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.
Work Support Mode
This mode can be used for the following functions:
- FUEL PRESSURE RELEASE
Use to release fuel pressure. Fuel pump will stop by touching START during engine idling. Crank a few times after engine stalls. - IDLE AIR VOL LEARN
Use to perform idle air volume learning. - SELF-LEARNING CONT
Use to clear the coefficient of self-learning control value. Air/fuel mixture ratio returns to the original coefficient. - EVAP SYSTEM CLOSE
Use when testing EVAP system for leaks. This will open vacuum cut valve by-pass valve and close EVAP canister vent control valve in order to seal EVAP system under the following conditions:- Ignition switch on.
- Engine not running.
- Ambient temperature is above 32°F (0°C).
- No vacuum and no high pressure in EVAP system.
- Fuel tank temperature is more than 32°F (0°C).
- Within 10 minutes after starting EVAP SYSTEM CLOSE.
NOTE: When starting engine, CONSULT-II may display BATTERY VOLTAGE IS LOW. Charge battery, even if using charged battery. - TARGET IDLE RPM ADJ
Use when setting target idle speed. This function is usually unnecessary. - TARGET IGNITION TIMING ADJ
Use when adjusting target ignition timing. After adjustment, verify target ignition timing with a timing light.
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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