AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual

Manufacturer: AUDI, Model Year: 1999, Model line: A4, Model: AUDI A4 1999 B5 / 1.G
Pages: 37, PDF Size: 0.15 MB
AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1005/w960_1005-0.png AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual
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Page 1 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-88 Auxiliary input signals, checking Rear window defroster signal, checking Requirement Engine Control Module (ECM) coding OK page 01 -247 . Checking

Page 2 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual - Press button.- Select "End Output" function 06. - Press -Q- button to confirm input. Pa ge 2 of 37 Auxiliar y in put si gnals, checkin g 11/22/2002 htt p://127.0.0.1:8080/audi/servlet/Dis play?a

Page 3 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-89 If display value does not change: - Switch ignition OFF and connect VAG 1598/19 test box to ECM harness connector page 01 - 255 . - Connect VAG 1527B voltage tester b

Page 4 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-90 A/C compressor shut-off signal, checking Note: The A/C compressor is switched off during acceleration by the Engine Control Module (ECM) and at wide open throttle by the

Page 5 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual No malfunctions stored in DTC memory Vehicle at room temperature; above 15 C (59 F) Pa ge 5 of 37 Auxiliar y in put si gnals, checkin g 11/22/2002 htt p://127.0.0.1:8080/audi/servlet/Dis play?

Page 6 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-91 Checking - Start engine and let idle. - Switch A/C on, push "AUTO" button, set temperature to "LO" and blower speed to "HI". A/C compressor symbol must light up a

Page 7 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual Read measuring value block 4 1 2 3 4 Indicated on display; note value in display field 4 CAUTION! Do not use the shift inputs (identified by an X) during the RPM increase check. - Switch on

Page 8 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-92 If the specified values are obtained: - Press button. - Select "End Output" function 06. - Press -Q- button to confirm input. If display value changes:

Page 9 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual Pa ge 9 of 37 Auxiliar y in put si gnals, checkin g 11/22/2002 htt p://127.0.0.1:8080/audi/servlet/Dis play?action=Goto&t yp e=re pair&id=AUDI.B5.FU01.24.25

Page 10 of 37

AUDI A4 1999 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-93 If X1X_XX is displayed: - Briefly press accelerator pedal to apply wide open throttle. Display must switch briefly to X0X_XX, then X1X_XX must appear again after several
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