V.a.g 1551 Scan Tool, Connecting And Selecting Function; Indicated On Display; V.a.g-On Board Diagnostic - Volkswagen Golf 4 1998 Service Manual

ABS ITT Mk 20 IE On Board Diagnostic (OBD) program
V.A.G - On Board Diagnostic
1 - Rapid data transfer1)
2 - Blink code output1)
HELP
V.A.G 1551 Scan Tool, connecting and
selecting function
Note:
All functions which could previously be
performed with V.A.G 1551 can also be
performed with the new tester VAS 5051.
The ABS function is switched off in the control
module during the On Board Diagnostic (OBD).
The Diagnostic Trouble Code (DTC) memory
can be erased after successful checking and
repair.
- Pull cover -1- off in direction of arrow.
- With ignition switched off connect V.A.G 1551
using cable V.A.G 1551/3(A) to Data Link
Connector
Connecting VAS 5051

Indicated on display

1)
Is displayed alternately
Note:
If there is no indication on display, check DLC,
Electrical checks Page 01-102
and 15.
Depending on the program, additional operating
information can be printed out by pressing the
HELP key of V.A.G 1551.
The key is used for moving forward within
the program.
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, test steps 14