Detailed Description of Error P2320
OBDII error code P2320 stands for ''Ignition Coil ''G'' Secondary Circuit''. This code is triggered when the Engine Control Module (ECM) detects an abnormality in the secondary circuit of ignition coil ''G''. The ''G'' designation typically refers to the specific cylinder or coil that is malfunctioning, but it can vary depending on the vehicle manufacturer and model.
The ignition coil is responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the engine''s cylinders. The secondary circuit of the ignition coil is the part of the circuit that carries the high voltage to the spark plug.
When the ECM detects a problem with the secondary circuit of ignition coil ''G'', it will set the P2320 code and illuminate the Check Engine Light (CEL). This code can be caused by a variety of factors, including a faulty ignition coil, a short circuit in the wiring, or a problem with the spark plug.
Possible Causes of Error P2320
- Faulty ignition coil ''G''
- Short circuit in the wiring of the secondary circuit
- Open circuit in the wiring of the secondary circuit
- Spark plug wire or boot damage
- Spark plug fouling or wear
- Ignition coil driver circuit malfunction
- Engine Control Module (ECM) malfunction
Possible Fixes for Error P2320
- Inspect the ignition coil ''G'' and replace it if necessary
- Check the wiring of the secondary circuit for any signs of damage or wear
- Use a multimeter to test the resistance of the spark plug wire and boot
- Replace the spark plug wire or boot if necessary
- Check the spark plug for fouling or wear and replace it if necessary
- Use a scan tool to monitor the ignition coil driver circuit and replace the ECM if necessary
- Clear the code and test the vehicle to see if the problem is resolved
