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Home >> Lexus >> 2025 >> RX 350h Premium >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnostic Codes (1 Of 3) >> CAN COMMUNICATION SYSTEM (except Gasoline Model) >> DTC U01BD-87: Lost Communication with DC/DC Converter Control Module "C" Missing Message; DTC U0291-00: Lost Communication with Gear Shift Control Module "B" (System 2) Missing Message; DTC U0291-87: Lost Communication with Gear Shift Control Module "B" Missing Message; DTC U029A-87: Lost Communication with Hybrid/EV Battery Sensor Module Missing Message; DTC U1176-87: Lost Communication with Gear Shift Control Module "A" (ch2) Missing Message [10/2022 - 08/2023] >> Procedure
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DTC U01BD-87: Lost Communication with DC/DC Converter Control Module "C" Missing Message; DTC U0291-00: Lost Communication with Gear Shift Control Module "B" (System 2) Missing Message; DTC U0291-87: Lost Communication with Gear Shift Control Module "B" Missing Message; DTC U029A-87: Lost Communication with Hybrid/EV Battery Sensor Module Missing Message; DTC U1176-87: Lost Communication with Gear Shift Control Module "A" (ch2) Missing Message [10/2022 - 08/2023]: Procedure

  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.
      GTY1122620Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      C59-9 (CA4H) - C59-22 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal Below 70 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  38

    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.
      GTY1122620Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      C59-9 (CA4H) - C59-22 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal 54 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  27

    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.
      GTY1122623Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      C59-9 (CA4H) - C59-13 (BATT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C59-22 (CA4L) - C59-13 (BATT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  16

    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.
      GTY1122622Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      C59-9 (CA4H) - C59-1 (E1) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C59-22 (CA4L) - C59-1 (E1)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    INSPECT FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

    Result: 

    NG 

    See step  5

  5. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the C113 No. 19 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-4 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-10 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  11

    Result: 

    OK 

    See step  6

  6. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - SHIFT CONTROL ACTUATOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-5 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-11 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  12

    Result: 

    OK 

    See step  7

  7. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

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

    Result: 

    B 

    See step  9

    Result: 

    A 

    See step  8

  8. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - EV CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-6 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-12 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  13

    Result: 

    OK 

    See step  9

  9. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-3 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-9 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  14

    Result: 

    OK 

    See step  10

  10. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-2 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-8 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 19 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  15

  11. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the C59 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-4 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-10 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  12. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - SHIFT CONTROL ACTUATOR ASSEMBLY) 
    1. Disconnect the B56 shift control actuator assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-5 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-11 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SHIFT CONTROL ACTUATOR ASSEMBLY 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - SHIFT CONTROL ACTUATOR ASSEMBLY) 

  13. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - EV CONVERTER ASSEMBLY) 
    1. Disconnect the B49 EV converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-6 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-12 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE EV CONVERTER ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - EV CONVERTER ASSEMBLY) 

  14. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY) 
    1. Disconnect the C35 transmission floor shift assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-3 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-9 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY) 

  15. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 
    1. Disconnect the z34 battery voltage sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-2 (CANH) - C58-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      C113-8 (CANL) - C58-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 

  16. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the C113 No. 19 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-4 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-10 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  22

    Result: 

    OK 

    See step  17

  17. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - SHIFT CONTROL ACTUATOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-5 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-11 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  23

    Result: 

    OK 

    See step  18

  18. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

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

    Result: 

    B 

    See step  20

    Result: 

    A 

    See step  19

  19. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - EV CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-6 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-12 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  20

  20. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-3 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-9 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  25

    Result: 

    OK 

    See step  21

  21. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-2 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-8 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 19 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  26

  22. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the C59 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-4 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-10 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  23. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - SHIFT CONTROL ACTUATOR ASSEMBLY) 
    1. Disconnect the B56 shift control actuator assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-5 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-11 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SHIFT CONTROL ACTUATOR ASSEMBLY 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - SHIFT CONTROL ACTUATOR ASSEMBLY) 

  24. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - EV CONVERTER ASSEMBLY) 
    1. Disconnect the B49 EV converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-6 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-12 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE EV CONVERTER ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - EV CONVERTER ASSEMBLY) 

  25. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY) 
    1. Disconnect the C35 transmission floor shift assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-3 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-9 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY) 

  26. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 
    1. Disconnect the z34 battery voltage sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-2 (CANH) - C58-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      C113-8 (CANL) - C58-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 

  27. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the C113 No. 19 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-4 (CANH) - C113-10 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  33

    Result: 

    OK 

    See step  28

  28. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - SHIFT CONTROL ACTUATOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-5 (CANH) - C113-11 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  34

    Result: 

    OK 

    See step  29

  29. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

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

    Result: 

    B 

    See step  31

    Result: 

    A 

    See step  30

  30. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - EV CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-6 (CANH) - C113-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  35

    Result: 

    OK 

    See step  31

  31. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-3 (CANH) - C113-9 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  36

    Result: 

    OK 

    See step  32

  32. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-2 (CANH) - C113-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 19 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  37

  33. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the C59 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-4 (CANH) - C113-10 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  34. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - SHIFT CONTROL ACTUATOR ASSEMBLY) 
    1. Disconnect the B56 shift control actuator assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-5 (CANH) - C113-11 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SHIFT CONTROL ACTUATOR ASSEMBLY 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - SHIFT CONTROL ACTUATOR ASSEMBLY) 

  35. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - EV CONVERTER ASSEMBLY) 
    1. Disconnect the B49 EV converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-6 (CANH) - C113-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE EV CONVERTER ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - EV CONVERTER ASSEMBLY) 

  36. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY) 
    1. Disconnect the C35 transmission floor shift assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-3 (CANH) - C113-9 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - TRANSMISSION FLOOR SHIFT ASSEMBLY) 

  37. CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 
    1. Disconnect the z34 battery voltage sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-2 (CANH) - C113-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 

  38. CHECK FOR OPEN IN CAN MAIN BUS LINES (HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the C59 hybrid vehicle control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C59-9 (CA4H) - C59-22 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to 
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    See step  39

  39. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Reconnect the C59 hybrid vehicle control ECU connector.
    2. Disconnect the C113 No. 19 CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-4 (CANH) - C113-10 (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. 19 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

    Result: 

    OK 

    See step  40

  40. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - BATTERY VOLTAGE SENSOR) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C113-2 (CANH) - C113-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 19 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  41

  41. CHECK FOR OPEN IN CAN MAIN BUS LINES (BATTERY VOLTAGE SENSOR) 
    1. Reconnect the C113 No. 19 CAN junction connector.
    2. Disconnect the z34 battery voltage sensor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      z34-2 (CA1H) - z34-3 (CA1L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to 
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (BATTERY VOLTAGE SENSOR - NO. 19 CAN JUNCTION CONNECTOR) 

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