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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System - Circuit Tests (Coupe) (1 Of 6) & Diagnostic Codes >> Can Communication System >> Yaw Rate Sensor Communication Stop Mode [03/2017 - 05/2023] >> Procedure

Yaw Rate Sensor Communication Stop Mode [03/2017 - 05/2023]: Procedure

  1. CHECK FOR OPEN IN CAN BUS WIRE (YAW RATE SENSOR BRANCH WIRE) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the yaw rate sensor connector.
      GTY823141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Yaw Rate Sensor)
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P35-3 (CANH) - P35-2 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Result 
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE OR CONNECTOR 

    Result: 

    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.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P35-1 (GND) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω
      GTY823140Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Yaw Rate Sensor)
    2. Reconnect the cable to the negative (-) battery terminal.
      NOTE:

      When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

      Refer to INITIALIZATION [03/2017 - 04/2020] , or refer to INITIALIZATION [04/2020 - 05/2023]

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      P35-4 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V

      Result

      Result 
      OK
      NG

    Result: 

    OK 

    REPLACE YAW RATE SENSOR. Refer to  REMOVAL [03/2017 - 04/2020]  , or refer to  REMOVAL [04/2020 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR