1997 AUDI A8 AHA Engine On Board Diagnostic Workshop Manual

operating temperature.
Pa
ge 25 of 97 On Board Dia
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01-19

Diagnostic Trouble Code
(DTC)
Malfunction text
MIL
Corrective action
SAE
VAG



P0102 16486 Mass or Volume Air Flow
Circ.
Low Input 2
Dcy - Check Mass Air Flow (MAF) sensor -G70- page 24
-68

P0103 16487 Mass or Volume Air Flow
Circ.
High Input
P0112 16496 Intake Air Temp. Circ.
Low Input 2
Dcy - Check Intake Air Temperature (IAT) sensor -G42-
page 24
-82

P0113 16497 Intake Air Temp. Circ.
High Input
P0116 16500 Engine Coolant Temp. Circ.
Range/Performance 2
Dcy - Check Engine Coolant Temperature (ECT) sensor -
G62- page 24
-75

P0117 16501 Engine Coolant Temp. Circ.
Low Input
P0118 16502 Engine Coolant Temp. Circ.
High Input
P0121 16505 Throttle/Pedal Pos. Sensor A 2
Pa
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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
Pa
ge 27 of 97 On Board Dia
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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

Pa
ge 28 of 97 On Board Dia
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P0137 16521 O2 Sensor Circ.,
Bank1-Sensor2
Low Voltage
P0138 16522 O2 Sensor Circ.,
Bank1-Sensor2
High Voltage
P0140 16524 O2 Sensor Circ.,
Bank1-Sensor2
No Activity Detected
Pa
ge 29 of 97 On Board Dia
gnostic
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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

Pa
ge 30 of 97 On Board Dia
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)
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P0157 16541 O2 Sensor Circ.,
Bank2-Sensor2
Low Voltage
P0158 16542 O2 Sensor Circ., Bank
2-Sensor2
High Voltage
P0160 16544 O2 Sensor Circ.,
Bank2-Sensor2
No Activity Detected
Pa
ge 31 of 97 On Board Dia
gnostic
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)
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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

Pa
ge 32 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
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pair&id=AUDI.B5.FU03.01.1