24-139
Evaporative Emission (EVAP) Canister
Purge Regulator Valve, checking
Required special tools and test equipment
VAG 1551 or VAG 1552 Scan Tool (ST) with
VAG 1551/3 adapter cable
Test conditions
Engine coolant temperature at least 80 C
(176 F)
Function check
- Connect VAG 1551 or VAG 1552 scan tool and
press buttons -0- and -1- to insert "Engine
Electronics" address word 01 (with engine
running at idle) Page 01
-7 .
Rapid data transfer
HELP
Selectin
g function XX
Indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block"
function 08, and press -Q- button to confirm input.
Read Measurin
g Value Block
HELP
Input displa
y group number XXX
Indicated on display
- Press buttons -0-, -7- and -0- to input display group number 70, and
press -Q- button to confirm input.
Pa
ge 4 of 12 Eva
porative Emissions
(EVAP
) system, checkin
g
11/19/2002 htt
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pair&id=AUDI.B5.FU02.24.4
