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.
2004 Toyota Matrix Base, FWD, AutomaticFACTORY OEM SERVICE PROCEDURE
Service Data: 1ZZ-FE
IGNITION SYSTEM (1ZZ-FE) SERVICE SPECIFICATIONS
| Spark plug | Β | |
| Recommended spark plug | DENSO made | SK16R11 |
| NGK made | IFR5A11 | |
| Electrode gap | Standard | 1.1 mm (0.043 in.) |
| Crank position sensor No. 1 | Β | |
| Resistance | at cold | 835 - 1,400Ξ© |
| at hot | 1,060 - 1,645Ξ© | |
| Crank position sensor | Β | |
| Resistance | at cold | 1,630 - 2,740Ξ© |
| at hot | 2,065 - 3,225Ξ© | |
| Ignition relay | Β | |
| Specified condition | Between terminals 1 and 2 | Continuity |
| Between terminals 3 and 5 | No continuity | |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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