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.
Chart C, Loss Of ECCP Communications (Non-CRT Equipped TORONADO & TROFEO)
When ECCP communications are lost, service diagnostics usually cannot be entered, but a quick scan of panel will usually help isolate source of fault. ECCP is powered by ignition. If power source is lost, IPC will usually display ELECTRICAL PROBLEM. Loss of serial data will result in 3 dashes being shown on panel VF display. This indicates power and ground are okay. If the panel displays normal outside or interior set temperature, power, ground and serial communications are being received, indicating need to replace panel.
- This step checks for power and ground to panel. Test light should be on for both power to ground checks.
- This step checks for serial data voltage. Normal voltage should be above one volt and varying.
NO RELATED
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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.