Service & Repair Manual

01-10
WARNING!
Observe safety precautions Page 01-8 .
Note:
The following description only explains
implementation of On Board Diagnostic using
VAG1551 Scan tool.
When using the VAS5051 tester, observe the
tester's instructions for use
V
.A.G - ON BOARD DIAGNOSTIC HELP
1 - Rapid data transfer 1)
2 - Blink code output 1
)
Indicated on display:
1)
Operating modes 1 and 2 are displayed alternately
Note:
If nothing appears in display:
- Perform troubleshooting procedure after "troubleshooting procedure leak
test":
Electrical Wiring Diagrams, Troubleshooting & Component Locations
binder
Depending on desired function Table "Selectable functions", page
Page 01-14 :
- Switch ignition on.
or
Pa
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nostic
(
OBD
)
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