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Inspection Procedure

  1. CHECK WIRE HARNESS (DLC3 - SKID CONTROL ECU AND BODY GROUND) 
    Fig 1: Checking Wire Harness (DLC3 - Skid Control ECU And Body Ground)
    G05290705Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S7 ECU connector.
    2. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      D1-12 (TS) - S7-12 (TS) Below 1 Ω
      D1-4 (CG) - Body ground Below 1 Ω
      S7-12 (TS) - Body ground 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK: REPLACE SKID CONTROL ECU 

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