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Inspection Procedure

NOTE: When replacing the skid control ECU, perform initialization of linear solenoid valve and calibration (see INITIALIZATION ).
  1. INSPECT BRAKE MASTER STROKE SIMULATOR CYLINDER ASSEMBLY 
    1. Disconnect the brake master stroke simulator cylinder assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Resistance 

      TESTER CONNECTION SPECIFIED CONDITION REFERENCE CHART

      Tester Connection Specified Condition
      1 (BSR) - 2 (SCSS) 22.3 to 38 Ω
    Fig 1: Identifying Brake Master Stroke Simulator Cylinder Assembly Connector Terminals
    G05297095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE BRAKE MASTER STROKE SIMULATOR CYLINDER ASSEMBLY 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU TO BRAKE MASTER STROKE SIMULATOR CYLINDER) 
    1. Disconnect the skid control ECU connector and brake stroke simulator cylinder assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Resistance 

      TESTER CONNECTION SPECIFIED CONDITION REFERENCE CHART

      Tester Connection Specified Condition
      A13-31 (BSO3) - A21-1 (BSR) Below 1 Ω
      A13-40 (SS) - A21-2 (SCSS) Below 1 Ω
    3. Measure the resistance according to the value(s) in the table below.

      Resistance 

      TESTER CONNECTION SPECIFIED CONDITION REFERENCE CHART

      Tester Connection Specified Condition
      A13-31 (BSO3) - Body ground 10 kΩ or higher
      A13-40 (SS) - Body ground 10 kΩ or higher
    Fig 2: Identifying Skid Control ECU And Brake Master Stroke Simulator Cylinder Connector Terminals
    G05297096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. RECONFIRM DTC 
    1. Clear the DTC (see DTC CHECK / CLEAR ).
    2. Turn the engine switch on (IG).
    3. Check if the same DTC is recorded (see DTC CHECK / CLEAR ).

      HINT:

      Reinstall the sensors, connectors, etc. and restore the vehicle to its prior condition before rechecking for DTCs.

    Result 

    RESULT CHART

    Display (DTC Output) Proceed To
    DTC (C1319/35) is not output A
    DTC (C1319/35) is output B

    B: REPLACE SKID CONTROL ECU 

    A: END 

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