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Home >> Lexus >> 2008 >> IS 350 >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication >> Can Communication System >> Steering Angle Sensor Communication Stop Mode >> Inspection Procedure

Inspection Procedure

  1. CHECK OPEN IN CAN BUS WIRE (STEERING ANGLE SENSOR BRANCH LINE) 
    1. Turn the engine switch off.
    2. Disconnect the steering angle sensor connector (J23).
    3. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Condition Specified Value
      J23-10 (CANH) - J23-9 (CANL) Engine switch off 54 to 69 Ω
      Fig 1: Identifying Steering Angle Sensor Connector J23
      G05828592Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE STEERING ANGLE SENSOR BRANCH WIRE OR CONNECTOR (CANH, CANL) 

      OK: Go to Next Step 

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

      Standard resistance 

      RESISTANCE SPECIFICATION CHART

      Tester Connection Condition Specified Value
      J23-2 (ESS) - Body ground Always Below 1 Ω
    2. Measure the voltage according to the value (s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION CHART

      Tester Connection Condition Specified Value
      J23-1 (IG) - Body ground Engine switch on (IG) 10 to 14 V
      Fig 2: Identifying Steering Angle Sensor Connector J23 (IG, ESS)
      G05828593Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      OK: REPLACE STEERING ANGLE SENSOR 

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