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Check Bus 2 Line [11/2021 - 03/2022]: Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2025 Lexus NX 350, 2025 Lexus NX 250, 2024 Lexus NX 350, 2024 Lexus NX 250, and 2023 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Telematics Transceiver A
      w/o Telematics Transceiver 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 (-) battery terminal.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1060081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D155-26 (CA4H) - D155-25 (CA4L) Cable disconnected from negative (-) battery terminal Below 70 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  40

    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.
      GTY1060081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D155-26 (CA4H) - D155-25 (CA4L) Cable disconnected from negative (-) battery terminal 54 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  30

    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.
      GTY1064293Courtesy 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
      D155-26 (CA4H) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D155-25 (CA4L) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  20

    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.
      GTY1064348Courtesy 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
      D155-26 (CA4H) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D155-25 (CA4L) - 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 (-) battery terminal.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1065849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D71-26 (CA4H) - D71-25 (CA4L) Cable disconnected from negative (-) battery terminal Below 70 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  40

    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.
      GTY1065188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D71-26 (CA4H) - D71-25 (CA4L) Cable disconnected from negative (-) battery terminal 54 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  30

    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.
      GTY1065949Courtesy 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
      D71-26 (CA4H) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D71-25 (CA4L) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  20

    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.
      GTY1065664Courtesy 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
      D71-26 (CA4H) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D71-25 (CA4L) - 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 MAIN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D92 No. 8 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-2 (CANH) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D92-13 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  19

    Result: 

    OK 

    See step  11

  11. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-5 (CANH) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D92-16 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  14

    Result: 

    OK 

    See step  12

  12. CHECK FOR SHORT TO GND IN CAN BRANCH BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-1 (CANH) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D92-12 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  16

    Result: 

    OK 

    See step  13

  13. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ENGINE STOP AND START ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-9 (CANH) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D92-20 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 8 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  18

  14. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Disconnect the A20 or A19 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-5 (CANH) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D92-16 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 

    Result: 

    OK 

    See step  15

  15. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for A25A-FKS A
      for T24A-FTS B

    Result: 

    A 

    REPLACE ECM. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    B 

    REPLACE ECM. Refer to  REMOVAL [11/2021 - ] 

  16. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 
    1. Disconnect the D39 transmission floor shift assembly (shift control ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-1 (CANH) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D92-12 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 

    Result: 

    OK 

    See step  17

  17. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for Automatic Transmission (UA81F) A
      for Automatic Transmission (UB80E or UB80F) B

    Result: 

    A 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    B 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU). Refer to  REMOVAL [11/2021 - ] 

  18. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ENGINE STOP AND START ECU) 
    1. Disconnect the D40 engine stop and start ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-9 (CANH) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D92-20 (CANL) - D66-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ENGINE STOP AND START ECU. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ENGINE STOP AND START ECU) 

  19. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 8 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
      D92-2 (CANH) - D66-4 (CG) Cable disconnected from negative (-) battery terminal 200 Ω or higher
      D92-13 (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. 8 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  20. CHECK FOR SHORT TO +B IN CAN MAIN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D92 No. 8 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-2 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D92-13 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  29

    Result: 

    OK 

    See step  21

  21. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-5 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D92-16 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  22

  22. CHECK FOR SHORT TO +B IN CAN BRANCH BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-1 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D92-12 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  26

    Result: 

    OK 

    See step  23

  23. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ENGINE STOP AND START ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-9 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D92-20 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 8 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  28

  24. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Disconnect the A20 or A19 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-5 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D92-16 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 

    Result: 

    OK 

    See step  25

  25. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for A25A-FKS A
      for T24A-FTS B

    Result: 

    A 

    REPLACE ECM. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    B 

    REPLACE ECM. Refer to  REMOVAL [11/2021 - ] 

  26. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 
    1. Disconnect the D39 transmission floor shift assembly (shift control ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-1 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D92-12 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 

    Result: 

    OK 

    See step  27

  27. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for Automatic Transmission (UA81F) A
      for Automatic Transmission (UB80E or UB80F) B

    Result: 

    A 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    B 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU). Refer to  REMOVAL [11/2021 - ] 

  28. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ENGINE STOP AND START ECU) 
    1. Disconnect the D40 engine stop and start ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-9 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D92-20 (CANL) - D66-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ENGINE STOP AND START ECU. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ENGINE STOP AND START ECU) 

  29. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 8 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
      D92-2 (CANH) - D66-16 (BAT) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      D92-13 (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. 8 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  30. CHECK FOR SHORT IN CAN MAIN BUS LINES (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D92 No. 8 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-2 (CANH) - D92-13 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  39

    Result: 

    OK 

    See step  31

  31. CHECK FOR SHORT IN CAN BUS LINES (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-5 (CANH) - D92-16 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  34

    Result: 

    OK 

    See step  32

  32. CHECK FOR SHORT IN CAN BRANCH BUS LINES (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-1 (CANH) - D92-12 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  36

    Result: 

    OK 

    See step  33

  33. CHECK FOR SHORT IN CAN BUS LINES (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ENGINE STOP AND START ECU) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-9 (CANH) - D92-20 (CANL) Cable disconnected from negative (-) battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 8 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  38

  34. CHECK FOR SHORT IN CAN BUS LINES (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Disconnect the A20 or A19 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-5 (CANH) - D92-16 (CANL) Cable disconnected from negative (-) battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 

    Result: 

    OK 

    See step  35

  35. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for A25A-FKS A
      for T24A-FTS B

    Result: 

    A 

    REPLACE ECM. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    B 

    REPLACE ECM. Refer to  REMOVAL [11/2021 - ] 

  36. CHECK FOR SHORT IN CAN BUS LINES (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 
    1. Disconnect the D39 transmission floor shift assembly (shift control ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-1 (CANH) - D92-12 (CANL) Cable disconnected from negative (-) battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 

    Result: 

    OK 

    See step  37

  37. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for Automatic Transmission (UA81F) A
      for Automatic Transmission (UB80E or UB80F) B

    Result: 

    A 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU). Refer to  REMOVAL [11/2021 - ] 

    Result: 

    B 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU). Refer to  REMOVAL [11/2021 - ] 

  38. CHECK FOR SHORT IN CAN BUS LINES (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ENGINE STOP AND START ECU) 
    1. Disconnect the D40 engine stop and start ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-9 (CANH) - D92-20 (CANL) Cable disconnected from negative (-) battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ENGINE STOP AND START ECU. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ENGINE STOP AND START ECU) 

  39. CHECK FOR SHORT IN CAN BUS LINES (NO. 8 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
      D92-2 (CANH) - D92-13 (CANL) Cable disconnected from negative (-) 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. 8 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  40. CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) - NO. 8 GLOBAL CAN JUNCTION CONNECTOR) 
    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

      W/O TELEMATICS TRANSCEIVER

      Tester Connection Condition Specified Condition
      D71-26 (CA4H) - D71-25 (CA4L) Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      W/ TELEMATICS TRANSCEIVER

      Tester Connection Condition Specified Condition
      D155-26 (CA4H) - D155-25 (CA4L) Cable disconnected from negative (-) 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  41

  41. CHECK FOR OPEN IN CAN BUS LINES (NO. 8 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 D92 No. 8 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-2 (CANH) - D92-13 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

    Result: 

    OK 

    See step  42

  42. CHECK FOR OPEN IN CAN BUS LINES (NO. 8 GLOBAL CAN JUNCTION CONNECTOR - ECM) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D92-5 (CANH) - D92-16 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 8 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  43

  43. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      for A25A-FKS A
      for T24A-FTS B

    Result: 

    B 

    See step  45

    Result: 

    A 

    See step  44

  44. CHECK FOR OPEN IN CAN BUS LINES (ECM - NO. 8 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the D92 No. 8 global CAN junction connector.
    2. Disconnect the A20 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A20-8 (CANH) - A20-18 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (ECM - NO. 8 GLOBAL CAN JUNCTION CONNECTOR) 

  45. CHECK FOR OPEN IN CAN BUS LINES (ECM - NO. 8 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the D92 No. 8 global CAN junction connector.
    2. Disconnect the A19 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A19-26 (CANH) - A19-25 (CANL) Cable disconnected from negative (-) battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (ECM - NO. 8 GLOBAL CAN JUNCTION CONNECTOR) 

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