open AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual

[x] Cancel search | Manufacturer: AUDI, Model Year: 1997, Model line: A3, Model: AUDI A3 1997 8L / 1.G
Pages: 37, PDF Size: 0.28 MB
AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual A3 1997 8L / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1081/w960_1081-0.png AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual
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Page 8 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-78 Display group 032 Display field: 1 / 2 Possible cause Corrective action Oxygen sensor adaptation value in range: -10.0 to -25.0 % Leak in intake area (pressure side between turbocha

Page 9 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-79 Display group 032 Display field: 1 / 2 Possible cause Corrective action Oxygen sensor adaptation value in range:10.0 to 25.0 % False air in intake area- Check intake system for leaks

Page 10 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-80 Evaluation display group 033 Display field: 2 Possible cause Corrective action constant about 0.450 V Open circuit in wire 4 between oxygen sensor and control module - Check prima

Page 12 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-82 - Connect VAG1598/31 test box at wiring harness to Engine Control Module (ECM), do not connect ECM Page 24 -19 . If wire connection is OK: - Check following wire connections

Page 24 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-94 Evaluation display group 037 Display field: 2 Possible cause Corrective action constant about 0.450 V Open circuit in wire 4 between oxygen sensor and control module - Check prima

Page 27 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-97 Checking oxygen sensor wires Note: Coolant reservoir screws must be removed and coolant reservoir must be placed to side in order to access the harness connector. The coolant h

Page 28 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-98 - Repair open circuit if necessary. - Check wires to each other for short circuit. If wire connection is OK: - Replace Engine Control Module (ECM) Page 24 -23

Page 34 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-103 If there is no voltage again: - Check wire connection from terminal 1 of connector to Fuel Pump (FP) relay via fuse for open circuit: Electrical Wiring Diagrams,

Page 35 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-104 Oxygen Sensor (O2S) heater -Z19- for oxygen sensor before catalytic converter: Oxygen sensor heater 1 -Z29- for oxygen sensor behind catalytic converter: If wire connection is OK, bu

Page 37 of 37

AUDI A3 1997 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual 24-106 When installing: Note: Oxygen sensor threads are coated with an assembly paste. This paste must not contact sensor openings. Tightening torque: 55 Nm Cable o
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