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On-Vehicle Inspection

NOTE: The DTC may be stored after inspection. Be sure to clear the DTC and check that a normal system code is output after the inspection is finished.
  1. INSPECT BRAKE MASTER CYLINDER 
    1. Check battery voltage.

      Standard battery voltage: 10 to 14 V (during engine stop) 

    2. Connect intelligent tester and pedal effort gauge.
      1. Connect the pedal effort gauge.
      2. Move the shift lever to the P position. Apply the parking brake and connect the intelligent tester to the DLC3.
      3. Turn the power switch ON (IG).
      4. Clear the DTC (see DTC CHECK / CLEAR ).
    3. Check operation w/o brake booster.
      1. Check and adjust brake pedal height (see ADJUSTMENT ).
      2. Check pedal free play (see ADJUSTMENT ).
      3. Check pedal reserve distance (see ADJUSTMENT ).
      4. Turn on the intelligent tester and select "ECB INVALID" to prohibit the brake control (ECB).
      5. Monitor "MAS CYL PRS 1", "MAS CYL PRS 2", "PEDAL STROKE" and "PEDAL STROKE 2" using the intelligent tester.
      6. Check the value output from "MAS CYL PRS 1", "MAS CYL PRS 2", "PEDAL STROKE" and "PEDAL STROKE 2" by depressing the brake pedal.

        Standard output voltage 

        PEDAL STROKE SPECIFICATION

        Pedal Effort N (kgf, lbf) MAS CYL PRS 1 (V) MAS CYL PRS 2 (V) PEDAL STROKE (V) PEDAL STROKE 2 (V)
        200 (20.4, 45) 0.9 to 1.2 0.9 to 1.2 1.7 to 2.1 2.9 to 3.3
        500 (51, 112) 1.7 to 2.2 1.7 to 2.2 1.9 to 2.3 2.7 to 3.1
      7. Finish the brake control prohibition on the intelligent tester.
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