SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 547 (ENGINE IMMOBILIZER SYSTEM - DIAGNOSTICS)PRE - CHECK
2004 Toyota Matrix XR, FWD, Standard

Pre - Check

2004 Toyota Matrix XR, FWD, StandardSECTION Pre - Check
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. DIAGNOSIS SYSTEM
    1. Check the DLC3.

      The vehicle's ECM uses ISO 9141-2 for communication. The terminal arrangement of DLC3 complies with SAE J1962 and matches the ISO 9141-2 format.

  2. INSPECT DIAGNOSIS 
    1. Check the DTC using SST check wire.
      1. Turn the ignition switch ON, but do not start the engine.
      2. When checking DTC 99: Using SST, connect terminal 13 (TC) and 4 (CG) of DLC3.
      3. When checking except DTC 99: Using SST, connect terminals 8 (OP3) and 4 (CG) of DLC3.

        SST 09843-18040

        Fig 1: Identifying CG, (OP3) And (CG) Terminals Of DLC3
        G02838762Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Read the DTC indicated by the number of times the security indicator light or the MIL blinks.
        NOTE:
        • If the DTC is not output, inspect the diagnosis circuit and security indicator light circuit (See SECURITY INDICATOR LIGHT CIRCUIT , DIAGNOSIS CIRCUIT ).
        • If the system is operating normally, the light blinks 2 times per second.
        • As an example, the blinking patterns of normal code 12 and code 99 are shown on the left and on the next section.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.