Volkswagen Passat 1995 Official Factory Repair Manual page 1172

Multiport fuel injection and ignition system
Rapid data transfer
Select function XX
Read Measuring Value Block
Input display group number XXX
Read Measuring Value Block
1 2
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HELP
HELP
10
3 4
Ignition timing, checking
Special tools, testers and auxiliary items
VAG 1551/1552 scan tool with VAG 1551/3
adapter cable
Test conditions
Electrical consumers switched off (radiator
coolant fan must not run during the check)
Air conditioner switched off
Test sequence
- Connect VAG 1551 scan tool ((VAG 1552) and
select "Engine Electronics" address word 01
Page 01-7 . Engine must be running at idle
speed.
Indicated on display
- Press buttons -0- and -8- to select "Read
Measuring Value Block" function 08 and press -
Q- button to confirm input.
Indicated on display
- Press buttons -0-, -1- and -0- to input display
group 010 and press -Q- button to confirm input.
Indicated on display (1-4
- Check measured values for ignition (display
fields 3 and 4).
Page 17 of 37
Display fields)
6/12/2004
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