display AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual

[x] Cancel search | Manufacturer: AUDI, Model Year: 2000, Model line: A4, Model: AUDI A4 2000 B5 / 1.G
Pages: 37, PDF Size: 0.15 MB
AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual A4 2000 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1005/w960_1005-0.png AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual
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Page 1 of 37

AUDI A4 2000 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 3 of 37

AUDI A4 2000 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 6 of 37

AUDI A4 2000 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 2000 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 2000 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 10 of 37

AUDI A4 2000 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

Page 12 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-94 Engine speed (RPM) signal, checking Notes: The RPM signal is routed from the ECM to various electronic systems (e.g. automatic transmission, ABS, etc.). The RPM signal i

Page 18 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-97 Vehicle speed signal, checking Note: The vehicle speed signal originates from the vehicle speed sensor (on the transmission) and is routed to the instrument cluster as we

Page 19 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-98 If no vehicle speed is displayed between standstill and moving: - Switch ignition OFF and connect VAG 1598/19 test box page 01 -255 . - Connect VAG 1527B voltage tes

Page 21 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-99 Transmission Range (TR) selector lever position signal, checking Note: The Engine Control Module (ECM) uses this signal to recognize the transmission range selector leve
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