2003 Toyota Matrix Base, 4WDFACTORY OEM SERVICE PROCEDURE

Data List

NOTE: According to DATA LIST displayed by OBD II scan tool or hand-held tester, you can read value of switch, sensor, actuator and so on without parts removal. Reading DATA LIST as a first step of trouble shooting is one of methods to shorten labor time.
  1. Warm up engine and turn ignition switch OFF.
  2. Connect OBD II scan tool or hand-held tester to DLC3. See Figure.
  3. Turn ignition switch ON. According to display on tester, read DATA LIST.
    • For Corolla and Matrix (1ZZ-FE engine) models, see Fig 1, Fig 3 and Fig 4 .
    • For Matrix (2ZZ-GE engine) model, see Fig 2-Fig 4 .
Fig 1: Identifying DATA LIST (1 Of 3) Corolla & Matrix (1ZZ-FE Engine)
G00241538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.

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