radiator AUDI A4 1996 B5 / 1.G APB Engine Motronic Multiport Fuel Injection System Servising Workshop Manual
Page 31 of 90
24-27
Idle speed, checking
Test conditions
No leaks in exhaust system
Coolant temperature at least 80 C
Electrical consumers switched off (radiator
fan must not run during the check)
A/C switched off
Pressure gauge not connected
Selector lever in position P or N (vehicles
with automatic transmission)
Checking idle speed
Notes:
The idle speed cannot be adjusted.
The idle speed is tested during the basic setting
of the engine.
Pa
ge 31 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
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.FU04.24.1
Page 33 of 90
24-28
- Check DTC memory Page 01
-15
. The DTC
memory must be clear. If necessary, repair any
malfunctions and erase the DTC memory.
Switch off the engine, then start up again. Take
vehicle for a test drive and check DTC memory
again to make sure it is clear.
- Run engine at idle speed.
CAUTION!
The electric radiator fan should not be
running. Rapid data transfer
HELP
Select function XX
Indicated on display
- Press buttons -0- and -4- to select function "Basic Setting" and confirm
entry with -Q- button.
Basic settin
g
Input displa
y group number XXX
Indicated on display
- Press buttons -0- -5- and -6- to select "Display group number 056" and
confirm entry with -Q- button.
Pa
ge 33 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
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.FU04.24.1
Page 69 of 90
24-59
Mass Air FLow (MAF) sensor -G70,
checking
Requirements
Coolant temperature at least 80 C (175 F)
Electrical consumers switched off (radiator
fan must not run during test)
A/C switched off
Fuse for mass air flow sensor OK
Electrical Wiring Diagrams, Troubleshooting &
Component Locations
Checking function
- Connect vehicle diagnostic, testing and
information system VAS5051 or VAG1551 scan
tool and select engine electronics control
module by entering address word "01" Page
01
-9 . When doing this the engine must be at
idle.
Pa
ge 69 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
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.FU04.24.1