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.
Retrieving Codes
CHECK ENGINE light may come on indicating a hard or intermittent failure. Locate diagnostic connector behind glove box. See Fig 1 . Connect diagnostic connector terminals with jumper wire. Turn ignition on. Observe CHECK ENGINE light. Light indicates a system failure code by number of blinks.
Single-digit failure codes (1-9) are indicated by individual short blinks. Double-digit failure codes (10-59) are indicated by a series of long and short blinks. The number of long blinks equal the first digit. The number of short blinks equal the second digit. Combine long blinks and short blinks together to determine double-digit failure code(s). See TROUBLE CODE IDENTIFICATION .
If codes other than those listed are indicated, substitute a known good ECU, and recheck. If codes do not reappear, replace ECU.
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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