Ignition system

WARNING: This page is about a different car, the 2006 Audi TT, 2005 Audi TT, and 2004 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illumination
P0300	Random Misfire Detected	Check the fuel injectors. Refer to → Fuel Injector , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coils with Power Output Stage , Checking . Check the Spark plugs. Refer to → Test Data, Spark Plugs Check the intake system for leaks. Check fuel pressure	Multiple misfire	Time after engine start, idle 150 RPM Camshaft revolutions, 1 Engine speed range, idle 6720 RPM Engine torque, > 0 torque (Nm) IAT, >-30°C ECT at start, >- 30°C Rough road, Not detected		2 DCY
P0301	Cylinder 1 Misfire Detected	Check the fuel injector N30. Refer to → Fuel Injector , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coils with Power Output Stage , Checking . Check the Spark plugs. Refer to → Test Data, Spark Plugs Check the intake system for leaks. Check fuel pressure	Emission threshold misfire rate (MR) >1.6% Catalyst damage misfire rate (MR), > 2.622%	Time after engine start, idle 150 RPM Camshaft revolutions, 1 Engine speed range, idle 6720 RPM Engine torque, > 0 torque (Nm) IAT, >-30°C ECT at start, >- 30°C Rough road, Not detected	1000 Rev. 200 Rev.	2 DCY Immed.
P0302	Cylinder 2 Misfire Detected	Check the fuel injector N31. Refer to → Fuel Injector , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coils with Power Output Stage , Checking . Check the Spark plugs. Refer to → Test Data, Spark Plugs Check the intake system for leaks. Check fuel pressure	Emission threshold misfire rate (MR) >1.6% Catalyst damage misfire rate (MR), > 2.622%	Time after engine start, idle 150 RPM Camshaft revolutions, 1 Engine speed range, idle 6720 RPM Engine torque, > 0 torque (Nm) IAT, >-30°C ECT at start, >- 30°C Rough road, Not detected	1000 Rev. 200 Rev.	2 DCY Immed.
P0303	Cylinder 3 Misfire Detected	Check the fuel injector N32. Refer to → Fuel Injector , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coils with Power Output Stage , Checking . Check the Spark plugs. Refer to → Test Data, Spark Plugs Check the intake system for leaks. Check fuel pressure	Emission threshold misfire rate (MR) >1.6% Catalyst damage misfire rate (MR), > 2.622%	Time after engine start, idle 150 RPM Camshaft revolutions, 1 Engine speed range, idle 6720 RPM Engine torque, > 0 torque (Nm) IAT, >-30°C ECT at start, >- 30°C Rough road, Not detected	1000 Rev. 200 Rev.	2 DCY Immed.
P0304	Cylinder 4 Misfire Detected	Check the fuel injector N33. Refer to → Fuel Injector , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coils with Power Output Stage , Checking . Check the Spark plugs. Refer to → Test Data, Spark Plugs Check the intake system for leaks. Check fuel pressure	Emission threshold misfire rate (MR) >1.6% Catalyst damage misfire rate (MR), > 2.622%	Time after engine start, idle 150 RPM Camshaft revolutions, 1 Engine speed range, idle 6720 RPM Engine torque, > 0 torque (Nm) IAT, >-30°C ECT at start, >- 30°C Rough road, Not detected	1000 Rev. 200 Rev.	2 DCY Immed.
P0305	Cylinder 5 Misfire Detected	Check the fuel injector N83. Refer to → Fuel Injector , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coils with Power Output Stage , Checking . Check the Spark plugs. Refer to → Test Data, Spark Plugs Check the intake system for leaks. Check fuel pressure	Emission threshold misfire rate (MR) >1.6% Catalyst damage misfire rate (MR), > 2.622%	Time after engine start, idle 150 RPM Camshaft revolutions, 1 Engine speed range, idle 6720 RPM Engine torque, > 0 torque (Nm) IAT, >-30°C ECT at start, >- 30°C Rough road, Not detected	1000 Rev. 200 Rev.	2 DCY Immed.
P0306	Cylinder 6 Misfire Detected	Check the fuel injector N84. Refer to → Fuel Injector , Checking . Check the Ignition Coil with Power Output Stage. Refer to → Ignition Coils with Power Output Stage , Checking . Check the Spark plugs. Refer to → Test Data, Spark Plugs Check the intake system for leaks. Check fuel pressure	Emission threshold misfire rate (MR) >1.6% Catalyst damage misfire rate (MR), > 2.622%	Time after engine start, idle 150 RPM Camshaft revolutions, 1 Engine speed range, idle 6720 RPM Engine torque, > 0 torque (Nm) IAT, >-30°C ECT at start, >- 30°C Rough road, Not detected	1000 Rev. 200 Rev.	2 DCY Immed.
P0321	Ignition/Distributor Engine Speed Input Circuit Range/Performance	Check the Engine Speed (RPM) Sensor G28. Refer to → Engine Speed (RPM) Sensor G28 , Checking .	Missing teeth >6 and Engine speed Signal active or Signal correction +/- 1 tooth - >10 in a row		0.5 Seconds	2 DCY
P0322	Ignition/Distributor Engine Speed Input Circuit No Signal	Check the Engine Speed (RPM) Sensor G28. Refer to → Engine Speed (RPM) Sensor G28 , Checking .	Camshaft signals >8 Engine speed, no signal		5 Seconds	2 DCY
P0324	Knock Control System Error	Check the Knock Sensors. Refer to Knock Sensor (KS) , Checking .	Zero test procedure, failed Test impulse zero-test procedure failed	Knock control, Active Engine load, >30-40% Engine speed, >1000 1/min 5200 1/min	60 Seconds	2 DCY
P0327	Knock Sensor 1 Circuit Low Input (Bank 1)	Check the Knock Sensor (KS) 1 G61. Refer to Knock Sensor (KS) 1 G61 , Checking .	Lower threshold, 0.43-4.18 V	Engine speed, > 2200 RPM ECT, > 60°C Knock control, Active Engine load, > 30-40%	0.5 Seconds	2 DCY
P0328	Knock Sensor 1 Circuit High Input (Bank 1)	Check the Knock Sensor (KS) 1 G61. Refer to Knock Sensor (KS) 1 G61 , Checking .	Upper threshold, >20-110 V depending on engine speed	Engine speed, > 2200 RPM ECT, > 60°C Knock control, Active Engine load, > 30-40%	0.5 Seconds	2 DCY
P0332	Knock Sensor 2 Circuit Low Input (Bank 2)	Check the Knock Sensor (KS) 2 G66. Refer to Knock Sensor (KS) 2 G66 , Checking .	Lower threshold, 0.2-3.5 V depending on engine speed	Engine speed, > 2200 RPM ECT, > 60°C Knock control, Active Engine load, > 30-40%	0.5 Seconds	2 DCY
P0333	Knock Sensor 2 Circuit High Input (Bank 2)	Check the Knock Sensor (KS) 2 G66. Refer to Knock Sensor (KS) 2 G66 , Checking .	Upper threshold, >20-110 V depending on engine speed	Engine speed, > 2200 RPM ECT, > 60°C Knock control, Active Engine load, > 30-40%	0.5 Seconds	2 DCY
P0341	Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or single sensor)	Check the Camshaft Position (CMP) Sensor G40. Refer to Camshaft Position (CMP) Sensor G40 , Checking .	Signals compared to engine speed sensor signals, No alternating signal at reverence gap		5 Seconds	2 DCY
P0342	Camshaft Position Sensor A Circuit Low Input (Bank 1 or single sensor)	Check the Camshaft Position (CMP) Sensor G40. Refer to Camshaft Position (CMP) Sensor G40 , Checking .	Short to ground, No phase change		5 Seconds	2 DCY
P0343	Camshaft Position Sensor A Circuit High Input (Bank 1 or single sensor)	Check the Camshaft Position (CMP) Sensor G40. Refer to Camshaft Position (CMP) Sensor G40 , Checking .	Short to battery + No phase change		5 Seconds	2 DCY
P0346	Camshaft Position Sensor A Circuit Range/Performance (Bank 2)	Check the Camshaft Position (CMP) Sensor 2 G163. Refer to Camshaft Position (CMP) Sensor 2 G163 , Checking .	Signals compared to engine speed sensor signals No alternating signal at reverence gap		5 Seconds	2 DCY
P0347	Camshaft Position Sensor A Circuit Low Input (Bank 2)	Check the Camshaft Position (CMP) Sensor 2 G163. Refer to Camshaft Position (CMP) Sensor 2 G163 , Checking .	Short to ground No phase change		5 Seconds	2 DCY
P0348	Camshaft Position Sensor A Circuit High Input (Bank 2)	Check the Camshaft Position (CMP) Sensor 2 G163. Refer to Camshaft Position (CMP) Sensor 2 G163 , Checking .	Short to battery + No phase change		5 Seconds	2 DCY
P0351	Ignition Coil A Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage N70. Refer to → Ignition Coils with Power Output Stage , Checking .	Open circuit Short to ground Short to B +		0.5 Seconds	2 DCY
P0352	Ignition Coil B Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage N127. Refer to → Ignition Coils with Power Output Stage , Checking .	Open circuit Short to ground Short to B +		0.5 Seconds	2 DCY
P0353	Ignition Coil C Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage N291. Refer to → Ignition Coils with Power Output Stage , Checking .	Open circuit Short to ground Short to B +		0.5 Seconds	2 DCY
P0354	Ignition Coil D Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage N292. Refer to → Ignition Coils with Power Output Stage , Checking .	Open circuit Short to ground Short to B +		0.5 Seconds	2 DCY
P0355	Ignition Coil "E" Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage N323. Refer to → Ignition Coils with Power Output Stage , Checking .	Open circuit Short to ground Short to B +		0.5 Seconds	2 DCY
P0356	Ignition Coil "F" Primary/Secondary Circuit	Check the Ignition Coil with Power Output Stage N324. Refer to → Ignition Coils with Power Output Stage , Checking .	Open circuit Short to ground Short to B +		0.5 Seconds	2 DCY