AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking

Manufacturer: AUDI, Model Year: 1999, Model line: A6, Model: AUDI A6 1999 C5 / 2.G
Pages: 63, PDF Size: 0.31 MB
AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking A6 1999 C5 / 2.G AUDI AUDI https://www.carmanualsonline.info/img/6/1067/w960_1067-0.png AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking
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Page 11 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 24-85 Evaluation display group 033 Display field: 1 / 3 Possible cause Corrective action Values in range: -10.0 to -25.0 % Oxygen sensor heating faulty- Check oxygen sensor heating Page

Page 12 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 24-86 - Press -C- button. - Press buttons -0-, -3- and -2- to select "display group number 032" and press -Q- button to confirm input. System in Basic Setting 32 1 2 3 4 Whe

Page 13 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 24-87 Evaluation display group 032 Display field: 1 / 3 or 2 / 4 Possible cause Corrective action Oxygen sensor adaptation value in range: -10.0 to .-25.0 % Oil thinning- Oil change or

Page 14 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 24-88 Evaluation display group 032 Display field: 1 / 3 or 2 / 4 Possible cause Corrective action Oxygen sensor adaptation value in range: 10.0 to 25.0 % False air in intake area- Check

Page 15 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 24-89 Checking primary voltage Component location of harness connectors Overview of component locations, page Page 24 -5 Note: Coolant reservoir screws must be rem

Page 16 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 2, page Page 24 -91 . Pa ge 16 of 63 Ox yg en sensor control, checkin g 11/23/2002 htt p://127.0.0.1:8080/audi/servlet/Dis play?action=Goto&t yp e=re pair&id=AUDI.B5.FU05.24.3

Page 17 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 24-90 Check oxygen sensor wires bank 1 for Heated Oxygen Sensor (HO2S) 2 -G39-. Component location of harness connectors Overview of component locations, page Page 24 -5

Page 18 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 24-91 If no malfunctions are found in wires: Check oxygen sensor wires bank 2 for Heated Oxygen Sensor (HO2S) 2 -G108-. Component location of harness connectors Overview of component lo

Page 19 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 24-92 If no malfunctions are found in wires: - Check the following wire connections for open circuit.Harness connector Terminal VAG1598/31 test box Socket 3 12 4 13 - Repair

Page 20 of 63

AUDI A6 1999 C5 / 2.G ATQ Engine Oxygen Sensor Control Checking 24-93 Oxygen sensor aging (oxygen sensor before catalytic converter), checking Special Tools and Equipment VAG1788/10 RPM adjuster Test requirement: VAS5051 with VAG5051/1
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