wheel AUDI A4 1998 B5 / 1.G APB Engine Motronic Syst

01-82

Actuating Leak Detection Pump (LDP) -V144-

-
Press button.Output Diagnostic Test Mode EVAP s
ystem leak detection pump

Indicated on display
The change over valve in the LDP is activated for approximately 1 minute
(clicks), unless the button pressed to switch to the next actuator.
Note:
The clicking can be heard by listening in the area of the left rear wheel
housing.
If valve is not actuated (does not click):
Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP system servicing, Checking Leak Detection Pump (LDP)
-V144

Pa
ge 100 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-94
Coding variations of Engine Control Module (ECM)
Country/
Emission standard Power train /
Additional systems Transmission
Type of
vehicle
00 = ------------------ 0 = ------------------ 0 = ------------------ 0 = ---------
---------
01 = ------------------ 1 = ------------------ 1 = 6-speed manual
transmission 1 = A4
02 = ------------------ 2 = ------------------ 2 = ------------------ 2 = ---------
---------
03 = ------------------ 3 = ------------------ 3 = ------------------ 3 = ---------
---------
04 = ------------------ 4 = ------------------ 4 = ------------------ 4 = ---------
---------
05 = ------------------- 5 = ------------------ 5 = 5-speed automatic
transmission (ZF)
(5HP24) 5 = ---------
---------
06 = USA; TLEV (Exhaust emission
standard) NOTE: Vehicles with Leak
Detection Pump (LDP) 6 = All-wheel drive without Anti Slip
Regulation (ASR)/Electronic Stability Program
(ESP) (with CAN-Bus system) 6 = ------------------ 6 = ---------
---------
07 = ----------------- 7 = All-wheel drive with Anti Slip Regulation
(ASR)/Electronic Stability Program (ESP)
(with CAN-Bus system) 7 = ------------------ 7 = ---------
---------
Notes:
Pa
ge 114 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-95

Determine the code number according to the
following example:

USA; TLEV (emission standard) 06
All-wheel drive without ASR/ESP 6
6-Speed manual transmission 1
Audi A4 1
Code number 06 6 1 1
Pa
ge 116 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1