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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System (W/ Central Gateway Ecu) - Circuit Tests - (Hybrid) >> CAN COMMUNICATION SYSTEM (w/ Central Gateway ECU) >> Circuit Tests >> Open in Bus 5 Main Bus Line [10/2015 - ] >> Procedure

Open in Bus 5 Main Bus Line [10/2015 - ]: Procedure

  1. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      for Models with Blind Spot Monitor System or Parking Assist Monitor System A
      for Models without Blind Spot Monitor System and Parking Assist Monitor System B

    Result: 

    B 

    See step  6

    Result: 

    A 

    See step  2

  2. CHECK FOR OPEN IN CAN BUS LINES (HYBRID VEHICLE CONTROL ECU ASSEMBLY) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the D135 hybrid vehicle control ECU assembly connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY561709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      D135-34 (CA2H) -D135-35 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  REMOVAL [10/2015 - ] 

    Result: 

    NG 

    See step  3

  3. CHECK FOR OPEN IN CAN BUS LINES (CENTRAL GATEWAY ECU) 
    1. Reconnect the D135 hybrid vehicle control ECU assembly connector.
    2. Disconnect the D129 central gateway ECU connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY599296Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Central Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      D129-15 (CA5H) - D129-16 (CA5L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU. Refer to  REMOVAL [10/2015 - ] 

    Result: 

    NG 

    See step  4

  4. CHECK FOR OPEN IN CAN BUS LINES (NO. 7 CAN JUNCTION CONNECTOR) 
    1. Reconnect the D129 central gateway ECU connector.
    2. Disconnect the D132 No. 7 CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Connected to
      D132-1 (CANH) - D132-11 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω No. 5 CAN junction connector
      D132-10 (CANH) - D132-20 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω Central gateway ECU
      GTY551323Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 7 CAN Junction Connector)
      *b to No. 5 CAN Junction Connector
      *c to Central Gateway ECU

      Result

      Result Proceed to
      OK A
      NG (No. 5 CAN junction connector main lines) B
      NG (Central gateway ECU main lines) C

    Result: 

    A 

    REPLACE NO. 7 CAN JUNCTION CONNECTOR 

    Result: 

    C 

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

    Result: 

    B 

    See step  5

  5. CHECK FOR OPEN IN CAN BUS LINES (NO. 5 CAN JUNCTION CONNECTOR) 
    1. Reconnect the D132 No. 7 CAN junction connector.
    2. Disconnect the O21 No. 5 CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Connected to
      O21-8 (CANH) - O21-18 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω Hybrid vehicle control ECU assembly
      O21-10 (CANH) - O21-20 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω No. 7 CAN junction connector
      GTY551325Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 5 CAN Junction Connector)
      *b to Hybrid Vehicle Control ECU Assembly
      *c to No. 7 CAN Junction Connector

      Result

      Result Proceed to
      OK A
      NG (Hybrid vehicle control ECU assembly main lines) B
      NG (No. 7 CAN junction connector main lines) C

    Result: 

    A 

    REPLACE NO. 5 CAN JUNCTION CONNECTOR 

    Result: 

    B 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU ASSEMBLY) 

    Result: 

    C 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 5 CAN JUNCTION CONNECTOR - NO. 7 CAN JUNCTION CONNECTOR) 

  6. CHECK FOR OPEN IN CAN BUS LINES (HYBRID VEHICLE CONTROL ECU ASSEMBLY) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the D135 hybrid vehicle control ECU assembly connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY561709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      D135-34 (CA2H) -D135-35 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  REMOVAL [10/2015 - ] 

    Result: 

    NG 

    See step  7

  7. CHECK FOR OPEN IN CAN BUS LINES (CENTRAL GATEWAY ECU) 
    1. Reconnect the D135 hybrid vehicle control ECU assembly connector.
    2. Disconnect the D129 central gateway ECU connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY599296Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Central Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      D129-15 (CA5H) - D129-16 (CA5L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU. Refer to  REMOVAL [10/2015 - ] 

    Result: 

    NG 

    See step  8

  8. CHECK FOR OPEN IN CAN BUS LINES (NO. 7 CAN JUNCTION CONNECTOR) 
    1. Reconnect the D129 central gateway ECU connector.
    2. Disconnect the D132 No. 7 CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Connected to
      D132-9 (CANH) - D132-19 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω Hybrid vehicle control ECU assembly
      D132-10 (CANH) - D132-20 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω Central gateway ECU
      GTY600345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 7 CAN Junction Connector)
      *b to Hybrid Vehicle Control ECU Assembly
      *c to Central Gateway ECU

      Result

      Result Proceed to
      OK A
      NG (Hybrid vehicle control ECU assembly main lines) B
      NG (Central gateway ECU main lines) C

    Result: 

    A 

    REPLACE NO. 7 CAN JUNCTION CONNECTOR 

    Result: 

    B 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 7 CAN JUNCTION CONNECTOR - HYBRID VEHICLE CONTROL ECU ASSEMBLY) 

    Result: 

    C 

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

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