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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 128 (ENGINE CONTROL SYSTEM SELF DIAGNOSTICS)SELF-DIAGNOSTIC SYSTEMINTERMITTENT PROBLEM CHECK (HAND-HELD TESTER ONLY)
2004 Toyota Matrix XR, FWD, Standard

Intermittent Problem Check (Hand-Held Tester Only)

2004 Toyota Matrix XR, FWD, StandardSECTION Intermittent Problem Check (Hand-Held Tester Only)
WARNING: This page is about a different car, the 2003 Toyota Matrix and 2003 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: By putting vehicle's ECM in check mode, 1 trip detection logic is possible instead of 2 trip detection logic and sensitivity to detect open circuits is increased. This makes it easier to detect intermittent problems.
  1. Clear DTC. See CLEARING DIAGNOSTIC TROUBLE CODES .
  2. Set check mode. See CHECK MODE CODE RETRIEVAL  under RETRIEVING DIAGNOSTIC TROUBLE CODES.
  3. Simulate conditions of malfunction described by customer.
  4. Check connector and terminal.
  5. Handle connector.
RENDER: 1.0x

NO RELATED

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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.