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Check Bus 2 Line [09/2022 - ]: 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.
      GTY1119393Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      I173-26 (CA4H) - I173-25 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal Below 70 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  35

    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.
      GTY1119393Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      I173-26 (CA4H) - I173-25 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal 54 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  25

    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.
      GTY1115405Courtesy 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
      I173-26 (CA4H) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I173-25 (CA4L) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  15

    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.
      GTY1115401Courtesy 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
      I173-26 (CA4H) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I173-25 (CA4L) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]

    Result: 

    NG 

    See step  5

  5. CHECK FOR SHORT TO GND IN CAN BUS LINE (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the O192 battery ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113575Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Battery ECU Assembly)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-9 (CA2H) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O192-8 (CA2L) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  7

    Result: 

    OK 

    See step  6

  6. CHECK FOR SHORT TO GND IN CAN BUS LINE (BATTERY ECU ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1118560Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Battery ECU Assembly)      		 *b to No. 14 CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-20 (C2HB) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O192-19 (C2LB) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY ECU ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    See step  8

  7. CHECK FOR SHORT TO GND IN CAN BUS LINE (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the I173 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113575Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Battery ECU Assembly)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-9 (CA2H) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O192-8 (CA2L) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  8. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 14 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Disconnect the I223 No. 14 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1115465Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-4 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I223-8 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 14 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 

    Result: 

    OK 

    See step  9

  9. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 14 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1115464Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-2 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I223-6 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  11

    Result: 

    OK 

    See step  10

  10. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 14 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1115463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-1 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I223-5 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 14 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  12

  11. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 14 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the I3 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1115464Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-2 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I223-6 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 14 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  12. CHECK FOR SHORT TO GND IN CAN BUS LINE (INVERTER WITH CONVERTER ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 
    1. Disconnect the A155 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113479Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)      		 *b to No. 14 CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-5 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A155-6 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  13

  13. CHECK FOR SHORT TO GND IN CAN BUS LINE (INVERTER WITH CONVERTER ASSEMBLY - ECM) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113480Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-13 (CADH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A155-14 (CADL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    See step  14

  14. CHECK FOR SHORT TO GND IN CAN BUS LINE (INVERTER WITH CONVERTER ASSEMBLY - ECM) 
    1. Disconnect the A46 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113480Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-13 (CADH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A155-14 (CADL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - ECM) 

  15. CHECK FOR SHORT TO +B IN CAN BUS LINE (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the O192 battery ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Battery ECU Assembly)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-9 (CA2H) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O192-8 (CA2L) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  17

    Result: 

    OK 

    See step  16

  16. CHECK FOR SHORT TO +B IN CAN BUS LINE (BATTERY ECU ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Battery ECU Assembly)      		 *b to No. 14 CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-20 (C2HB) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O192-19 (C2LB) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY ECU ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    See step  18

  17. CHECK FOR SHORT TO +B IN CAN BUS LINE (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the I173 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Battery ECU Assembly)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-9 (CA2H) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O192-8 (CA2L) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  18. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 14 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Disconnect the I223 No. 14 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1115462Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-4 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I223-8 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 14 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 

    Result: 

    OK 

    See step  19

  19. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 14 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1118957Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-2 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I223-6 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  21

    Result: 

    OK 

    See step  20

  20. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 14 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1115459Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-1 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I223-5 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 14 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  22

  21. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 14 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the I3 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1118957Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-2 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I223-6 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 14 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  22. CHECK FOR SHORT TO +B IN CAN BUS LINE (INVERTER WITH CONVERTER ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 
    1. Disconnect the A155 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)      		 *b to No. 14 CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-5 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A155-6 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  23

  23. CHECK FOR SHORT TO +B IN CAN BUS LINE (INVERTER WITH CONVERTER ASSEMBLY - ECM) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113478Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-13 (CADH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A155-14 (CADL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    See step  24

  24. CHECK FOR SHORT TO +B IN CAN BUS LINE (INVERTER WITH CONVERTER ASSEMBLY - ECM) 
    1. Disconnect the A46 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1118543Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)      		 *b to ECM

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-13 (CADH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A155-14 (CADL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - ECM) 

  25. CHECK FOR SHORT IN CAN BUS LINES (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the O192 battery ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-9 (CA2H) - O192-8 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1112594Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Battery ECU Assembly)
      *b to Central Gateway ECU (Network Gateway ECU)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  27

    Result: 

    OK 

    See step  26

  26. CHECK FOR SHORT IN CAN BUS LINES (BATTERY ECU ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-20 (C2HB) - O192-19 (C2LB) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1112595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Battery ECU Assembly)
      *b to No. 14 CAN Junction Connector

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY ECU ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    See step  28

  27. CHECK FOR SHORT IN CAN BUS LINES (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the I173 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
      O192-9 (CA2H) - O192-8 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher
      GTY1112594Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Battery ECU Assembly)
      *b to Central Gateway ECU (Network Gateway ECU)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  28. CHECK FOR SHORT IN CAN BUS LINES (NO. 14 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Reconnect the O192 battery ECU assembly connector.
    2. Disconnect the I223 No. 14 CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1116947Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-4 (CANH) - I223-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 14 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 

    Result: 

    OK 

    See step  29

  29. CHECK FOR SHORT IN CAN BUS LINES (NO. 14 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-2 (CANH) - I223-6 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  31

    Result: 

    OK 

    See step  30

  30. CHECK FOR SHORT IN CAN BUS LINES (NO. 14 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1119260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-1 (CANH) - I223-5 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 14 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  32

  31. CHECK FOR SHORT IN CAN BUS LINES (NO. 14 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the I3 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-2 (CANH) - I223-6 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 14 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  32. CHECK FOR SHORT IN CAN BUS LINES (INVERTER WITH CONVERTER ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 
    1. Reconnect the I223 No. 14 CAN junction connector.
    2. Disconnect the A155 inverter with converter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-5 (CANH) - A155-6 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1114625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)
      *b to No. 14 CAN Junction Connector

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  33

  33. CHECK FOR SHORT IN CAN BUS LINES (INVERTER WITH CONVERTER ASSEMBLY - ECM) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-13 (CADH) - A155-14 (CADL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1114624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)
      *b to ECM

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    See step  34

  34. CHECK FOR SHORT IN CAN BUS LINES (INVERTER WITH CONVERTER ASSEMBLY - ECM) 
    1. Disconnect the A46 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-13 (CADH) - A155-14 (CADL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher
      GTY1114624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)
      *b to ECM

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - ECM) 

  35. CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the I173 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1115373Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      I173-26 (CA4H) - I173-25 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]

    Result: 

    NG 

    See step  36

  36. CHECK FOR OPEN IN CAN MAIN BUS LINES (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Reconnect the I173 central gateway ECU (network gateway ECU) connector.
    2. Disconnect the O192 battery ECU assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-9 (CA2H) - O192-8 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1112594Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Battery ECU Assembly)
      *b to Central Gateway ECU (Network Gateway ECU)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (BATTERY ECU ASSEMBLY - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

    Result: 

    OK 

    See step  37

  37. CHECK FOR OPEN IN CAN MAIN BUS LINES (BATTERY ECU ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      O192-20 (C2HB) - O192-19 (C2LB) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1112595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Battery ECU Assembly)
      *b to No. 14 CAN Junction Connector

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY ECU ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    See step  38

  38. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 14 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Reconnect the O192 battery ECU assembly connector.
    2. Disconnect the I223 No. 14 CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1116947Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-4 (CANH) - I223-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 14 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 

    Result: 

    OK 

    See step  39

  39. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 14 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1119260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I223-1 (CANH) - I223-5 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 14 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  40

  40. CHECK FOR OPEN IN CAN MAIN BUS LINES (INVERTER WITH CONVERTER ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 
    1. Reconnect the I223 No. 14 CAN junction connector.
    2. Disconnect the A155 inverter with converter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-5 (CANH) - A155-6 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1114625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)
      *b to No. 14 CAN Junction Connector

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - NO. 14 CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  41

  41. CHECK FOR OPEN IN CAN MAIN BUS LINES (INVERTER WITH CONVERTER ASSEMBLY - ECM) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A155-13 (CADH) - A155-14 (CADL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1114624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Inverter with Converter Assembly)
      *b to ECM

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    See step  42

  42. CHECK FOR OPEN IN CAN MAIN BUS LINES (ECM) 
    1. Reconnect the A155 inverter with converter assembly connector.
    2. Disconnect the A46 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A46-9 (CFDH) - A46-10 (CFDL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1118000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to ECM)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (ECM - INVERTER WITH CONVERTER ASSEMBLY) 

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