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.
2003 Toyota Corolla LE, AutomaticFACTORY OEM SERVICE PROCEDURE
Service Data
SERVICE DATA - IGNITION
| Spark plug DENSO | SK16R11 |
| Spark plug NGK | IFR5A11 |
| Electrode gap : Standard | 1.1 mm (0.043 in.) |
| Crank position sensor No. 1 Resistance: at cold | 835-1400 Ohms |
| Crank position sensor No. 1 Resistance: at hot | 1060-1643 Ohms |
| Crank position sensor Resistance: at cold | 1630-2740 Ohms |
| Crank position sensor Resistance: at hot | 2065-3225 Ohms |
| Ignition Relay Specified Condition: Between Terminals 1 and 2 | Continuity |
| Ignition Relay Specified Condition: Between Terminals 3 and 5 | No continuity |
Factory Service Tools
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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.
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