P1315
Igniter Circuit Malfunction No. 4
2002-2010 Lexus SC 430 4.3L V8 🇬🇧
High SeverityPowertrain
Description
The ECM is not receiving the IGF signal from ignition coil No. 4.
Symptoms
- CEL
- Misfire cylinder 4
- Rough idle
- Reduced power
- Vibration
Common Causes
- Faulty ignition coil
- Damaged wiring
- Worn spark plug
- Moisture in coil well
Diagnostic Steps
- Test coil resistance
- Swap coils
- Inspect for moisture
- Check spark plug
Repair Notes
Replace ignition coil No. 4.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1315 on Other Vehicles
Common Questions
What does code P1315 mean on a 2002-2010 Lexus SC 430?
P1315 stands for "Igniter Circuit Malfunction No. 4". The ECM is not receiving the IGF signal from ignition coil No. 4.
What are the symptoms of P1315 on a Lexus SC 430?
Common symptoms of P1315 include: CEL, Misfire cylinder 4, Rough idle, Reduced power, Vibration.
What causes P1315 on a 2002-2010 Lexus SC 430?
Common causes of P1315 include: Faulty ignition coil, Damaged wiring, Worn spark plug, Moisture in coil well.