01-62
Readiness code, generating
Required special tools and test equipment
VAG 1551 Scan Tool (ST) with adapter cable
VAG 1551/3
Test requirements
No malfunctions stored in DTC memory
Engine not stopped (ignition not switched off)
during the test
Vehicle not moving
All electrical consumers switched off (coolant
fan must not run during test)
Test sequence
- Connect VAG 1551/ VAG 1552 Scan Tool (ST)
and press buttons -0- and -1- to insert "Engine
Electronics" address word 01 (with ignition
switched on) Page 01
-7 .
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01-78
Note:
If display field 4 changes from "Test ON" to "Test
OFF" and "Abort" appears in display field 2,
repeat the diagnosis of fuel tank leak detection.
Repeating the diagnosis can take up to approx.
60 seconds until the display changes from "Test
OFF" to "Test ON"in display field 4.
Diagnosis conditions for fuel tank leak detection:
Intake Air Temperature (IAT) must be less than
90 C (194 F) Display group 4, display field
4
Engine Coolant Temperature (ECT) must be
less than 95 C (203 F) Display group 4,
display field 3
Throttle valve angle must be smaller than 10
Display group 3, display field 3
If "SYST. n. OK" is indicated in display field 4:
- Check DTC memory Page 01
-15
.
If the specified value "SYST. OK" is indicated in
display field 4:
-
Press button to advance program
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