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Home >> Toyota >> 2008 >> Sienna CE >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control System >> Vehicle Stability Control System >> Slip Indicator Light does not Come ON >> Inspection Procedure

Inspection Procedure

NOTE: When replacing the brake actuator assembly, perform zero point calibration (See CALIBRATION  ).
  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if the CAN communication system DTC is output (See DIAGNOSIS SYSTEM ).

      Result 

      RESULT CHART

      Result Proceed to
      CAN communication system DTC is not output A
      CAN communication system DTC is output B

    B: INSPECT CAN COMMUNICATION SYSTEM 

    A: Go to Next Step 

  2. CHECK MULTIPLEX COMMUNICATION SYSTEM 
    1. Check if the multiplex communication system DTC is output (See DTC CHECK / CLEAR ).

      Result 

      RESULT CHART

      Result Proceed to
      Multiplex communication system DTC is not output A
      Multiplex communication system DTC is output B

    B: INSPECT MULTIPLEX COMMUNICATION SYSTEM 

    A: Go to Next Step 

  3. CHECK SLIP INDICATOR LIGHT 
    1. Connect Techstream to the DLC3.
    2. Start the engine.
    3. Select the Active Test mode on Techstream (See DATA LIST / ACTIVE TEST  ).

      ABS / VSC / TRAC: 

      ACTIVE TEST

      Tester Display Test Part Control Range Diagnostic Note
      Slip Indicator Lamp SLIP indicator light Indicator light ON / OFF Observe combination meter
    4. Check that "ON" and "OFF" of the SLIP indicator light are indicated on the combination meter when using Techstream.

      OK: The SLIP indicator light turns on or off in accordance with Techstream. 

      HINT:

      If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE , refer back to the table and proceed to the next step before replacing the part.

    NG: Go to step 4 

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY 

  4. INSPECT COMBINATION METER ASSEMBLY 
    1. Turn the ignition switch off.
    2. Perform Active Test of the combination meter (meter CPU) using Techstream (See DATA LIST / ACTIVE TEST ).

      OK: The SLIP indicator light turns on or off in accordance with Techstream. 

      HINT:

      If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE , refer back to the table and proceed to the next step.

    NG: REPLACE COMBINATION METER ASSEMBLY 

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY