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Steering Sensor Communication Stop Mode: Wiring Diagram

Fig 1: Steering Sensor Communication Stop Mode Wiring Diagram
G04022481Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. CHECK CAN BUS LINE FOR DISCONNECTION (STEERING ANGLE SENSOR SUB BUS LINE) 
    1. Turn the engine switch off.
    2. Disconnect the steering angle sensor (K19).
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED VALUE CHART

      Tester Connection Condition Specified Value
      K19-10 (CANH) - K19-9 (CANL) Engine switch off 54 to 69 Ω

    NG : REPAIR OR REPLACE STEERING ANGLE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L) 

    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 

      Fig 2: Identifying K19 Steering Angle Sensor
      G04022482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TESTER CONNECTION SPECIFIED VALUE CHART

      Tester Connection Condition Specified Value
      K19-2 (ESS) - Body ground Always Below 1 Ω
    2. Measure the voltage according to the value(s) in the table below.
      Fig 3: Identifying K19 Steering Angle Sensor
      G04022483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard voltage 

      TESTER CONNECTION SPECIFIED VALUE CHART

      Tester Connection Condition Specified Value
      K19-1 (IG) - Body ground Engine switch on (IG) 10 to 14 V

    NG : REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR 

    OK : REPLACE STEERING ANGLE SENSOR 

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