AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide

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 User Guide 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 User Guide
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Page 11 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide - Replace ECM page 01 -265 . Pa ge 11 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 12 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide 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 13 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide tester: - Check wiring between ECM terminal C10 and instrument cluster or A/C control module using wiring diagram. If wiring is OK: - Replace ECM page 01 -265 . Pa ge 13 o

Page 14 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide 24-95 Fuel consumption signal, checking Notes: The consumption signal is internally calculated by the ECM using "injection time." The consumption signal is routed to both

Page 15 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide Group 90; Instrument cluster, repairing Repair Manual, 5 Spd. Automatic Transmission 01V, Repair Group 01, On Board Diagnostic - Connect VAG 1598 test box to instrument c

Page 16 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide 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 17 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide If wiring OK and the specified value is not obtained: - Check wiring between ECM terminal C12 and black 20-pin trip computer connector, using wiring diagram. - Replace ECM page 01 -265 . Pa ge

Page 18 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide 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 User Guide 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 20 of 37

AUDI A4 2000 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide vehicle speed sensor, using wiring diagram. If wiring is OK, replace vehicle speed sensor. If voltage tester does not light up (become brighter) or flash, replace ECM page 01 -265 . - Fi
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