LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Can Communication System - Circuit Tests (3 Of 4)) >> CAN COMMUNICATION SYSTEM (for 1Motor-HEV Model) >> Check Bus 4 Line [09/2023 - ] >> Procedure

Check Bus 4 Line [09/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.
      GTY1237562Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D48-24 (CA2H) - D48-23 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal Below 70 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  47

    Result: 

    OK 

    See step  2

  2. CHECK FOR SHORT IN CAN BUS LINES 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1237562Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D48-24 (CA2H) - D48-23 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 54 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  33

    Result: 

    OK 

    See step  3

  3. CHECK FOR SHORT TO +B IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1237562Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D48-24 (CA2H) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D48-23 (CA2L) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  19

    Result: 

    OK 

    See step  4

  4. CHECK FOR SHORT TO GND IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1237562Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D48-24 (CA2H) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D48-23 (CA2L) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [09/2023 - ] 

    Result: 

    NG 

    See step  5

  5. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D66 No. 6 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  6

  6. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 6 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
      D66-5 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D66-12 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  12

    Result: 

    OK 

    See step  7

  7. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  10

    Result: 

    OK 

    See step  8

  8. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 6 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
      D66-3 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D66-10 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 6 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  11

  9. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D48 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
      D66-1 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D66-8 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [09/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  10. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG ECU ASSEMBLY) 
    1. Disconnect the D47 airbag ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG ECU ASSEMBLY) 

  11. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Disconnect the B34 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
      D66-3 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      D66-10 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

  12. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 6 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the B61 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
      B61-2 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      B61-6 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 6 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  13

  13. 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
      B61-1 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      B61-5 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  16

    Result: 

    OK 

    See step  14

  14. 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
      B61-3 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      B61-7 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  17

    Result: 

    OK 

    See step  15

  15. 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
      B61-4 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      B61-8 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  18

  16. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 
    1. Disconnect the D46 steering sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B61-1 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      B61-5 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE STEERING SENSOR. Refer to  REMOVAL [09/2023 - ] 

    Result: 

    NG 

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

  17. 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 B35 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
      B61-3 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      B61-7 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    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)) 

  18. 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 C35 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
      B61-4 (CANH) - Body ground Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      B61-8 (CANL) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

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

  19. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D66 No. 6 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  23

    Result: 

    OK 

    See step  20

  20. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 6 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
      D66-5 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D66-12 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  26

    Result: 

    OK 

    See step  21

  21. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  22

  22. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 6 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
      D66-3 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D66-10 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 6 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  25

  23. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D48 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
      D66-1 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D66-8 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [09/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  24. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG ECU ASSEMBLY) 
    1. Disconnect the D47 airbag ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG ECU ASSEMBLY) 

  25. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Disconnect the B34 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
      D66-3 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      D66-10 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

  26. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 6 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the B61 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
      B61-2 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      B61-6 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 6 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  27

  27. 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
      B61-1 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      B61-5 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  30

    Result: 

    OK 

    See step  28

  28. 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
      B61-3 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      B61-7 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  31

    Result: 

    OK 

    See step  29

  29. 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
      B61-4 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      B61-8 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  32

  30. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 
    1. Disconnect the D46 steering sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B61-1 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      B61-5 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE STEERING SENSOR. Refer to  REMOVAL [09/2023 - ] 

    Result: 

    NG 

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

  31. 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 B35 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
      B61-3 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      B61-7 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    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)) 

  32. 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 C35 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
      B61-4 (CANH) - Battery positive terminal Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      B61-8 (CANL) - Battery positive terminal

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

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

  33. CHECK FOR SHORT IN CAN BUS LINES (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D66 No. 6 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D66-1 (CANH) - D66-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  37

    Result: 

    OK 

    See step  34

  34. CHECK FOR SHORT IN CAN BUS LINES (NO. 6 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
      D66-5 (CANH) - D66-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  40

    Result: 

    OK 

    See step  35

  35. CHECK FOR SHORT IN CAN BUS LINES (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

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

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  38

    Result: 

    OK 

    See step  36

  36. CHECK FOR SHORT IN CAN BUS LINES (NO. 6 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
      D66-3 (CANH) - D66-10 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 6 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  39

  37. CHECK FOR SHORT IN CAN BUS LINES (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D48 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
      D66-1 (CANH) - D66-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [09/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  38. CHECK FOR SHORT IN CAN BUS LINES (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG ECU ASSEMBLY) 
    1. Disconnect the D47 airbag ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D66-7 (CANH) - D66-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - AIRBAG ECU ASSEMBLY) 

  39. CHECK FOR SHORT IN CAN BUS LINES (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 
    1. Disconnect the B34 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
      D66-3 (CANH) - D66-10 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)) 

  40. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 6 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the D66 No. 6 global CAN junction connector.
    2. Disconnect the B61 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
      B61-2 (CANH) - B61-6 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 6 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  41

  41. 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
      B61-1 (CANH) - B61-5 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  44

    Result: 

    OK 

    See step  42

  42. 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
      B61-3 (CANH) - B61-7 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  45

    Result: 

    OK 

    See step  43

  43. 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
      B61-4 (CANH) - B61-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  46

  44. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - STEERING SENSOR) 
    1. Disconnect the D46 steering sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B61-1 (CANH) - B61-5 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE STEERING SENSOR. Refer to  REMOVAL [09/2023 - ] 

    Result: 

    NG 

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

  45. 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 B35 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
      B61-3 (CANH) - B61-7 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 SKID CONTROL ECU (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY). Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    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)) 

  46. CHECK FOR SHORT IN CAN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Disconnect the C35 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
      B61-4 (CANH) - B61-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

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

  47. CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the D48 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
      D48-24 (CA2H) - D48-23 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU). Refer to  REMOVAL [09/2023 - ] 

    Result: 

    NG 

    See step  48

  48. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Reconnect the D48 central gateway ECU (network gateway ECU) connector.
    2. Disconnect the D66 No. 6 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D66-1 (CANH) - D66-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

    Result: 

    OK 

    See step  49

  49. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 6 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
      D66-5 (CANH) - D66-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 6 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  50

  50. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 6 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the D66 No. 6 global CAN junction connector.
    2. Disconnect the B61 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
      B61-2 (CANH) - B61-6 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 1 GLOBAL CAN JUNCTION CONNECTOR - NO. 6 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  51

  51. 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
      B61-4 (CANH) - B61-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 1 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  52

  52. CHECK FOR OPEN IN CAN MAIN BUS LINES (RACK AND PINION POWER STEERING GEAR ASSEMBLY) 
    1. Reconnect the B61 No. 1 global CAN junction connector.
    2. Disconnect the C35 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
      C35-10 (CANH) - C35-11 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [09/2023 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

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

scientia non olet · About LEMON Manuals