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Home >> Toyota >> 2016 >> Avalon XLE >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System (W/O Central Gateway Ecu) - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> CAN COMMUNICATION SYSTEM (W/O Central Gateway ECU) >> Circuit Tests >> Center Airbag Sensor Communication Stop Mode [10/2014 - ] >> Procedure

Center Airbag Sensor Communication Stop Mode [10/2014 - ]: Procedure

  1. CHECK FOR OPEN IN CAN BUS LINES (AIRBAG ECU ASSEMBLY BRANCH LINE) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the D36 airbag ECU assembly connector.
      GTY597443Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Airbag ECU Assembly)
    3. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D36-13 (CANH) - D36-22 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (AIRBAG ECU ASSEMBLY) 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Measure the resistance according to the value (s) in the table below.
      GTY543848Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Airbag ECU Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      D36-25 (E1) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω
      D36-26 (E2) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω
    2. Connect the cable to the negative (-) battery terminal.
    3. Measure the voltage according to the value (s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      D36-21 (IG2) - Body ground Engine switch on (IG) 11 to 14 V

    OK 

    REPLACE AIRBAG ECU ASSEMBLY 

    Refer to REMOVAL [10/2014 - ] )

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)