LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Can Communication System (HEV) - Circuit Tests (3 Of 3)) >> CAN COMMUNICATION SYSTEM (for HEV Model) >> Check Bus 6 Line [12/2022 - ] >> Procedure

Check Bus 6 Line [12/2022 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  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.
      GTY1139855Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      K78-31 (CA7H) - K78-32 (CA7L) Cable disconnected from negative (-) auxiliary battery terminal Below 70 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  41

    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.
      GTY1139855Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      K78-31 (CA7H) - K78-32 (CA7L) Cable disconnected from negative (-) auxiliary battery terminal 54 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  29

    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.
      GTY1140468Courtesy 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
      K78-31 (CA7H) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K78-32 (CA7L) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  17

    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.
      GTY1150916Courtesy 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
      K78-31 (CA7H) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K78-32 (CA7L) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2022 - ]

    Result: 

    NG 

    See step  5

  5. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the R112 No. 13 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R112-2 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      R112-6 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  7

    Result: 

    OK 

    See step  6

  6. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - NO. 7 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R112-1 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      R112-5 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 13 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  8

  7. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the K78 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
      R112-2 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      R112-6 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  8. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - NO. 13 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the K108 No. 7 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-4 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K108-15 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - NO. 13 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  9

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-3 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K108-14 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  13

    Result: 

    OK 

    See step  10

  10. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-5 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K108-16 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  14

    Result: 

    OK 

    See step  11

  11. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-2 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K108-13 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  15

    Result: 

    OK 

    See step  12

  12. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INTEGRATION CONTROL SUPPLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-1 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K108-12 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  16

  13. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the K78 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
      K108-3 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K108-14 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  14. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 
    1. Disconnect the R31 tire pressure warning ECU and receiver connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-5 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K108-16 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER 

    Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 

  15. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Disconnect the A59 vehicle approaching speaker controller connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-2 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K108-13 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 

  16. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INTEGRATION CONTROL SUPPLY) 
    1. Disconnect the K26 integration control supply connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-1 (CANH) - K8-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      K108-12 (CANL) - K8-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INTEGRATION CONTROL SUPPLY 

    Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INTEGRATION CONTROL SUPPLY) 

  17. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the R112 No. 13 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R112-2 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      R112-6 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  19

    Result: 

    OK 

    See step  18

  18. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - NO. 7 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R112-1 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      R112-5 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 13 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  20

  19. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the K78 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
      R112-2 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      R112-6 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  20. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - NO. 13 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the K108 No. 7 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-4 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K108-15 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - NO. 13 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  21

  21. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-3 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K108-14 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  25

    Result: 

    OK 

    See step  22

  22. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-5 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K108-16 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  26

    Result: 

    OK 

    See step  23

  23. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-2 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K108-13 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  27

    Result: 

    OK 

    See step  24

  24. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INTEGRATION CONTROL SUPPLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-1 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K108-12 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  28

  25. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the K78 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
      K108-3 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K108-14 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  26. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 
    1. Disconnect the R31 tire pressure warning ECU and receiver connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-5 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K108-16 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER 

    Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 

  27. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Disconnect the A59 vehicle approaching speaker controller connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-2 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K108-13 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 

  28. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INTEGRATION CONTROL SUPPLY) 
    1. Disconnect the K26 integration control supply connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-1 (CANH) - K8-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      K108-12 (CANL) - K8-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INTEGRATION CONTROL SUPPLY 

    Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INTEGRATION CONTROL SUPPLY) 

  29. CHECK FOR SHORT IN CAN BUS LINES (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the R112 No. 13 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R112-2 (CANH) - R112-6 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  31

    Result: 

    OK 

    See step  30

  30. CHECK FOR SHORT IN CAN BUS LINES (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - NO. 7 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R112-1 (CANH) - R112-5 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 13 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  32

  31. CHECK FOR SHORT IN CAN BUS LINES (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the K78 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
      R112-2 (CANH) - R112-6 (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 [12/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  32. CHECK FOR SHORT IN CAN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - NO. 13 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the R112 No. 13 global CAN junction connector.
    2. Disconnect the K108 No. 7 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-4 (CANH) - K108-15 (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. 7 GLOBAL CAN JUNCTION CONNECTOR - NO. 13 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  33

  33. CHECK FOR SHORT IN CAN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-3 (CANH) - K108-14 (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. 7 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-5 (CANH) - K108-16 (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  35

  35. CHECK FOR SHORT IN CAN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-2 (CANH) - K108-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  39

    Result: 

    OK 

    See step  36

  36. CHECK FOR SHORT IN CAN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INTEGRATION CONTROL SUPPLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-1 (CANH) - K108-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  40

  37. CHECK FOR SHORT IN CAN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the K78 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
      K108-3 (CANH) - K108-14 (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 [12/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  38. CHECK FOR SHORT IN CAN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 
    1. Disconnect the R31 tire pressure warning ECU and receiver connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-5 (CANH) - K108-16 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER 

    Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - TIRE PRESSURE WARNING ECU AND RECEIVER) 

  39. CHECK FOR SHORT IN CAN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 
    1. Disconnect the A59 vehicle approaching speaker controller connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-2 (CANH) - K108-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE VEHICLE APPROACHING SPEAKER CONTROLLER 

    Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - VEHICLE APPROACHING SPEAKER CONTROLLER) 

  40. CHECK FOR SHORT IN CAN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INTEGRATION CONTROL SUPPLY) 
    1. Disconnect the K26 integration control supply connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-1 (CANH) - K108-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INTEGRATION CONTROL SUPPLY 

    Refer to REMOVAL [12/2022 - 03/2023] , or refer to REMOVAL [03/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INTEGRATION CONTROL SUPPLY) 

  41. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the R112 No. 13 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R112-2 (CANH) - R112-6 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  43

    Result: 

    OK 

    See step  42

  42. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 13 GLOBAL CAN JUNCTION CONNECTOR - NO. 7 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R112-1 (CANH) - R112-5 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 13 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  44

  43. CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the K78 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
      K78-31 (CA7H) - R112-2 (CANH) Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
      K78-32 (CA7L) - R112-6 (CANL) Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) - NO. 13 GLOBAL CAN JUNCTION CONNECTOR) 

  44. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - NO. 13 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the R112 No. 13 global CAN junction connector.
    2. Disconnect the K108 No. 7 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-4 (CANH) - K108-15 (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. 7 GLOBAL CAN JUNCTION CONNECTOR - NO. 13 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  45

  45. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K108-3 (CANH) - K108-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  46

  46. CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the K78 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
      K78-10 (CAVH) - K108-3 (CANH) Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
      K78-11 (CAVL) - K108-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [12/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) - NO. 7 GLOBAL CAN JUNCTION CONNECTOR) 

scientia non olet · About LEMON Manuals