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Home >> Lexus >> 2013 >> IS 250 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (Diagnostics & Symptom Tests) >> Can Communication System >> Symptom Tests >> Yaw Rate Sensor Communication Stop Mode >> Procedure

Yaw Rate Sensor Communication Stop Mode: Procedure

  1. CHECK OPEN IN CAN BUS LINE (YAW RATE SENSOR BRANCH LINE) 
    1. Turn the engine switch off.
    2. Disconnect the yaw rate sensor connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY285999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      J91-3 (CANH) - J91-2 (CANL) Engine switch off 54 to 69 Ω

    NG → REPAIR OR REPLACE YAW RATE SENSOR BRANCH LINE OR CONNECTOR (CANH, CANL) 

    OK: Go to next step 

  2. CHECK WIRE HARNESS (IG, GND) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY273438Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      J91-1 (GND) - Body ground Always Below 1 Ω
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      J91-4 (IG) - Body ground Engine switch on (IG) 11 to 14 V

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → REPLACE YAW RATE AND ACCELERATION SENSOR 

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