1998 VOLKSWAGEN JETTA check engine

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-
Press key.
The ABS warning light -K47- goes out.
Function is unknown or
cannot be carried out at the moment
Indicated on display
The Output Diagnostic Test Mode (DTM) is
completed
-
Press key.
Rapid data transfer HELP
Select function XX Indicated on display
Note:
There is a malfunction in the system if
the ABS warning light -K47- does not go
out.
Adhere exactly to test sequence: First
check Diagnostic Trouble Code (DTC)
memory, then erase.
- End output (Function 06) Page 01
-56 .
Стр. 70из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

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ABS,
ABS/EDL and
ABS/EDL/ASR
ITT Mark 20
IE, electrical
check
Special tools and
equipment

V.A.G 1598/21
Adapter

V.A.G 1594 A
Adapter set

V.A.G 1526 A
Multimeter

V.A.G 1921 Pliers
Стр. 1из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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The test steps from Page 01-111 are valid
for:
For vehicles on which the On Board Diagnostic
(OBD) does not give any indication of the
source of the malfunction, work through the
complete electrical check.

For vehicles on which the OBD provides a
direct indication of the source of the
malfunction, only carry out the test steps
recommended in the Diagnostic Trouble Code
(DTC) table (directed entry).
An overview of all the test steps in the electrical
check can be found on Page 01
-109 .
Стр. 2из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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Test requirements

Switch ignition and electrical
consumers off before beginning the
check (headlights, lighting, fan ...).

Fuses S9, S13, S178 and S179 must
be OK (remove fuses from fuse holder
to check).

Removing air cleaner
- Pull connector -2- off mass air flow
sensor.
- Release spring-type clip -1- on air duct
hose with pliers V.A.G 1921 and pull
hose off air cleaner.
- Remove air cleaner bolts -3- and take
out air cleaner -4-.
Стр. 3из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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- Release ABS control module (w/EDL) -
J104- connector -arrow 1- and pull off -
arrow 2-.

The specified values are matched to the
V.A.G 1526 and are not necessarily
applicable for other test units. - Connect test box V.A.G 1598/21 -1- to
multi-pin connector of ABS control
module (w/EDL) -J104- (-2-).
Стр. 4из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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Multi-pin connector with contact
assignment


Note:
All contacts not listed are currently not
assigned and must never be connected to
other components!
Contact assignment of connectors for
voltage supply and On Board Diagnostic
(OBD) with V.A.G 1551 Scan Tool
Contact
4 = Ground (terminal 31)
Contact
16 = Positive (terminal 30) to S12
Contact
7 = K wire to contact 7 of multi-
pin connector T25 of ABS
control module (w/EDL) -
J104-
Contact assignment of connector T25
wiring harness/ABS control module
(w/EDL) -J104-
Стр. 5из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

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01-107


Contact
Wiring connection to component ...
1
Left front ABS wheel s peed sensor -G47-
2
Left front ABS wheel s peed sensor -G47-
3
Coding bridge to contact 14
4
Voltage supply to ignition switch
5
Left rear ABS wheel speed sensor -G46-
6
Left rear ABS wheel speed sensor -G46-
7
Connector T16/7, K wire
8
Ground point left in engi ne compartment and Ground connection in engine
compartment wiring harness
9
Voltage supply fr om battery +
10
Data bus wire Wiring diagrams
11 Data bus wire Wiring diagrams
12 Vehicles with navi gation system only
Стр. 6из 31
ABS, ABS/EDL and ABS/EDL/ASR I TT Mark 20 IE, electrical check
Volkswagen Technical Site: http://v olkswagen.msk.ru http://vwts.info http://vwts.ru
огромный архив документации по автомобилям Volkswagen, Skoda, Seat, Audi

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Contact
Wiring connection to component ...
13
Longitudinal acceleration sensor -G251-(all-wheel drive vehicles with Haldex
coupling only)
14
Coding bridge to contact 3
15
Longitudinal acceleration sensor -G251-(four-wheel drive vehicles with Haldex
coupling only)
15
ESP Control lamp -K155- activation (vehicles with ABS/EDL/ASR only)
16
ABS warning light -K47- activation
17
Longitudinal acceleration sensor -G251-(four-wheel drive vehicles with Haldex
coupling only)
18
Brake light switch -F-
19
Right front ABS wheel speed sensor -G45-
20
Right front ABS wheel speed sensor -G45-
21
Vehicles with navigation system only
22
Right rear ABS wheel speed sensor -G44-
23
Right rear ABS wheel speed sensor -G44-
24
Ground point left in engine compartment and Ground connection in engine
compartment wiring harness
25
Voltage supply from battery +
Стр. 7из 31 ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check