Section 512 (Electronically Controlled Brake System - Diagnosis): Calibration

2004 Toyota Matrix XR, FWD, StandardSECTION Calibration
WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. DESCRIPTION 
    1. Zero point calibration is not performed until the data is cleared when the zero point is once stored. Zero point calibration should be performed after the zero point is cleared if the yaw rate (deceleration) sensor is replaced.
    2. Steering sensor zero point calibration is automatically performed with the vehicle driving straight.
    3. Follow the chart to perform calibration.
    Fig 1: Calibration Table
    G02918094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CLEAR ZERO POINT CALIBRATION 
    1. Clearing the DTCs.
      1. Connect the hand-held tester to the DLC3.
      2. Turn the power switch ON (READY).
      3. Operate the hand-held tester to erase the codes.

      HINT:

      Refer to the hand-held tester Operator's Manual for further details.

  3. PERFORM ZERO POINT CALIBRATION OF YAW RATE SENSOR AND DECELERATION SENSOR 
    Fig 2: Connecting Hand Held Taster To DLC3 And Erasing Codes
    G02918095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.