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.
System Overview
Trionic engine management system uses an Electronic Control Module (ECM) located next to glove box on right side. See Fig 1.
If any monitored malfunction is detected by ECM, Malfunction Indicator Light (MIL) will display CHECK ENGINE on instrument cluster and a Diagnostic Trouble Code (DTC) may be stored in ECM memory. MIL may also be referred to as CHECK ENGINE light. DTCs can be retrieved or erased using a scan tool connected to Data Link Connector (DLC). See RETRIEVING DIAGNOSTIC TROUBLE CODES .
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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