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Check Bus 4 Line [03/2022 - 03/2024]: Procedure

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  1. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Telematics Transceiver (for TMC Made) A
      except Telematics Transceiver (for TMC Made) B

    Result: 

    B 

    See step  6

    Result: 

    A 

    See step  2

  2. CHECK FOR OPEN IN CAN MAIN BUS LINES 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1060083Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D155-24 (CA2H) - D155-23 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal Below 70 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  52

    Result: 

    OK 

    See step  3

  3. CHECK FOR SHORT IN CAN BUS LINES 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1060083Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D155-24 (CA2H) - D155-23 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 54 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  38

    Result: 

    OK 

    See step  4

  4. CHECK FOR SHORT TO +B IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1064281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      D155-24 (CA2H) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D155-23 (CA2L) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  5

  5. CHECK FOR SHORT TO GND IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1064284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      D155-24 (CA2H) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D155-23 (CA2L) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    See step  10

  6. CHECK FOR OPEN IN CAN MAIN BUS LINES 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1059851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D71-24 (CA2H) - D71-23 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal Below 70 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  52

    Result: 

    OK 

    See step  7

  7. CHECK FOR SHORT IN CAN BUS LINES 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1059851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D71-24 (CA2H) - D71-23 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 54 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  38

    Result: 

    OK 

    See step  8

  8. CHECK FOR SHORT TO +B IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1059774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      D71-24 (CA2H) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D71-23 (CA2L) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  9

  9. CHECK FOR SHORT TO GND IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1059773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      D71-24 (CA2H) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D71-23 (CA2L) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    See step  10

  10. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D88 No. 5 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-1 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D88-8 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  14

    Result: 

    OK 

    See step  11

  11. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-5 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D88-12 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  17

    Result: 

    OK 

    See step  12

  12. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-7 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D88-14 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  15

    Result: 

    OK 

    See step  13

  13. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-3 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D88-10 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 5 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  16

  14. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D71 or D155 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-1 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D88-8 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  15. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 
    1. Disconnect the D70 airbag sensor assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-7 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D88-14 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [11/2021 - 03/2024] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 

  16. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Disconnect the A38 No. 2 skid control ECU (brake actuator assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-3 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D88-10 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

  17. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 5 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the A78 No. 1 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-7 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A78-14 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 5 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  18

  18. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-5 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A78-12 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  21

    Result: 

    OK 

    See step  19

  19. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-3 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A78-10 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  22

    Result: 

    OK 

    See step  20

  20. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-1 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A78-8 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  23

  21. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 
    1. Disconnect the D69 steering sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-5 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A78-12 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE STEERING SENSOR. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 

  22. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Disconnect the A39 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-3 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A78-10 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

  23. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Disconnect the B66 rack and pinion power steering gear assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-1 (CANH) - D66-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A78-8 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [11/2021 - 03/2024] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 

  24. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D88 No. 5 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-1 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D88-8 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  28

    Result: 

    OK 

    See step  25

  25. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-5 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D88-12 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  31

    Result: 

    OK 

    See step  26

  26. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-7 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D88-14 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  29

    Result: 

    OK 

    See step  27

  27. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-3 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D88-10 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 5 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  30

  28. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D71 or D155 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-1 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D88-8 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  29. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 
    1. Disconnect the D70 airbag sensor assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-7 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D88-14 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [11/2021 - 03/2024] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 

  30. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Disconnect the A38 No. 2 skid control ECU (brake actuator assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-3 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D88-10 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

  31. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 5 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the A78 No. 1 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-7 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A78-14 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 5 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  32

  32. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-5 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A78-12 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  35

    Result: 

    OK 

    See step  33

  33. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-3 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A78-10 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  36

    Result: 

    OK 

    See step  34

  34. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-1 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A78-8 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  37

  35. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 
    1. Disconnect the D69 steering sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-5 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A78-12 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE STEERING SENSOR. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 

  36. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Disconnect the A39 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-3 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A78-10 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

  37. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Disconnect the B66 rack and pinion power steering gear assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-1 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A78-8 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [11/2021 - 03/2024] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 

  38. CHECK FOR SHORT IN CAN BUS LINES (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D88 No. 5 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-1 (CANH) - D88-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  42

    Result: 

    OK 

    See step  39

  39. CHECK FOR SHORT IN CAN BUS LINES (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-5 (CANH) - D88-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  45

    Result: 

    OK 

    See step  40

  40. CHECK FOR SHORT IN CAN BUS LINES (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-7 (CANH) - D88-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  43

    Result: 

    OK 

    See step  41

  41. CHECK FOR SHORT IN CAN BUS LINES (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-3 (CANH) - D88-10 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 5 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  44

  42. CHECK FOR SHORT IN CAN BUS LINES (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D71 or D155 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-1 (CANH) - D88-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  43. CHECK FOR SHORT IN CAN BUS LINES (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 
    1. Disconnect the D70 airbag sensor assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-7 (CANH) - D88-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [11/2021 - 03/2024] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG SENSOR ASSEMBLY) 

  44. CHECK FOR SHORT IN CAN BUS LINES (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Disconnect the A38 No. 2 skid control ECU (brake actuator assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-3 (CANH) - D88-10 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

  45. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 5 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the D88 No. 5 global CAN junction connector.
    2. Disconnect the A78 No. 1 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-7 (CANH) - A78-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 5 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  46

  46. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-5 (CANH) - A78-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  49

    Result: 

    OK 

    See step  47

  47. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-3 (CANH) - A78-10 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  50

    Result: 

    OK 

    See step  48

  48. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-1 (CANH) - A78-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  51

  49. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 
    1. Disconnect the D69 steering sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-5 (CANH) - A78-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE STEERING SENSOR. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 

  50. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 
    1. Disconnect the A39 No. 1 skid control ECU (brake booster with master cylinder assembly) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-3 (CANH) - A78-10 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY)) 

  51. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Disconnect the B66 rack and pinion power steering gear assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-1 (CANH) - A78-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [11/2021 - 03/2024] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 

  52. CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D71 or D155 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      EXCEPT TELEMATICS TRANSCEIVER (FOR TMC MADE)

      Tester Connection Condition Specified Condition
      D71-24 (CA2H) - D71-23 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      W/ TELEMATICS TRANSCEIVER (FOR TMC MADE)

      Tester Connection Condition Specified Condition
      D155-24 (CA2H) - D155-23 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    See step  53

  53. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Reconnect the D71 or D155 central gateway ECU (network gateway ECU) connector.
    2. Disconnect the D88 No. 5 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-1 (CANH) - D88-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

    Result: 

    OK 

    See step  54

  54. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 5 GLOBAL CAN JUNCTION CONNECTOR - NO. 1 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D88-5 (CANH) - D88-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 5 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  55

  55. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 5 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the D88 No. 5 global CAN junction connector.
    2. Disconnect the A78 No. 1 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-7 (CANH) - A78-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 5 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  56

  56. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A78-1 (CANH) - A78-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  57

  57. CHECK FOR OPEN IN CAN MAIN BUS LINES (RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Reconnect the A78 No. 1 global CAN junction connector.
    2. Disconnect the B66 rack and pinion power steering gear assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B66-10 (CANH) - B66-11 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [11/2021 - 03/2024] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (RACK AND PINION POWER STEERING GEAR ASSEMBLY - NO. 1 GLOBAL CAN JUNCTION CONNECTOR) 

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