AUDI A6 1997 C5 / 2.G AHA Engine On Board Diagnostic Service Manual

01-29

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



P1129 17537 Long Term Fuel Trim
mult., Bank2
System too Rich 1) 2
Dcy - Check Mass Air Flow (MAF) sensor -G70- page 24
-68
- Check Heated Oxygen Sensor (HO2S) 2 -G108- (bank 2, sensor
1) and O2S control page 24
-22

- Check Oxygen Sensor (O2S) 2 behind Three Way Catalytic
Converter (TWC) -G131- (bank 2, 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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01-30

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



P1130 17538 Long Term Fuel Trim
mult., Bank2
System too Lean 1) 2
Dcy - Check Heated Oxygen Sensor (HO2S) 2 -G108- (bank 2, sensor
1) and O2S control page 24
-22

- Check Oxygen Sensor (O2S) 2 behind Three Way Catalytic
Converter (TWC) -G131- (bank 2, 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

- Check EVAP canister purge regulator valve 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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01-31

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



P1136 17544 Long Term Fuel Trim Add.
Fuel, Bank1
System too Lean 2) 2
Dcy - Check intake air system for leaks ("false air") page 24
-
126

- Check Heated Oxygen Sensor (HO2S) -G39- (bank 1,
sensor 1) and O2S control page 24
-22

- Check Mass Air Flow (MAF) sensor -G70- page 24
-68
- 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

2) The term "Add." = additive; applies only with engine running at idle speed.
Pa
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01-32

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



P1137 17545 Long Term Fuel Trim Add.
Fuel, Bank1
System too Rich 2) 2
Dcy - Check Heated Oxygen Sensor (HO2S) -G39- (bank 1,
sensor 1) and O2S control page 24
-22

- Check fuel pressure, fuel pressure regulator and residual
pressure page 24
-111

- Check exhaust system for leakage Repair Manual, 2.8
Liter V6 5V Engine Mechanical, Repair Group 26
2) The term "Add." = additive; applies only with engine running at idle speed.
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01-33

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



P1138 17546 Long Term Fuel Trim Add.
Fuel, Bank2
System too Lean 2) 2
Dcy - Check intake air system for leaks ("false air") page 24
-
126

- Check Heated Oxygen Sensor (HO2S) 2 -G108- (bank 2,
sensor 1) and O2S control page 24
-22

- Check Mass Air Flow (MAF) sensor -G70- page 24
-68
- 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

2) The term "Add." = additive; applies only with engine running at idle speed.
Pa
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01-34

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



P1139 17547 Long Term Fuel Trim Add.
Fuel, Bank2
System too Rich 2) 2 Dcy
- Check Heated Oxygen Sensor (HO2S) 2 -G108- (bank
2, sensor 1) and O2S control page 24
-22

- Check fuel pressure, fuel pressure regulator and
residual pressure page 24
-111

- Check exhaust system for leakage Repair Manual,
2.8 Liter V6 5V Engine Mechanical, Repair Group 26
P1141 17549 Load Calculation Cross
Check
Range/Performance 2 Dcy
- Check Mass Air Flow (MAF) sensor -G70- page 24
-
68

- Check throttle valve control module page 24
-128
P1171 17579 Throttle Actuation
Potentiometer Signal 2
Range/Performance 1) Immed.
- Check throttle actuation potentiometer page 24
-
136
.
1) With this malfunction the exhaust Malfunction Indicator Light (MIL) is switched on by the ECM, immediately after the
malfunction has been recognized. Significance of MIL page 01
-2 .
2) The term "Add." = additive; applies only with engine running at idle speed.
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01-35

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



P1176 17584 O2 Correction Behind
Catalyst, B1
Limit Attained Off
- Check intake air system for leaks ("false air") page 24
-126

- Check Heated Oxygen Sensor (HO2S) aging (bank 1,
sensor 1) page 24
-60

- Check Oxygen Sensor (O2S) heater -Z29- (bank 1,
sensor 2) page 24
-52

- Check O2S behind TWC (bank 1, sensor 2) page 24
-
42

P1177 17585 O2 Correction Behind
Catalyst, B2
Limit Attained Off
- Check intake air system for leaks ("false air") page
24
-126

- Check Heated Oxygen Sensor (HO2S) 2 aging (bank 2,
sensor 1) page 24
-63

- Check Oxygen Sensor (O2S) 2 heater -Z29- (bank 2,
sensor 2) page 24
-52

- Check O2S 2 behind TWC (bank 2, sensor 2) page 24
-42

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01-36

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



P1196 17604 O2 Sensor Heater Circ.,
Bank1-Sensor1
Electrical Malfunction 2 Dcy
- Check Oxygen Sensor (O2S) heater -Z19- (bank 1,
sensor 1) page 24
-34

P1197 17605 O2 Sensor Heater Circ.,
Bank2-Sensor1
Electrical Malfunction 2 Dcy
- Check Oxygen Sensor (O2S) heater -Z28- (bank 2,
sensor 1) page 24
-34

P1198 17606 O2 Sensor Heater Circ.,
Bank1-Sensor2
Electrical Malfunction 2 Dcy
- Check Oxygen Sensor (O2S) heater -Z29- (bank 1,
sensor 2) page 24
-52

P1199 17607 O2 Sensor Heater Circ.,
Bank2-Sensor2
Electrical Malfunction 2 Dcy
- Check Oxygen Sensor (O2S) heater -Z30- (bank 2,
sensor 2) page 24
-52

P1213 17621 Cyl.1-Fuel Inj. Circ.
Short to B+ Immed.
- Check fuel injectors page 24
-102
and Output
Diagnostic Test Mode (DTM) page 01
-51

P1214 17622 Cyl.2-Fuel Inj. Circ.
Short to B+
- Check fuel injectors page 24
-102
and Output
Diagnostic Test Mode (DTM) page 01
-51

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01-37

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



P1215 17623 Cyl.3-Fuel Inj.
Circ.
Short to B+
- Check fuel injectors page 24
-102
and Output Diagnostic Test
Mode (DTM) page 01
-51

P1216 17624 Cyl.4-Fuel Inj.
Circ.
Short to B+
- Check fuel injectors page 24
-102
and Output Diagnostic Test
Mode (DTM) page 01
-51

P1217 17625 Cyl.5-Fuel Inj.
Circ.
Short to B+
- Check fuel injectors page 24
-102
and Output Diagnostic Test
Mode (DTM) page 01
-51

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01-38

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



P1218 17626 Cyl.6-Fuel Inj.
Circ.
Short to B+ Immed.
- Check fuel injectors page 24
-102
and Output Diagnostic
Test Mode (DTM) page 01
-51

P1225 17633 Cyl.1-Fuel Inj.
Circ.
Short to Ground
P1226 17634 Cyl.2-Fuel Inj.
Circ.
Short to Ground
P1227 17635 Cyl.3-Fuel Inj.
Circ.
Short to Ground
P1228 17636 Cyl.4-Fuel Inj.
Circ.
Short to Ground
P1229 17637 Cyl.5-Fuel Inj.
Circ.
Short to Ground

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