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Power Source Circuit [09/2014 - ]: Procedure

  1. CHECK TERMINAL VOLTAGE (POWER SOURCE OF LANE DEPARTURE WARNING CAMERA) 
    1. Disconnect the S21 lane departure warning camera connector.
      GTY472326Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      S21-7 (IGB) - Body ground Engine switch on (IG) 11 to 14 V
      S21-7 (IGB) - Body ground Engine switch off Below 1 V
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      S21-11 (GND) - Body ground Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Lane Departure Warning Camera)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   2 

  2. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2014 - ] 
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