Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 10 (ENGINE CONTROLS - ON-VEHICLE ADJUSTMENTS - 4-CYLINDER)IGNITION TIMINGRAV4
2004 Toyota Matrix XR, FWD, Standard
Ignition Timing: RAV4
2004 Toyota Matrix XR, FWD, StandardSECTION RAV4
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Toyota Tacoma, 2002 Toyota RAV4, 2002 Toyota Prius, 2002 Toyota MR2, and 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- Start engine and warm engine to normal operating temperature. Shut engine off. Connect timing light lead to Black/White wire in wiring harness near air cleaner assembly. See Fig 1.
- Apply parking brake. Place transaxle in Neutral. Note location of data link connector No. 3 at driver's side of instrument panel. See Figure. Install Jumper Wire (SST 09843-18020 or SST 09843-18040) between terminals No. 4 (CG) and 13 (TC) on data link connector No. 3. See Figure. Start engine. Engine speed should increase to 900-1500 RPM for 5 seconds and return to idle.
- Check ignition timing with engine idling. Timing marks are located on timing chain cover, near crankshaft pulley. Ensure base timing is within specification at idle with transaxle in Neutral, and with A/C, electric cooling fan and all accessories off. See IGNITION TIMING SPECIFICATIONS table.
- Remove jumper wire from data link connector No. 3. Ensure ECM controlled timing is within specification. See IGNITION TIMING SPECIFICATIONS table. Shut engine off. Remove timing light.
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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.