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.
Direct Ignition System (2.0L & 2.5L)
The Direct Ignition System (DIS) module monitors crankshaft sensor signals and based on these signals sends a reference signal to ECM. DIS monitors the "sync-pulse" to begin ignition firing sequence during cranking.
When engine speed drops below 400 RPM the module controls spark advance by triggering each of 2 coils at a predetermined interval based on engine RPM only. When engine speed is above 400 RPM, ECM controls spark timing. DIS must receive a "sync-pulse" and then a crank signal in that order to enable engine to start.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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