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.
Diagnosis Procedure
- PERFORM DTC CONFIRMATION PROCEDURE 1
- Turn ignition switch ON.
- Erase DTC.
- Perform DTC confirmation procedure. Refer to DTC Confirmation Procedure .
Is the DTC P34C5 displayed again?
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Replace electric IVT control module. Refer to Removal and Installation .
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GO TO 2.
- PERFORM DTC CONFIRMATION PROCEDURE 2
Start the engine and let it idle.
Is the DTC P34C5 displayed again?
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GO TO 5.
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GO TO 3.
- PERFORM COMPONENT FUNCTION CHECK
Perform "INT V/T ASSIGN ANGLE" in "ACTIVE TEST" mode with CONSULT.
Is electric intake valve timing (IVT) control actuator activate?
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GO TO 4.
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Refer to Diagnosis Procedure .
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Refer to Diagnosis Procedure .
- CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to Intermittent Incident .
Is the inspection result normal?
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Repair or replace error-detected parts.
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INSPECTION END
- CHECK INTAKE VALVE TIMING POSITION BY MEANS OF ACTUAL VALUE 1
- Start the engine.
- Let engine idle for 1 minutes.
- On CONSULT screen, select "ENGINE" >> "DATA MONITOR".
- Check indication value of the "INT/V TIM (B1)" and "INT/V TIM (B2)"
Is the value between "-5° and 5° CA" displayed on CONSULT screen?
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Replace electric IVT control module. Refer to Removal and Installation .
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Refer to Diagnosis Procedure .
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Refer to Diagnosis Procedure .
NO RELATED
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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.