Ignition system

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. 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 first 1000 revs 1 time threshold Subsequent intervals 4 times threshold	Load changes within 2 revolutions 148 - 431%/s Time from engine start idle - 150 rpm + 1 camshaft revolution Engine load 0% max load Engine speed range Idle 150 RPM-6700 RPM Engine torque > 0 Nm Speed change 3020-4200	---	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 percent misfire>1% Catalyst damage (T>950°C) Rate >2.5 48 %	Load changes within 2 revolutions 148 - 431%/s Time from engine start idle - 150 rpm + 1 camshaft revolution Engine load 0% max load Engine speed range Idle 150 RPM-6700 RPM Engine torque > 0 Nm Speed change 3020-4200	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 percent misfire>1% Catalyst damage (T>950°C) Rate >2.5 48 %	Load changes within 2 revolutions 148 - 431%/s Time from engine start idle - 150 rpm + 1 camshaft revolution Engine load 0% max load Engine speed rangeIdle 150 RPM-6700 RPM Engine torque > 0 Nm Speed change 3020-4200	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 percent misfire>1% Catalyst damage (T>950°C) Rate >2.5 48 %	Load changes within 2 revolutions 148 - 431%/s Time from engine start idle - 150 rpm + 1 camshaft revolution Engine load 0% max load Engine speed rangeIdle 150 RPM-6700 RPM Engine torque > 0 Nm Speed change 3020-4200	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 percent misfire>1% Catalyst damage (T>950°C) Rate >2.5 48 %	Load changes within 2 revolutions 148 - 431%/s Time from engine start idle - 150 rpm + 1 camshaft revolution Engine load 0% max load Engine speed rangeIdle 150 RPM-6700 RPM Engine torque > 0 Nm Speed change 3020-4200	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 percent misfire>1% Catalyst damage (T>950°C) Rate >2.5 48 %	Load changes within 2 revolutions 148 - 431%/s Time from engine start idle - 150 rpm + 1 camshaft revolution Engine load 0% max load Engine speed rangeIdle 150 RPM-6700 RPM Engine torque > 0 Nm Speed change 3020-4200	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 percent misfire>1% Catalyst damage (T>950°C) Rate >2.5 48 %	Load changes within 2 revolutions 148 - 431%/s Time from engine start idle - 150 rpm + 1 camshaft revolution Engine load 0% max load Engine speed rangeIdle 150 RPM-6700 RPM Engine torque > 0 Nm Speed change 3020-4200	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 .	Comparison of counted teeth and number of teeth +/- 1 tooth	---	0.1 Sec	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 .	Comparison with phase sensor signal No engine speed signal	---	5 Sec	Immediate
P0340	Camshaft Position Sensor A Circuit (Bank 1, or single sensor)	Check the Camshaft Position (CMP) Sensor G40. Refer to Camshaft Position (CMP) Sensor G40, checking .	Comparison to engine speed sensor (adaptation) Adaptation values at limit > 30°KW or -30°KW	Engine speed range 600 - 1520 RPM ECT - > 59.25°C	2 Sec	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 .	Comparison to engine speed sensor No alternating signal at reference gap	---	0.5 Sec	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 .	Comparison to engine speed sensor Signal low during 12 crankshaft Revs.	---	0.5 Sec	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 .	Comparison to engine speed sensor Signal low during 12 crankshaft Revs.	---	5 Sec	2 DCY
P0345	Camshaft Position Sensor A Circuit (Bank 2)	Check the Camshaft Position (CMP) Sensor G40. Refer to Camshaft Position (CMP) Sensor G40, checking .	Comparison to engine speed sensor (adaptation) Adaptation values at limit > 30°KW or -30°KW	Engine speed range 600 - 1520 RPM ECT - > 59.25°C	2 Sec	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 .	Comparison to engine speed sensor No alternating signal at reference gap	---	0.5 Sec	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 .	Comparison to engine speed sensor Signal low during 12 crankshaft Revs.	---	0.5 Sec	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 .	Comparison to engine speed sensor Signal low during 12 crankshaft Revs.	---	0.5 Sec	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 .	Short to battery + 5.2 - 8 A Short to ground 0.5-1V Open circuit 5 8.8V	Engine speed - > 80 RPM Battery Voltage 9.0-16.05V	0.5 Sec	2 DCY
P0352	Ignition Coil B Primary/Secondary Circuit (BGN only)	Check the Ignition Coil with Power Output Stage N127. Refer to → Ignition Coils with Power Output Stage, Checking .	Short to battery + 5.2 - 8 A Short to ground 0.5-1V Open circuit 5 8.8V	Engine speed - > 80 RPM Battery Voltage 9.0-16.05V	0.5 Sec	2 DCY
P0353	Ignition Coil C Primary/Secondary Circuit (BGN only)	Check the Ignition Coil with Power Output Stage N291. Refer to → Ignition Coils with Power Output Stage, Checking .	Short to battery + 5.2 - 8 A Short to ground 0.5-1V Open circuit 5 8.8V	Engine speed - > 80 RPM Battery Voltage 9.0-16.05V	0.5 Sec	2 DCY
P0354	Ignition Coil D Primary/Secondary Circuit (BGN only)	Check the Ignition Coil with Power Output Stage N292. Refer to → Ignition Coils with Power Output Stage, Checking .	Short to battery + 5.2 - 8 A Short to ground 0.5-1V Open circuit 5 8.8V	Engine speed - > 80 RPM Battery Voltage 9.0-16.05V	0.5 Sec	2 DCY
P0355	Ignition Coil "E" Primary/Secondary Circuit (BGN only)	Check the Ignition Coil with Power Output Stage N323. Refer to → Ignition Coils with Power Output Stage, Checking .	Short to battery + 5.2 - 8 A Short to ground 0.5-1V Open circuit 5 8.8V	Engine speed - > 80 RPM Battery Voltage 9.0-16.05V	0.5 Sec	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 .	Short to battery + 5.2 - 8 A Short to ground 0.5-1V Open circuit 5 8.8V	Engine speed - > 80 RPM Battery Voltage 9.0-16.05V	0.5 Sec	2 DCY
P0365	Camshaft Position Sensor "B" Circuit (Bank 1)	Check the Camshaft Position (CMP) Sensor 3 G300.	Comparison to engine speed sensor (adaptation) Adaptation values at limit > 30°KW or -30°KW	Engine speed range 600 - 1520 RPM ECT - > 59.25°C	2 Sec	2 DCY
P0366	Camshaft Position Sensor "B" Circuit Range/Performance (Bank 1)	Check the Camshaft Position (CMP) Sensor 3 G300.	Comparison to engine speed sensor (adaptation) Adaptation values at limit > 30°KW or -30°KW	---	0.5 Sec	2 DCY
P0367	Camshaft Position Sensor "B" Circuit Low (Bank 1)	Check the Camshaft Position (CMP) Sensor 3 G300.	Comparison to engine speed sensor Signal low during 12 crankshaft Revs.	---	0.5 Sec	2 DCY
P0368	Camshaft Position Sensor "B" Circuit High (Bank 1)	Check the Camshaft Position (CMP) Sensor 3 G300.	Comparison to engine speed sensor Signal low during 12 crankshaft Revs.	---	0.5 Sec	2 DCY
P0390	Camshaft Position Sensor "B" Circuit (Bank 2)	Check the Camshaft Position (CMP) Sensor 4 G301. Refer to Camshaft Position (CMP) Sensor 4 G301, checking .	Comparison to engine speed sensor (adaptation) Adaptation values at limit > 30°KW or -30°KW	Engine speed range 600 - 1520 RPM ECT - > 59.25°C	2 Sec	2 DCY
P0391	Camshaft Position Sensor "B" Circuit Range/Performance (Bank 2)	Check the Camshaft Position (CMP) Sensor 4 G301. Refer to Camshaft Position (CMP) Sensor 4 G301, checking .	Comparison to engine speed sensor No alternating signal at reference gap	---	0.5 Sec	2 DCY
P0392	Camshaft Position Sensor "B" Circuit Low (Bank 2)	Check the Camshaft Position (CMP) Sensor 4 G301. Refer to Camshaft Position (CMP) Sensor 4 G301, checking .	Comparison to engine speed sensor Signal low during 12 crankshaft Revs.	---	0.5 Sec	2 DCY
P0393	Camshaft Position Sensor "B" Circuit High (Bank 2)	Check the Camshaft Position (CMP) Sensor 4 G301. Refer to Camshaft Position (CMP) Sensor 4 G301, checking .	Comparison to engine speed sensor Signal low during 12 crankshaft Revs.	---	0.5 Sec	2 DCY