engine AUDI A4 1998 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual

[x] Cancel search | Manufacturer: AUDI, Model Year: 1998, Model line: A4, Model: AUDI A4 1998 B5 / 1.G
Pages: 37, PDF Size: 0.15 MB
AUDI A4 1998 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual A4 1998 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1005/w960_1005-0.png AUDI A4 1998 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual
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Page 1 of 37

AUDI A4 1998 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 4 of 37

AUDI A4 1998 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 6 of 37

AUDI A4 1998 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 12 of 37

AUDI A4 1998 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 16 of 37

AUDI A4 1998 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-96 - Switch Fluke 83 multimeter to voltage measurement range and connect between signal wire (trip computer 20-pin connector) and Ground (GND), using wiring diagram. - Start engi

Page 18 of 37

AUDI A4 1998 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 21 of 37

AUDI A4 1998 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

Page 25 of 37

AUDI A4 1998 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-101 Shift procedure, checking Notes: The Engine Control Module (ECM) uses this signal to briefly retard the ignition during shifting to reduce the mechanical jerking felt b

Page 28 of 37

AUDI A4 1998 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-103 Upshift and downshift signals, checking Notes: The Engine Control Module (ECM) uses this signal in connection with the shift signal to determine whether the current si

Page 30 of 37

AUDI A4 1998 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-105 Malfunction Indicator Lamp (MIL) wire from Transmission Control Module (TCM), checking Notes: If a malfunction is recognized by the Engine Control Module (ECM) or the
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