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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 85 (Can Communication System (HEV) - Circuit Tests (1 Of 6) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for HV Model) >> DTC U01BD-87: Lost Communication with DC/DC Converter Control Module "C" Missing Message; DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message; DTC U117B-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message [09/2022 - ] >> Procedure

DTC U01BD-87: Lost Communication with DC/DC Converter Control Module "C" Missing Message; DTC U1150-87: Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message; DTC U117B-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message [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.
      GTY1117812Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      I3-9 (CA4H) - I3-22 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal Below 70 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  23

    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.
      GTY1117812Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      I3-9 (CA4H) - I3-22 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal 54 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  17

    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.
      GTY1109959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      I3-9 (CA4H) - I3-13 (BATT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I3-22 (CA4L) - I3-13 (BATT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  11

    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.
      GTY1109958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      I3-9 (CA4H) - I3-1 (E1) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I3-22 (CA4L) - I3-1 (E1)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    INSPECT FOR INTERMITTENT PROBLEMS 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]

    Result: 

    NG 

    See step  5

  5. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the A147 No. 11 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1110589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-2 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A147-13 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  8

    Result: 

    OK 

    See step  6

  6. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1110596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-3 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A147-14 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  7

  7. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1110598Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-4 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A147-15 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 11 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  10

  8. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 11 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.
      GTY1110589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-2 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A147-13 (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 MAIN BUS LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  9. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Disconnect the A156 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1110596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-3 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A147-14 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 

  10. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Disconnect the O192 battery ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1110598Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-4 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A147-15 (CANL) - I26-4 (CG)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY ECU ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 

  11. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the A147 No. 11 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1110599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-2 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A147-13 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  14

    Result: 

    OK 

    See step  12

  12. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1110600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-3 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A147-14 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  15

    Result: 

    OK 

    See step  13

  13. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1117942Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-4 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A147-15 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 11 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  16

  14. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 11 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.
      GTY1110599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-2 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A147-13 (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 MAIN BUS LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  15. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Disconnect the A156 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1110600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-3 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A147-14 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 

  16. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Disconnect the O192 battery ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1117942Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-4 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A147-15 (CANL) - I26-16 (BAT)

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY ECU ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 

  17. CHECK FOR SHORT IN CAN BUS LINES (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Disconnect the A147 No. 11 CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-2 (CANH) - A147-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  20

    Result: 

    OK 

    See step  18

  18. CHECK FOR SHORT IN CAN BUS LINES (NO. 11 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1118628Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-3 (CANH) - A147-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Result
      OK
      NG

    Result: 

    NG 

    See step  21

    Result: 

    OK 

    See step  19

  19. CHECK FOR SHORT IN CAN BUS LINES (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113895Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-4 (CANH) - A147-15 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 11 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  22

  20. CHECK FOR SHORT IN CAN BUS LINES (NO. 11 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.
      GTY1113896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-2 (CANH) - A147-13 (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 MAIN BUS LINES OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

  21. CHECK FOR SHORT IN CAN BUS LINES (NO. 11 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 
    1. Disconnect the A156 inverter with converter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1118628Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Inverter with Converter Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-3 (CANH) - A147-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - INVERTER WITH CONVERTER ASSEMBLY) 

  22. CHECK FOR SHORT IN CAN BUS LINES (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Disconnect the O192 battery ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113895Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-4 (CANH) - A147-15 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY ECU ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 

  23. CHECK FOR OPEN IN CAN MAIN BUS LINES (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.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I3-9 (CA4H) - I3-22 (CA4L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1117661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU)

      Result

      Result 
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    See step  24

  24. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 
    1. Reconnect the I3 hybrid vehicle control ECU connector.
    2. Disconnect the A147 No. 11 CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1113896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Hybrid Vehicle Control ECU

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-2 (CANH) - A147-13 (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. 11 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU) 

    Result: 

    OK 

    See step  25

  25. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 11 CAN JUNCTION CONNECTOR - BATTERY ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113895Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 11 CAN Junction Connector)      		 *b to Battery ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      A147-4 (CANH) - A147-15 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 11 CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  26

  26. CHECK FOR OPEN IN CAN MAIN BUS LINES (BATTERY ECU ASSEMBLY) 
    1. Reconnect the A147 No. 11 CAN junction 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
      O192-22 (CA1H) - O192-21 (CA1L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω
      GTY1112596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Battery ECU Assembly)

      Result

      Result 
      OK
      NG

    Result: 

    OK 

    REPLACE BATTERY ECU ASSEMBLY 

    Refer to REMOVAL [09/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (BATTERY ECU ASSEMBLY - NO. 11 CAN JUNCTION CONNECTOR) 

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