Reading and Clearing Diagnostic Trouble Codes

2010 Toyota Matrix AWD L4-2.4L (2AZ-FE)SECTION Reading and Clearing Diagnostic Trouble Codes




METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DTC CHECK / CLEAR

1. CHECK DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON and turn the Techstream on.

(c) Enter the following menus: Body Electrical / Trouble Codes.

(d) Check for DTCs.

2. CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON and turn the Techstream on.

(c) Enter the following menus: Body Electrical / Combination Meter / Trouble Codes.

(d) Clear the DTCs.
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When to See a Mechanic

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

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