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.
Counter System Chart
| Items | Fuel Injection System | Misfire | Other | ||||
|---|---|---|---|---|---|---|---|
| MIL (turns OFF) | 3 (pattern B) | 3 (pattern B) | 3 (pattern B) | ||||
| DTC, Freeze Frame Data (no display) | 80 (pattern C) | 80 (pattern C) | 40 (pattern A) | ||||
| 1st Trip DTC (clear) | 1 (pattern C), (1) | 1 (pattern C), (1) | 1 (pattern B) | ||||
| 1st Trip Freeze Frame Data (clear) | (1), (2) | (1), (2) | 1 (pattern B) | ||||
| For details about patterns B and C under "Fuel Injection System" and "Misfire", see
"EXPLANATION FOR DRIVING PATTERNS FOR "MISFIRE < EXHAUST QUALITY DETERIORATION >", "FUEL INJECTION SYSTEM" shown below. For details about patterns A and B under Other, see "EXPLANATION FOR DRIVING PATTERNS FOR "MISFIRE < EXHAUST QUALITY DETERIORATION >", "FUEL INJECTION SYSTEM" shown below. Relationship Between MIL, DTC, 1st Trip DTC and Driving Patterns for "Misfire < Exhaust Quality Deterioration >", "Fuel Injection System"
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Explanation for Driving Patterns for "Misfire < Exhaust Quality Deterioration >", "Fuel Injection System"
Driving Pattern B
Refer to "DIAGNOSIS DESCRIPTION: DRIVING PATTERN ".
Driving Pattern C
Refer to "DIAGNOSIS DESCRIPTION: DRIVING PATTERN ".
Example:
If the stored freeze frame data is as per the following:
Engine speed: 850 rpm, Calculated load value: 30%, Engine coolant temperature: 80°C (176°F)
To be satisfied with driving pattern C, the vehicle should run under the following conditions:
Engine speed: 475 - 1, 225 rpm, Calculated load value: 27 - 33%, Engine coolant temperature: more than 70°C (158°F)
Relationship Between MIL, DTC, 1st Trip DTC and Driving Patterns Except For "Misfire < Exhaust Quality Deterioration >", "Fuel Injection System"
Explanation for Driving Patterns Except for "Misfire < Exhaust Quality Deterioration >", "Fuel Injection System"
Driving Pattern A
Refer to "DIAGNOSIS DESCRIPTION: DRIVING PATTERN ".
Driving Pattern B
Refer to "DIAGNOSIS DESCRIPTION: DRIVING PATTERN ".
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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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