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.
Inspection/Maintenance Complete System Set Procedure: Description
The purpose of Inspection Maintenance (I/M) complete system set procedure is to satisfy enable criteria necessary to execute all I/M readiness diagnostics, and to complete the trips (drive cycles) for those particular diagnostics. When all diagnostic tests have been completed, I/M system status indicators are set to YES. Perform this test when more than one or all of the I/M system status indicators are set to NO.
Conditions required to perform I/M complete system set procedure are Barometric Pressure (BARO) more than 74 kPa, Engine Coolant Temperature (ECT) less than 86°F (30°C) and Intake Air Temperature (IAT) less than 86°F (30°C). The difference between IAT and ECT must be 14°F (8°C) or less with battery voltage 9-18 volts and fuel level between 1/4 and 3/4.
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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.