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.
Dual Led System (5 Modes)
Trouble codes are read using the Red and Green LED inspection lights on the side of the ECU. After selecting Mode III, trouble codes corresponding to that mode will start flashing. Trouble codes are indicated by the number of flashes from the ECU Red and Green LED inspection lights. Count the number of flashes. The Red LED indicates the number of tens while the Green LED indicates the number of ones. For example, 3 flashes of the Red LED followed by 2 flashes of the Green LED would indicate code 32.
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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