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Home >> Lexus >> 2002 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (Can Communication System - Diagnosis) >> Yaw Rate Sensor Communication Stop Mode >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK CAN BUS LINE FOR DISCONNECTION (YAW RATE SENSOR SUB BUS LINE) 
    1. Turn the power switch off.
    2. Disconnect the yaw rate sensor connector (Y1).
    3. Measure the resistance according to the value(s) in the table below.

    Standard: 

    TESTER CONNECTION SPECIFIED VALUE

    Tester Connection Condition Specified value
    Y1-2 (CANL) - Y1-3 (CANH) Power Switch OFF 54 to 69 Ω
    Fig 1: Identifying (Y1) Yaw Rate Sensor Connector Terminals
    G02919880Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE YAW RATE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L) 

    OK: Go to next step. 

  2. CHECK WIRE HARNESS (IG, GND) 
    1. Measure the resistance according to the value(s) in the table below.
    2. Measure the voltage according to the value(s) in the table below.

    Standard: 

    TESTER CONNECTION SPECIFIED VALUE

    Tester Connection Condition Specified Condition
    Y1-1 (GND) - Body ground Always Below 1 Ω
    Y1-5 (IG) - Body ground Power Switch ON (IG) 10 to 14 V
    Fig 2: Identifying YAW Rate Sensor Connector Terminals, Measuring Resistance & Voltage
    G02919881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR 

    OK: REPLACE YAW RATE SENSOR