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Inspection Procedure

  1. CHECK CAN BUS LINE FOR DISCONNECTION (STEERING SENSOR SUB BUS LINE) 
    Fig 1: Disconnecting Steering Sensor Connector (S16)
    G03003429Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Turn the ignition switch to the LOCK position.
    2. Disconnect the steering sensor connector (S16).
    3. Measure the resistance according to the value (s) in the table below.

    Standard: 

    STEERING SENSOR CONNECTOR TERMINALS RESISTANCE

    Tester Connection Condition Specified value
    S16-10 (CANH) -S16-9 (CANL) Ignition Switch OFF 54 to 69 Ω

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

    OK: GO TO NEXT STEP 

  2. CHECK WIRE HARNESS (IG1, ESS) 
    Fig 2: Disconnecting Steering Sensor Connector (S16)
    G03003430Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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: 

    STEERING SENSOR CONNECTOR TERMINALS RESISTANCE AND VOLTAGE

    Tester Connection Condition Specified condition
    S16-2 (ESS) - Body ground Always Below 1 Ω
    S16-1 (IG1) - Body ground Ignition Switch ON 10 to 14 V

    NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR 

    OK: REPLACE STEERING SENSOR (SEE  REPLACEMENT  ) 

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