig 6: Navigation Receiver Assembly Connector Terminal Identification (2 Of 2)
      GTY296122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector:
      (to Navigation Receiver Assembly)
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Terminals Wiring Color Condition Specified Condition
      E54-2 (CANH) - E54-3 (CANL) Y - GR Ignition switch off 54 to 69 Ω
      E54-2 (CANH) - E52-20 (GND) Y - BR Ignition switch off 200 Ω or more
      E54-3 (CANL) - E52-20 (GND) GR - BR Ignition switch off 200 Ω or more
      E54-2 (CANH) - E52-1 (B) Y - R Ignition switch off 6 kΩ or more
      E54-3 (CANL) - E52-1 (B) GR - R Ignition switch off 6 kΩ or more
  6. YAW RATE SENSOR 
    1. Disconnect the connector from the yaw rate sensor.
      Fig 7: Yaw Rate Sensor Connector Terminal Identification
      GTY303581Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3
      *a Front view of wire harness connector:
      (to Yaw Rate Sensor)
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Terminals Wiring Color Condition Specified Condition
      D28-3 (CANH) - D28-2 (CANL) R - W Ignition switch off 54 to 69 Ω
      D28-3 (CANH) - D28-1 (GND) R - B Ignition switch off 200 Ω or more
      D28-2 (CANL) - D28-1 (GND) W - B Ignition switch off 200 Ω or more
      D28-3 (CANH) - D20-16 (BAT) R - L Ignition switch off 6 kΩ or more
      D28-2 (CANL) - D20-16 (BAT) W - L Ignition switch off 6 kΩ or more
  7. ECM 
    1. Disconnect the connector from the ECM.
      Fig 8: ECM Connector Terminal Identification
      GTY303327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector:
      (to ECM)
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Terminals Wiring Color Condition Specified Condition
      A55-41 (CANH) - A55-49 (CANL) G - BE Ignition switch off 108 to 132 Ω
      A55-41 (CANH) - B50-81 (E1) G - W-B Ignition switch off 200 Ω or more
      A55-49 (CANL) - B50-81 (E1) BE - W-B Ignition switch off 200 Ω or more
      A55-41 (CANH) - A55-20 (BATT) G - B Ignition switch off 6 kΩ or more
      A55-49 (CANL) - A55-20 (BATT) BE - B Ignition switch off 6 kΩ or more
  8. NETWORK GATEWAY ECU 
    1. Disconnect the connector from the network gateway ECU (E23).
      Fig 9: Network Gateway ECU Connector Terminal Identification
      GTY296075Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Rear view of wire harness connector:
      (to Network Gateway ECU)
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Terminals Wiring Color Condition Specified Condition
      E23-17 (CA1H) - E23-18 (CA1L) SB - V Ignition switch off 54 to 69 Ω
      E23-17 (CA1H) - E23-24 (GND) SB - W-B Ignition switch off 200 Ω or more
      E23-18 (CA1L) - E23-24 (GND) V - W-B Ignition switch off 200 Ω or more
      E23-17 (CA1H) - E23-10 (BATT) SB - B Ignition switch off 6 kΩ or more
      E23-18 (CA1L) - E23-10 (BATT) V - B Ignition switch off 6 kΩ or more
  9. CENTER AIRBAG SENSOR ASSEMBLY 
    1. Disconnect the connector of the center airbag sensor assembly.
      Fig 10: Center Airbag Sensor Assembly Connector Terminal Identification
      GTY297549Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 DLC3 - -
      *a Front view of wire harness connector:
      (to Center Airbag Sensor Assembly)      		 - -
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Terminals Wiring Color Condition Specified Condition
      D23-13 (CANH) - D23-22 (CANL) L - R Ignition switch off 54 to 69 Ω
      D23-13 (CANH) - D23-25 (E1) L - W-B Ignition switch off 200 Ω or more
      D23-22 (CANL) - D23-25 (E1) R - W-B Ignition switch off 200 Ω or more
      D23-13 (CANH) - D20-16 (BAT) L - L Ignition switch off 6 kΩ or more
      D23-22 (CANL) - D20-16(BAT) R - L Ignition switch off 6 kΩ or more
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