A4 1.8T Data Channels

1 Idle speed Engine Coolant temp. O2S control Adjustment conditions
2 Engine speed Engine load Avg. fuel injection time Mass air flow
3 Engine speed Mass air flow Throttle angle Ignition time
4 Engine speed Batt. volts Engine coolant temp. Intake air temp.
5 Engine speed Engine load Vehicle speed Operational status
6 Engine speed Engine load Intake air temp. Corr. of altitude level
10 Engine speed Engine load Throttle angle Ignition time
11 Engine speed Engine Coolant temp. Intake air temp. Ignition time
12 Engine speed Engine load Timing correction Ignition time
14 Engine speed Engine load Misfire sum counter Misfire status
15 Misfire harmful to emiss. cyl.1 Misfire harmful to emiss. cyl.2 Misfire harmful to emiss. cyl.3 Misfire status
16 Misfire harmful to emiss. cyl.4 _ _ Misfire status
18 Lowest eng. speed @ misfire Highest eng. speed @ misfire Lowest eng. load @ misfire Highest eng. load @ misfire
20 Timing corr. cyl.1 Timing corr. cyl.2 Timing corr. cyl.3 Timing corr. cyl.4
22 Engine speed Engine load Timing corr. cyl.1 Timing corr. cyl.2
23 Engine speed Engine load Timing corr. cyl.3 Timing corr. cyl.4
26 Knock sensor volts cyl.1 Knock sensor volts cyl.2 Knock sensor volts cyl.3 Knock sensor volts cyl.4
30 Status HO2S bank1-sensor1 Status HO2S bank1-sensor2 _ _
31 O2S volts before TWC O2S volts after TWC _ _
32 O2S learning value at idle B1-S1 O2S learning value @ part load B1-S1 _ _
33 O2S control before TWC O2S volts before TWC _ _
34 Engine speed Engine load Period of O2S bank1-sensor1 Diagnostic status
36 O2S volts after TWC Status HO2S bank1-sensor2 _ _
37 Engine load O2S volts after TWC Tv to correction Diagnostic status
41 Res. of O2S heater before TWC O2S heater ON/OFF before TWC Res. of O2S heater after TWC O2S heater ON/OFF after TWC
46 Amplitude ratio Exceeded diag. range Test time of TWC diag. Diagnostic status
49 Amplitude ratio Tenp. of TWC Test time of TWC diag. Diagnostic status
50 Actual Eng. speed Spec. Eng. speed A/C status A/C compressor status
51 Actual Eng. speed Spec. Eng. speed Gear recognition Batt. volts
54 Actual Eng. speed Operational status Throttle angle Throttle drive angle
55 Actual Eng. speed Mass air flow for idle speed Learn value to idle mass air flow Operating conditions
56 Actual Eng. speed Spec. Eng. speed Mas air flow for idle Operating conditions
60 Throttle valve angle Throttle drive angle Operational status Adaptation status
61 Actual Eng. speed Batt. volts _ Operating conditions
70 Opening of EVAP valve during Diag. O2S control deviation during diag. IAC valve deviation during diag. Diagnostic status
71 Status reed contact Error message System status Diagnostic status
86 Ready bits Cycling flags Cycling flags Cycling flags
87 Ready bits Error bits Error bits Error bits
88 Idle speed Engine Coolant temp. O2S control O2S control status
98 Throttle valve pot. volts Throttle drive pot. volts Operational status Adaptation status
99 Idle speed Engine Coolant temp. O2S control O2S control status
100 Ready bits Engine Coolant temp. Time since eng. start OBD status
101 Idle speed Engine Coolant temp. Intake air temp. Average fuel inject. time
110 Idle speed Engine Coolant temp. Avg. fuel injection time Throttle angle
111 Idle speed Engine load Throttle angle Operational status
112 Idle speed Engine load Throttle angle Corr. of altitude level
113 Engine speed Engine load Throttle angle Air pressure
114 Spec. eng. load Corr. spec. eng. load Actual eng. load Duty cycle of wastegate valve
120 Idle speed Req. eng. torque Actual eng. torque Traction control status
122 Engine speed Req. eng. torque Actual eng. torque Timing angle retard act/n.act
131 Crankshaft pos. status Section corr. factor _ _
132 Time-dist. for pos. disc adapt. Adapt. count eng. speed sec.2 Adapt. count eng. speed sec.3 Adapt. count eng. speed sec.4
133 Opening of EVAP valve during Diag. Adapt. fuel tank vent. Loading function fuel tank Flowing rate
134 Tv to correction Correction status _ _
135 Throttle pot. in closest pos. Throttle drive pot. in closest pos. Throttle pot. in most open pos. Throttle drive pot. in most open pos.
136 Throttle pos. adapt. sataus Throttle min. position Emerg. air throttle pos. Throttle max. pos.
137 Peroid of leak diagnosis Error message System status Diagnostic status
138 Lowest eng. speed @ misfire Highest eng. speed @ misfire Misfire sum counter Eng. status @ misfire
139 Lowest eng. load @ misfire Highest eng. load @ misfire Misfire sum counter Eng. status @ misfire
140 MIL status Longest drive cycle MIL blinking Total time driving MIL blinking Drive cycles MIL blinking
141 Peroid of leak diagnosis Min peroid of leak Diag. Num. of Leak diag. attempts Diagnostic status