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.
DTC P0340: Camshaft Position Sensor Circuit Malfunction
1996 Kia Sephia RS, 1.6 3SECTION DTC P0340: Camshaft Position Sensor Circuit Malfunction
Camshaft position sensor circuit malfunction code may be set by:
- Camshaft position sensor malfunction.
- Open or short circuit between distributor terminal No. 3 and PCM connector C249 terminal No. 16 (1.6L and 1.8L).
- Open or short circuit between distributor terminal No. 4 and PCM connector C249 terminal No. 4 (1.6L) or distributor terminal No. 1 and PCM connector C249 terminal No. 1 (1.8L).
- Check PCM and distributor connectors. Repair as needed. Go to next step.
- Disconnect distributor. Check continuity between distributor connector terminal No. 3 and PCM connector C249 terminal No. 16 (1.6L and 1.8L). Check continuity between distributor connector terminal No. 4 and PCM connector C249 terminal No. 4 (1.6L) or distributor terminal No. 1 and PCM connector C249 terminal No. 1 (1.8L). Repair or replace wiring as needed. Go to next step.
- Check camshaft position sensor. See SYSTEM/COMPONENT TESTS article. Replace as needed. Go to next step.
- Clear code. Recheck codes. If code returns, replace PCM. If code does not return, problem is intermittent.
RENDER: 1.0x
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.