P1315
Igniter Circuit Malfunction No. 4
2013-2016 Scion FR-S 2.0L H4
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 2013-2016 Scion FR-S?
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 Scion FR-S?
Common symptoms of P1315 include: CEL, Misfire cylinder 4, Rough idle, Reduced power, Vibration.
What causes P1315 on a 2013-2016 Scion FR-S?
Common causes of P1315 include: Faulty ignition coil, Damaged wiring, Worn spark plug, Moisture in coil well.