check AUDI A6 1998 C5 / 2.G AHA Engine On Board Diagnostic User Guide
[x] Cancel search | Manufacturer: AUDI, Model Year: 1998, Model line: A6, Model: AUDI A6 1998 C5 / 2.GPages: 97, PDF Size: 0.31 MB
Page 27 of 97
Circ.
Range/Performance Dcy
- Check Throttle Position (TP) sensor -G69- page
24
-128
P0122 16506 Throttle/Pedal Pos. Sensor A
Circ.
Low Input
P0123 16507 Throttle/Pedal Pos. Sensor A
Circ.
High Input
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Page 28 of 97
01-20
Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG
P0130 16514 O2 Sensor Circ.,
Bank1-Sensor1
Malfunction 2
Dcy - Check Heated Oxygen Sensor (HO2S) -G39- and O2S control
(bank 1, sensor1) page 24
-22
P0131 16515 O2 Sensor Circ.,
Bank1-Sensor1
Low Voltage
P0132 16516 O2 Sensor Circ.,
Bank1-Sensor1
High Voltage
P0133 16517 O2 Sensor Circ.,
Bank1-Sensor1
Slow Response 2
Dcy - Check HO2S -G39- aging (bank 1, sensor1) page 24
-60
P0134 16518 O2 Sensor Circ.,
Bank1-Sensor1
No Activity Detected 2
Dcy - Check HO2S -G39- and O2S control (bank 1, sensor1) page
24
-22
P0136 16520 O2 Sensor Circ.,
Bank1-Sensor2
Malfunction 2
Dcy - Check Oxygen Sensor (O2S) behind Three Way Catalytic
Converter (TWC) -G130- (bank 1, sensor 2) page 24
-42
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Page 30 of 97
01-21
Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG
P0150 16534 O2 Sensor Circ.,
Bank2-Sensor1
Malfunction 2
Dcy - Check Heated Oxygen Sensor (HO2S) -G108- and Oxygen
Sensor (O2S) control (bank 2, sensor 1) page 24
-22
P0151 16535 O2 Sensor Circ.,
Bank2-Sensor1
Low Voltage
P0152 16536 O2 Sensor Circ.,
Bank2-Sensor1
High Voltage
P0153 16537 O2 Sensor Circ.,
Bank2-Sensor1
Slow Response 2
Dcy - Check HO2S -G108- aging (bank 2, sensor 1) page 24
-63
P0154 16538 O2 Sensor Circ.,
Bank2-Sensor1
No Activity Detected 2
Dcy - Check HO2S -G108- and O2S control (bank 2, sensor 1)
page 24
-22
P0156 16540 O2 Sensor Circ.,
Bank2-Sensor2
Malfunction 2
Dcy - Check O2S 2 behind Three Way Catalytic Converter (TWC) -
G131- (bank 2, sensor 2) page 24
-52
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Page 32 of 97
01-22
Diagnostic Trouble Code
(DTC)
Malfunction text
MIL
Corrective action
SAE
VAG
P0300 16684 Random/Multiple
Cylinder
Misfire Detected 2 Dcy /
blink - Fuel level too low, check fuel level and add if
necessary
- Check misfire detection page 28
-16
- Check fuel injectors page 24
-102
- Carry out output Diagnostic Test Mode (DTM)
page 01
-51
- Check engine speed (RPM) sensor -G28- page 24
-88
P0301 16685 Cyl. 1
Misfire Detected
P0302 16686 Cyl. 2
Misfire Detected
P0303 16687 Cyl. 3
Misfire Detected
P0304 16688 Cyl. 4
Misfire Detected
P0305 16689 Cyl. 5
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Page 34 of 97
01-23
Diagnostic Trouble Code
(DTC)
Malfunction text
MIL
Corrective action
SAE
VAG
P0321 16705 Ign./Distributor Eng. Speed Inp. Circ.
Range/Performance 2 Dcy
- Check engine speed (RPM) sensor -
G28- page 24
-88
P0322 16706 Ign./Distributor Eng. Speed Inp. Circ.
No Signal Immed.
Note on misfire malfunctions:
For malfunctions that may be caused by low fuel volume (i.e. combustion misfire) a low-fuel malfunction (DTC "P1250") is also
stored when there is less than 2 gallons of fuel remaining in the tank.
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Page 35 of 97
01-24
Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG
P0327 16711 Knock Sensor1
Circ.
Low Input Immed.
- Check knock sensors and knock sensor control page 28
-8
P0328 16712 Knock Sensor1
Circ.
High Input
P0332 16716 Knock Sensor2
Circ.
Low Input
P0333 16717 Knock Sensor2
Circ.
High Input
P0411 16795 Sec. Air Inj. Sys.
Incorrect Flow
Detected 2 Dcy
- Check Secondary Air Injection (AIR) system Repair Manual,
2.8 Liter V6 5V Engine Mechanical, Repair Group 26 P0422 16806 Main Catalyst,
Bank1
Efficiency Below
Threshold 2 Dcy
- Check Heated Oxygen Sensor (HO2S) -G39- and O2S control
(bank 1, sensor1) page 24
-22
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Page 36 of 97
01-25
Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG
P0432 16816 Main Catalyst, Bank2
Efficiency Below Threshold 2
Dcy - Check HO2S -G108- and O2S control (bank 2, sensor 1)
page 24
-22
P0441 16825 EVAP Emission Contr. Sys.
Incorrect Purge Flow Off
- Check Evaporative Emissions (EVAP) canister purge
regulator valve -N80- output Diagnostic Test Mode
(DTM), page 01
-51
P0442 16826 EVAP Emission Contr. Sys.
(Small Leak)
Leak Detected Off
- Check Evaporative Emission (EVAP) system Repair
Manual, Fuel Supply System, Repair Group 20 P0455 16839 EVAP Emission Contr. Sys.
(Gross Leak)
Leak Detected Off
- Check Evaporative Emission (EVAP) system Repair
Manual, Fuel Supply System, Repair Group 20 P0501 16885 Vehicle Speed Sensor
Range/Performance 2
Dcy - Check vehicle speed signal page 24
-168
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Page 37 of 97
01-26
Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG
P0506 16890 Idle Control System
RPM Lower Than Expected 2
Dcy - Check idle speed page 24
-16
- Check throttle valve control module page 24
-128
- Check fuel pressure, fuel pressure regulator, and
residual fuel pressure page 24
-111
P0507 16891 Idle Control System
RPM Higher Than Expected
P0601 16985 Internal Contr. Module
Memory
Check Sum Error 2
Dcy Replace ECM page 01
-68
P0604 16988 Internal Contr. Module
Random Access
Memory (RAM) Error
P1102 17510 O2 Sensor Heating Circ.,
Bank1-Sensor1
Short to B+ 2
Dcy - Check Oxygen Sensor (O2S) heater -Z19- (bank 1,
sensor 1, before TWC) page 24
-34
P1105 17513 O2 Sensor Heating Circ.,
Bank1-Sensor2
Short to B+ 2
Dcy - Check O2S heater -Z29- (bank 1, sensor 2, behind
TWC) page 24
-52
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Page 38 of 97
P1107 17515 O2 Sensor Heating Circ.,
Bank2-Sensor1
Short to B+ 2
Dcy - Check O2S heater -Z28- (bank 2, sensor 1, before
TWC) page 24
-34
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Page 39 of 97
01-27
Diagnostic Trouble
Code (DTC)
Malfunction text
MIL
Corrective action
SAE
VAG
P1110 17518 O2 Sensor Heating Circ.,
Bank2-Sensor2
Short to B+ 2
Dcy - Check O2S heater -Z30- (bank 2, sensor 2, behind TWC)
page 24
-52
P1127 17535 Long Term Fuel Trim
mult., Bank1
System too Rich 1) 2
Dcy - Check Mass Air Flow (MAF) sensor -G70- page 24
-68
- Check Heated Oxygen Sensor (HO2S) -G39- (bank 1, sensor
1) and O2S control page 24
-22
- Check Oxygen Sensor (O2S) behind Three Way Catalytic
Converter (TWC) -G130- (bank 1, sensor 2) and O2S control
page 24
-42
- Check fuel pressure, fuel pressure regulator and residual fuel
pressure page 24
-111
- Check fuel injectors page 24
-102
and Output Diagnostic
Test Mode (DTM) page 01
-51
1) The term "mult." = multiplicative; applies to entire engine speed (RPM) and load range.
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