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CAN COMMUNICATION SYSTEM Yaw Rate Sensor Communication Stop Mode

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DTC Code DTC Name
  Yaw Rate Sensor Communication Stop Mode
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DESCRIPTION

Detection Item Symptom Trouble Area
Yaw Rate Sensor Communication Stop Mode

Either condition is met:


  • "Yaw Rate Sensor" is not displayed on "Bus Check".

  • "Yaw Rate Sensor Communication Stop Mode" in "DTC Combination Table" applies.

  • Power source or inside yaw rate sensor

  • Yaw rate sensor CAN branch wire or connector

  • Yaw rate sensor

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WIRING DIAGRAM

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INSPECTION PROCEDURE

Note:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Tip:

Operating the ignition switch, any switches or any doors triggers related ECU and sensor communication with the CAN, which causes resistance variation.

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PROCEDURE


  1. Click here

    PRECAUTION

    Note:

    After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work (Click here).


  2. Click here

    DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


    1. Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the CAN main wire and CAN branch wire.

      CAUTION:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

      Note:

      When disconnecting the cable, some systems need to be initialized after the cable is reconnected (Click here).


  3. Click here

    CHECK FOR OPEN IN CAN BUS WIRE (YAW RATE SENSOR CAN BRANCH WIRE)


    1. A01IPT7E08

      Disconnect the H68 yaw rate sensor connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connector Switch Condition Specified Condition
      H68-2 (CANH) - H68-3 (CANL) Ignition switch off 54 to 69 Ω
      Table 1. Text in Illustration
      *1

      Front view of wire harness connector

      (to Yaw Rate Sensor)

  4. Click here

    CHECK HARNESS AND CONNECTOR (YAW RATE SENSOR - BATTERY AND BODY GROUND)


    1. A01IPT7E09

      Connect the cable to the negative (-) battery terminal.

      Note:

      When disconnecting the cable, some systems need to be initialized after the cable is reconnected (Click here).

    2. Disconnect the H68 yaw rate sensor connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H68-4 (GNDA) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      H68-1 (IGA) - Body ground Ignition switch ON 11 to 14 V
      Table 2. Text in Illustration
      *1

      Front view of wire harness connector

      (to Yaw Rate Sensor)

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    REPLACE YAW RATE SENSORClick here

  6. Click here

    REPAIR OR REPLACE YAW RATE SENSOR CAN BRANCH WIRE OR CONNECTOR (CANH, CANL)

  7. Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR