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.
Diagnostic Test
- CHECK MULTI-WAY CONTROL VALVE-1
With CONSULT
- Turn ignition switch ON and engine stopped.
- On the CONSULT screen, select "ENGINE">>"WORK SUPPORT">>"ENGINE COOLANT BYPASS VALVE".
- Check that indication of "ENGINE COOLANT B/V POSI".
Is "205°" or more displayed on CONSULT screen?
YES
GO TO STEP 2 .
NO
Replace multi-way control valve. Refer to REMOVAL AND INSTALLATION .
- CHECK MULTI-WAY CONTROL VALVE-2
With CONSULT
- Start the engine.
- Warm engine up to the normal operating temperature.
- Check the following condition.
COOLANT TEMP/S 10 - 100°C (50 - 212°F) ENG OIL TEMP 120°C (248°F) or less A/C switch OFF - Turn ignition switch OFF and wait at least 10 seconds.
- Start the engine.
- Check "ENGINE COOLANT B/V POSI" approximately 2 seconds after engine start.
Is "40°" or less displayed on CONSULT screen?
YES
INSPECTION END
NO
Replace multi-way control valve. Refer to REMOVAL AND INSTALLATION .
NO RELATED
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.