1998 VOLKSWAGEN JETTA key

Downloaded from www.Manualslib.com manuals search engine 01-56


Diagnostic Trouble Code (DTC)
memory, erasing and ending output


Note:
All functions which could previously be
performed with V.A.G 1551 can also be
performed with the tester VAS 5051.

Test requirements:

DTC memory checked Page 01-28 .

1. Erasing DTC memory

-
Press key.
Rapid data transfer HELP
Select function XX Indicated on display
- Press keys -0- and -5-; 05 enters "Erase
DTC memory" function.
Rapid data transfer Q
05 - Erase DTC memor
y
Indicated on display
- Confirm entry with Q key
Rapid data transfer
DTC memory is erased!
Indicated on display
-
Press key.
Rapid data transfer HELP
Select function XX Indicated on display
Стр. 36из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

Downloaded from www.Manualslib.com manuals search engine 01-57


Warning!
DTC memor
y was not interrogated.
Indicated on display
Note:
Adhere exactly to test sequence: First
check DTC memory, then erase
2. Ending output
- Press keys -0- and -6-, to end output.
Rapid data transfer Q
06 - End output Indicated on display
- Confirm input with Q key.
Rapid data transfer HELP
Select function XX Indicated on display
ABS warning light -K47- and warning light
for brake system -K118- must go out after
approx. 2 seconds. - Switch ignition off.
- Disconnect V.A.G 1551 Scan Tool at
Data Link Connector (DLC).
- Switch ignition on.
Стр. 37из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

Downloaded from www.Manualslib.com manuals search engine 01-59


Rapid data transfer HELP
Select function XX Indicated on display
- Input 07 for "Code control module" and
confirm with Q key.
Rapid data transfer Q
07 - Code control module Indicated on display
- Confirm input with Q key.
Coding control module Q
Enter code number XXXXX
(0-32000)
Indicated on display
- Enter relevant code number for this
vehicle and confirm with Q key.
Coding variations Page 01
-60 .
1J0 907 379 D ABS 20 IE CAN 0001
Coding 03604 WSC 00000
On the display the control module
identification and coding are displayed,
e.g.:
Стр. 39из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

Downloaded from www.Manualslib.com manuals search engine 01-63



- Connect V.A.G 1551 Scan Tool and select
address word 03 for"Brake electronics" with
ignition switched on; Page 01
-23
Rapid data transfer HELP
Select function XX Indicated on display
- Press keys 0 and 8 to select function "Read
measured value block".
Rapid data transfer Q
08 - Read measured value block Indicated on display
- Confirm entry with key Q.
Read measured value block
Enter dis
play group number XXX
Indicated on display
- Enter display group number List of selectable
display group numbers, Page 01
-64 .
Стр. 43из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

Downloaded from www.Manualslib.com manuals search engine 01-66



Test sequence and test tables with
measured values

Checking speed sensor allocation

Display group number 001

- Press keys 0, 0 and 1.

- Confirm entry with key Q.
Read measured value block
1
1 2 3 4
There are always 4 display zones -arrows-
in the measured value block. Decoding the
individual values in display zones 1 to 4 can
be read from the following tables.
Read measured value block 1
0 km/h 0 km/h 0 km/h 0 km/h
Indicated on display: (vehicle stationary)
Press C key for the next display group
number entry.
If the key is pressed, keys 0 and 8 for
work sequence "Read measured value
block" must be pressed again afterwards to
regain entry.
Стр. 46из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

Downloaded from www.Manualslib.com manuals search engine 01-68



Checking speed sensor

Display group number 002

- Press keys 0, 0 and 2.

- Confirm entry with key Q.
Read measured value block
2
1 2 3 4
There are always 4 display zones -arrows-
in the measured value block. Decoding the
individual values in display zones 1 to 4 can
be read from the following tables.
Read measured value block 2
255 km/h 255 km/h 255 km/h 255 km/h
Indicated on display: (Vehicle stationary)
Press C key for the next display group
number entry.
If the key is pressed, keys 0 and 8 for
work sequence "Read measured value
block" must be pressed again afterwards to
regain entry.
Стр. 48из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

Downloaded from www.Manualslib.com manuals search engine 01-70



Checking brake light switch for ABS and
ABS/EDL function

Display group number 003

- Press keys 0, 0 and 3

- Confirm entry with key Q.
Read measured value block
3
1 2 3 4
There are always 4 display zones -arrows-
in the measured value block. Decoding the
individual values in display zones 1 to 4 can
be read from the following tables.
Read measured value block 3
0
Indicated on display
Press C key for the next display group
number entry.
If the key is pressed, keys 0 and 8 for
work sequence "Read measured value
block" must be pressed again afterwards to
regain entry.
Стр. 50из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program

Downloaded from www.Manualslib.com manuals search engine 01-72



Checking data bus wiring

Display group number 125

- Press keys 1, 2 and 5

- Confirm entry with key Q.
Read measured value block
125
1 2 3 4
There are always 4 display zones -arrows-
in the measured value block. Decoding the
individual values in display zones 1 to 4 can
be read from the following tables.
Read measured value block
125
Engine 1 4WD 1 Gear. 1
Indicated on display: (vehicle stationary)
Press C key for the next display group
number entry.
If the key is pressed, keys 0 and 8 for
work sequence "Read measured value
block" must be pressed again afterwards to
regain entry.
Стр. 52из 81 ABS ITT Mk 20 IE On Board Diagnostic (OBD) program