Terminals Of Ecu

HINT:

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

1. JUNCTION CONNECTOR (J/C1) 
   Fig 1: Identifying Junction Connector (J/C1) Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Terminal arrangement and connection.
      TERMINAL ARRANGEMENT AND CONNECTION
      
      

      Symbols (Terminal No.)	Connects to
      CANL (J15-6)	J/C2
      CANH (J15-17)	J/C2
      CANL (J15-7)	Power Steering ECU
      CANH (J15-18)	Power Steering ECU
      CANL (J15-8)	Battery ECU
      CANH (J15-19)	Battery ECU
      CANL (J15-9)	Steering Angle Sensor
      CANH (J15-20)	Steering Angle Sensor
      CANL (J15-10)	DLC3
      CANH (J15-21)	DLC3
      CANL (J15-11)	Skid Control ECU
      CANH (J15-22)	Skid Control ECU

2. JUNCTION CONNECTOR (J/C2) 
   Fig 2: Identifying Junction Connector (J/C2) Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Terminal arrangement and connection
      TERMINAL ARRANGEMENT AND CONNECTION
      
      

      Symbols (Terminal No.)	Connects to
      CANL (J18-7)	J/C1
      CANH (J18-18)	J/C1
      CANL (J18-8)	Yaw Rate Sensor
      CANH (J18-19)	Yaw Rate Sensor
      CANL (J18-9)	Gateway ECU
      CANH (J18-20)	Gateway ECU
      CANL (J18-10)	ECM
      CANH (J18-21)	ECM
      CANL (J18-11)	Hybrid Vehicle Control ECU
      CANH (J18-22)	Hybrid Vehicle Control ECU

3. CHECK DLC3 
   1. Measure the resistance of the connector.
      Fig 3: Identifying DLC3 Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      DLC3 CONNECTOR RESISTANCE
      
      

      Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
      CANH (D1-6) - CANL (D1-4)	B - W	Power switch OFF	54 to 69 Ω
      CANH (D1-6) - CG (D1-4)	B - W-B	Power switch OFF	1 kΩ or more
      CANL (D1-14) - CG (D1-4)	W - W-B	Power switch OFF	1 kΩ or more
      CANH (D1-6) - BAT (D1-16)	B - G	Power switch OFF	1 MΩ or more
      CANL (D1-14) - BAT (D1-16)	W - G	Power switch OFF	1 MΩ or more

4. CHECK HYBRID VEHICLE CONTROL ECU 
   Fig 4: Disconnecting H14 ECU Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Disconnect the H14 ECU connector.
   2. Measure the resistance of the wire harness side connectors.
      H14 ECU CONNECTOR RESISTANCE
      
      

      Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
      CANH (H14-8) - CANL (H10-9)	B - W	Power switch OFF	54 to 69 Ω
      CANH (H14-8) - GND1 (H10-1)	B - W-B	Power switch OFF	1 kΩ or more
      CANL (H14-9) - GND1 (H10-1)	W - W-B	Power switch OFF	1 kΩ or more
      CANH (H14-8) - BATT (H15-6)	B - Y	Power switch OFF	1 MΩ or more
      CANL (H14-9) - BATT (H15-6)	W - Y	Power switch OFF	1 MΩ or more

5. CHECK BATTERY ECU 
   Fig 5: Identifying Battery ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Measure the resistance of the connector.
      BATTERY ECU CONNECTOR RESISTANCE
      
      

      Symbols (Terminal No.)	Condition	Specified Condition
      CANH (B11-18) - CANL (B11-19)	Power switch OFF	108 to 132 Ω

   2. Disconnect the B11 ECU connector.
      Fig 6: Identifying B11 ECU Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. Measure the resistance of the wire harness side connector.
      B11 ECU CONNECTOR RESISTANCE
      
      

      Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
      CANH (B11-18) - CANL (B11-19)	B - W	Power switch OFF	108 to 132 Ω
      CANH (B11-18) - GND (B11-12)	B - W-B	Power switch OFF	1 kΩ or more
      CANL (B11-19) - GND (B11-12)	W - W-B	Power switch OFF	1 kΩ or more
      CANH (B11-18) - AM (B11-1)	B - G	Power switch OFF	1 MΩ or more
      CANL (B11-19) - AM (B11-1)	W - G	Power switch OFF	1 MΩ or more

6. CHECK ECM 
   Fig 7: Identifying ECM Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Measure the resistance of the connector.
      ECM CONNECTOR RESISTANCE
      
      

      Symbols (Terminal No.)	Condition	Specified Condition
      CANH (E6-31) - CANL (E6-30)	Power switch OFF	108 to 132 Ω

   2. Disconnect the E6 ECM connector.
   3. Measure the resistance of the wire harness side connectors.
      Fig 8: Disconnecting E6 ECM Connector

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      ECM CONNECTOR RESISTANCE
      
      

      Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
      CANH (E6-31) - CANL (E6-30)	B - W	Power switch OFF	108 to 132 Ω
      CANH (E6-31) - E01 (E4-7)	B - BR	Power switch OFF	1 kΩ or more
      CANL (E6-30) - E01 (E4-7)	W - BR	Power switch OFF	1 kΩ or more
      CANH (E6-31) - BATT (E7-6)	B - R	Power switch OFF	1 MΩ or more
      CANL (E6-30) - BATT (E7-6)	W - R	Power switch OFF	1 MΩ or more

7. CHECK SKID CONTROL ECU 
   Fig 9: Checking Skid Control ECU

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Disconnect the S8 ECU connector.
   2. Measure the resistance of the wire harness side connectors.
      SKID CONTROL ECU RESISTANCE
      
      

      Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
      CANH (S8-19) - CANL (S8-18)	B - W	Power switch OFF	54 to 69 Ω
      CANH (S8-19) - GND (S7-1)	B - W	Power switch OFF	1 kΩ or more
      CANL (S8-18) - GND (S7-1)	W - W	Power switch OFF	1 kΩ or more
      CANH (S8-19) - +BI1 (S8-3)	B - B	Power switch OFF	1 MΩ or more
      CANL (S8-18) - +BI1 (S8-3)	W - B	Power switch OFF	1 MΩ or more

8. CHECK POWER STEERING ECU 
   Fig 10: Checking Power Steering ECU

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Disconnect the P8 ECU connector.
   2. Measure the resistance of the wire harness side connectors.
      POWER STEERING ECU RESISTANCE
      
      

      Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
      CANH (P8-1) - CANL (P8-7)	B - W	Power switch OFF	54 to 69 Ω
      CANH (P8-1) - PGND (P7-2)	B - W-B	Power switch OFF	1 kΩ or more
      CANL (P8-7) - PGND (P7-2)	W - W-B	Power switch OFF	1 kΩ or more
      CANH (P8-1) - PIG (P7-1)	B - W	Power switch OFF	1 MΩ or more
      CANL (P8-7) - PIG (P7-1)	W - W	Power switch OFF	1 MΩ or more

9. CHECK GATEWAY ECU 
   Fig 11: Checking Gateway ECU

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Disconnect the G1 ECU connector.
   2. Measure the resistance of the wire harness side connector.
      GATEWAY ECU RESISTANCE
      
      

      Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
      CA1H (G1-17) - CA1L (G1-18)	B - W	Power switch OFF	54 to 69 Ω
      CA1H (G1-17) - GND (G1-24)	B - W-B	Power switch OFF	1 kΩ or more
      CA1L (G1-18) - GND (G1-24)	W - W-B	Power switch OFF	1 kΩ or more
      CA1H (G1-17) - BATT (G1-10)	B - Y	Power switch OFF	1 MΩ or more
      CA1L (G1-18) - BATT (G1-10)	W - Y	Power switch OFF	1 MΩ or more

10. CHECK STEERING ANGLE SENSOR 
    Fig 12: Checking Steering Angle Sensor Connector

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S13 sensor connector.
    2. Measure the resistance of the wire harness side connector.
       STEERING ANGLE SENSOR RESISTANCE
       
       

       Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
       CANH (S13-10) - CANL (S13-9)	B - W	Power switch OFF	54 to 69 Ω
       CANH (S13-10) - ESS (S13-2)	B - W-B	Power switch OFF	1 kΩ or more
       CANL (S13-9) - ESS (S13-2)	W - W-B	Power switch OFF	1 kΩ or more
       CANH (S13-10) - BAT (S13-3)	B - R	Power switch OFF	1 MΩ or more
       CANL (S13-9) - BAT (S13-3)	W - R	Power switch OFF	1 MΩ or more

11. CHECK YAW RATE SENSOR 
    Fig 13: Checking Yaw Rate Sensor

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the Y1 sensor connector.
    2. Measure the resistance of the wire harness side connector.
       YAW RATE SENSOR RESISTANCE
       
       

       Symbols (Terminal No.)	Wiring Color	Condition	Specified Condition
       CANH (Y1-3) - CANL (Y1-2)	B - W	Power switch OFF	54 to 69 Ω
       CANH (Y1-3) - GND (Y1-1)	B - W-B	Power switch OFF	1 kΩ or more
       CANL (Y1-2) - GND (Y1-1)	W - W-B	Power switch OFF	1 kΩ or more
       CANH (Y1-3) - BAT (D1-16)	B - G	Power switch OFF	1 MΩ or more
       CANL (Y1-2) - BAT (D1-16)	W - G	Power switch OFF	1 MΩ or more