P0317 Code: Crankshaft Position System Variation Not Learned (P0317)
CodePage.genericDisclaimer
Bu ne anlama geliyor?
Code P0317 indicates the crankshaft position system variation has not been learned by the PCM. This requires a relearn procedure.
Most Common Causes for Lexus Es
- Arızalı krank mili konum sensörü
- PCM/ECM yazılımı güncelleme gerektiriyor (TSB)
- Uzamış zaman zinciri veya aşınmış kayış
- Hasarlı, aşınmış veya kopuk kablo tesisatı
Dikkat Edilmesi Gereken Belirtiler
- Motor Arıza Lambası yanar
- Düzensiz veya dengesiz rölanti
- Motor ateşleme kaçırma veya sarsılma hissi
- Motoru çalıştırmada zorluk
CodePage.beforeReplacing
- Check for blown fuses related to the circuit.
- Inspect the wiring harness and electrical connectors for visible damage or corrosion.
- Verify the 12V battery is fully charged, as low voltage can trigger false codes.
- Look for obvious vacuum leaks or cracked hoses under the hood.
Nasıl Teşhis Edilir
CodePage.commonMistakes
A very common mistake when diagnosing the P0317 code is automatically replacing the sensor or component mentioned in the code description without first testing it. Electrical issues, wiring damage, or vacuum leaks are frequently the true cause. Always use a multimeter and live data scanner to verify component failure before spending money on parts.
CodePage.faq
Can I drive with the P0317 code?
If the check engine light is solid, you can usually drive to a safe location or mechanic. If the light is flashing, pull over immediately to prevent catastrophic engine or catalytic converter damage.
Will the P0317 code clear itself?
Once the underlying problem is fixed, the engine computer will run its self-checks. If it passes over several drive cycles, the light will turn off automatically. You can also clear it immediately using an OBD2 scanner.
Will this code fail an emissions test?
Yes. If the Check Engine Light is on due to the P0317 code, your Lexus will automatically fail an OBD2 plug-in emissions or smog test.
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Tamir Zorluğu
Can usually be performed at home with basic hand tools.